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Journal articles on the topic 'DIGITAL SYSTEM DESIGN TEST AND VERIFICATION'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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1

Wei, Chi Pin, Zhao Lin Li, Hao Liu, and Zhi Xiang Chen. "Design of a Random Test Platform for DSP Serials Used in Embedded Systems." Advanced Materials Research 267 (June 2011): 98–103. http://dx.doi.org/10.4028/www.scientific.net/amr.267.98.

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Embedded systems with digital signal processor (DSP) become more and more popular for the increasing requirement of supercomputing these days. Efficient development of DSP serials used in embedded systems shortens the embedded system R&D cycle. Functional verification is one of the most complex and expensive tasks during DSP serials design process. A random test platform which is urged for DSP serials verification is proposed in this paper. The platform can automatically generate the random test program. The platform also realized the recording and checking of simulation results, which mak

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Sandi, Anuradha. "VERIFICATION OF CARRY LOOK AHEAD ADDER USING CONSTRAINED RANDOMIZED LAYERED TEST BENCH." International Journal of Engineering Technologies and Management Research 6, no. 6 (2020): 40–50. http://dx.doi.org/10.29121/ijetmr.v6.i6.2019.392.

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In processors and in digital circuit designs, adder is an important component. As a result, adder is the main area of research in VLSI system design for improving the performance of a digital system. The performance depends on power consumption and delay. Adders are not only used for arithmetic operations, but also for calculating addresses and indices. In digital design we have half adder and full adder, by using these adders we can implement ripple carry adder (RCA). RCA is used to perform any number of additions. In this RCA is serial adder and it has propagation delay problem. With increas

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Dr., Anuradha M. Sandi. "VERIFICATION OF CARRY LOOK AHEAD ADDER USING CONSTRAINED RANDOMIZED LAYERED TEST BENCH." International Journal of Engineering Technologies and Management Research 6, no. 6 (2019): 40–50. https://doi.org/10.5281/zenodo.3245207.

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In processors and in digital circuit designs, adder is an important component. As a result, adder is the main area of research in VLSI system design for improving the performance of a digital system. The performance depends on power consumption and delay. Adders are not only used for arithmetic operations, but also for calculating addresses and indices. In digital design we have half adder and full adder, by using these adders we can implement ripple carry adder (RCA). RCA is used to perform any number of additions. In this RCA is serial adder and it has propagation delay problem. With increas

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Sharma, N., P. Kumar, N. Singh, and U. Mehta. "Digital energy monitor: design, simulations and prototype." South Pacific Journal of Natural and Applied Sciences 35, no. 2 (2017): 45. http://dx.doi.org/10.1071/sp17005.

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This paper demonstrates the design and implementation of a GSM based digital energy monitoring device. Firstly fuzzy based model is developed to replicate the characteristic of current and voltage sensors. The entire system is also studied and simulated in terms of utility side supply, load, microcontroller digitization and GSM communication. A virtual data sharing technic is also studied for the proposed system using state flow logic. A prototype system is verified real-time with its test and verification phase results. In this work, remote monitoring of electricity has been made easier for t

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Chen, Fu Long, Zhao Xia Zhu, and Xiao Ya Fan. "FPGA-Based In-Circuit Verification of Digital Systems." Advanced Materials Research 187 (February 2011): 362–67. http://dx.doi.org/10.4028/www.scientific.net/amr.187.362.

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In general hardware designers design integrated circuit with hardware description languages or schematic diagram. However the growth of circuit complexity makes circuit design error prone and time consuming. The resulting descriptions tend to be lengthy and hard to reason about. Therefore functional simulation, timing simulation and in-circuit test are three essential steps to ensure that the designed circuit is correct. This paper presents a method of in-circuit verification on FPGA using UART communication between the computer and the FPGA board. Through UART, designers can convert the paral

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Zhang, Xu, Zhiguang Deng, Jun Li, Youwei Yang, Quan Ma, and Mingming Liu. "Design and Verification of Reactor Power Control Based on Stepped Dynamic Matrix Controller." Science and Technology of Nuclear Installations 2019 (November 3, 2019): 1–11. http://dx.doi.org/10.1155/2019/4973120.

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As key equipment in nuclear power plant, the reactor power control system is adopted to strictly control and regulate the reactor power of a PWR (pressurized water reactor) in a nuclear power plant. A well-optimized predictive control algorithm based on SDMC (stepped dynamic matrix controller) is developed and introduced in this paper and applied to the power regulation of a reactor power model. In addition, the test and verification of this application is conducted by two different methods and devices: the virtual verification platform and the physical DCS (digital control system). The result

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Krebs, Andreas, and Jürgen Ruf. "Optimized Temporal Logic Compilation." JUCS - Journal of Universal Computer Science 9, no. (2) (2003): 120–37. https://doi.org/10.3217/jucs-009-02-0120.

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Verification and validation are the major tasks during the design of digital hardware/software systems. Often more than 70% of the development time is spent for locating and correcting errors in the design. Therefore, many techniques have been developed to support the debugging process. Recently, simulation and test methods have been accompanied by formal methods such as equivalence checking and property checking. However, their industrial applicability is currently restricted to small or medium sized designs or to a specific phase in the design process. Therefore, simulation is still the most

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Sun, Peng, Qi Shao, Ying Yu Liu, and Wei Ping Chen. "A New Method of Design and Verification of Digital Silicon Gyroscopes Closed-Loop Driving System Based on MicroBlaze." Key Engineering Materials 645-646 (May 2015): 771–76. http://dx.doi.org/10.4028/www.scientific.net/kem.645-646.771.

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The article brings out a digital silicon gyroscopes closed-loop driving system using the phase relationship of the input driving signal and the signal of the forced motion of the mass block in sensor structure based on analyzing the working principle and phase characters of digital silicon gyroscopes. We make a low-cost, simple and high precision measurement technique for resonant frequency of silicon micro-machinery gyroscopes by the whole digital locked loop system designed with MicroBlaze method. Dichotomy and Fourier transform spectrometry method constitute the algorithm of the system and

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Ramirez, Clara, and Amy Thompson. "Verification and Validation Test Framework Using a Model‐Based Systems Engineering Approach." INCOSE International Symposium 33, no. 1 (2023): 1091–116. http://dx.doi.org/10.1002/iis2.13072.

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AbstractThis paper describes a test framework for verification and validation (V&V) planning and execution using a model‐based system engineering (MBSE) approach that is suitable for large‐scale cyber‐physical systems. The test framework (TF) is defined using the systems modeling language (SysML) and an MBSE tool and describes and links to external test plans, test procedures, and other relevant test documents. This test framework approach includes the following considerations: level of abstraction of systems for testing, multiple types of testing across the development lifecycle, design v

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Wang, Jianyuan, Zhuochen Hu, Jinbao Chen, Jian Wang, and Yiling Zhou. "Design and Signal-Decoding Test Verification of Dual-Channel Round Inductosyn Decoding Circuit." Applied Sciences 14, no. 21 (2024): 9801. http://dx.doi.org/10.3390/app14219801.

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During the in-orbit operation of spacecraft, permanent magnet synchronous motors are commonly used as power sources in the drive mechanisms of solar panel arrays and the high-precision servo control systems based on satellites. Apart from the performance of the motors themselves and the software control algorithms, the accuracy of the entire control system is also influenced by angle sensors used to detect the rotor position of the motors. As a high-precision angular measuring instrument, the inductosyn possesses excellent environmental adaptability and long service life. Effectively utilizing

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Huang, Zhichen, Qiangsheng Liu, Liang Chen, Yingjie Ke, Xiongdong Huang, and Xinghui Zhang. "Consistency and repeatability verification for vehicle in the loop test platform based on digital twin of proving ground." Journal of Physics: Conference Series 2815, no. 1 (2024): 012041. http://dx.doi.org/10.1088/1742-6596/2815/1/012041.

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Abstract A high-confidence vehicle-in-the-loop test method based on the digital twin of proving ground (DTPG-VIL) is proposed for the test of autonomous driving vehicles. The overall architectural design of the DTPG-VIL and the corresponding components are introduced, with a focus on describing the scene simulation system based on the digital twin of the proving ground. A King Long intelligent driving sightseeing bus for test verification is introduced, and its positioning performance is verified by the high-definition positioning base station and GPS/INS combined navigation system to verify t

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Rakic, Aleksandar, Sasa Zivanovic, Zoran Dimic, and Mladen Knezevic. "Digital twin control of multi-axis wood CNC machining center based on LinuxCNC." BioResources 16, no. 1 (2020): 1115–30. http://dx.doi.org/10.15376/biores.16.1.1115-1130.

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This paper presents an application of an open architecture control system implemented on a multi-axis wood computer numerical control milling machining center, as a digital twin control. The development of the digital twin control system was motivated by research and educational requirements, especially in the field of configuring a new control system by “virtual commissioning”, enabling the validation of the developed controls, program verification, and analysis of the machining process and monitoring. The considered wood computer numerical control (CNC) machining system is supported by an eq

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Zhu, Pengcheng, and Haojie Li. "Design of Aeronautical Digital Video and Communication Bus Processing System." Journal of Physics: Conference Series 2252, no. 1 (2022): 012044. http://dx.doi.org/10.1088/1742-6596/2252/1/012044.

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Abstract With the development of avionics systems, Avionics Digital Video Bus (ARINC 818) and Digital Information Transmission System (Arinc429) have become a new generation of aviation video transmission and communication bus standard respectively. Aiming at the characteristics of ARINC 818 and Arinc429, an aeronautical digital video and communication bus processing system is designed. First, the ARINC 818 aviation video transmission bus and the Arinc429 communication bus standard are introduced. Then, the design principles of the aeronautical digital video and communication bus processing sy

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Zhu, Pengcheng, and Haojie Li. "Design of Aeronautical Digital Video and Communication Bus Processing System." Journal of Physics: Conference Series 2252, no. 1 (2022): 012044. http://dx.doi.org/10.1088/1742-6596/2252/1/012044.

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Abstract With the development of avionics systems, Avionics Digital Video Bus (ARINC 818) and Digital Information Transmission System (Arinc429) have become a new generation of aviation video transmission and communication bus standard respectively. Aiming at the characteristics of ARINC 818 and Arinc429, an aeronautical digital video and communication bus processing system is designed. First, the ARINC 818 aviation video transmission bus and the Arinc429 communication bus standard are introduced. Then, the design principles of the aeronautical digital video and communication bus processing sy

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Wang, Zhe, Binwen Wang, Rui Bao, Tiesong Zhang, and Xiangming Chen. "Design and experimental verification of composite stiffened panel under combined compression-shear loads." Journal of Physics: Conference Series 2882, no. 1 (2024): 012028. http://dx.doi.org/10.1088/1742-6596/2882/1/012028.

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Abstract As an important part of the aircraft, the panel structure accounts for a large proportion of the building block verification system. The real stress state of the aircraft panel is usually not a uniaxial compression or shear, but a combined loading condition in service. In the past, box structure was usually tested for structure selection in the aircraft’s preliminary design phase, which was limited by immature panel test methods and equipment. At present, a general panel test system considering the actual load form and boundary conditions was independently developed by the Aircraft St

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Researcher. "BEST PRACTICES IN UVM VERIFICATION: ENSURING ROBUST AND EFFICIENT DESIGN VALIDATION." International Journal of Computer Engineering and Technology (IJCET) 15, no. 6 (2024): 226–34. https://doi.org/10.5281/zenodo.14055777.

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This article presents a comprehensive exploration of best practices in Universal Verification Methodology (UVM) for ensuring robust and efficient design validation in complex digital systems. We begin by examining the foundational principles of UVM, including its key components such as agents, sequencers, and drivers, and emphasize the importance of modular architecture and reusability. The article then delves into practical strategies for testbench design, covering configuration databases, factory patterns, and transaction-level modeling. We provide in-depth insights into test planning, cover

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Liu, Yongqing, Te Wang, Risheng Yun, et al. "Analysis of Onboard Verification Flight Test for the Salinity Satellite Scatterometer." Sensors 23, no. 21 (2023): 8846. http://dx.doi.org/10.3390/s23218846.

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The upcoming Salinity Satellite, scheduled for launch in 2024, will feature the world’s first phased array radar scatterometer. To validate its capability in measuring ocean surface backscatter coefficients, this paper conducts an in-depth analysis of the onboard verification flight test for the Salinity Satellite scatterometer. This paper provides a detailed introduction to the system design of the Salinity Satellite scatterometer, which utilizes phased array radar technology and digital beamforming techniques to achieve accurate measurements of sea surface scattering characteristics. The pap

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Cheng, Yongsheng. "Research on FPGA Functional Reliability based on Petri Net." Journal of Physics: Conference Series 2457, no. 1 (2023): 012004. http://dx.doi.org/10.1088/1742-6596/2457/1/012004.

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Abstract Engineering reliability ground verification for space FPGA devices is one of the important aspects of space load digital system design. At present, there are three methods: code correctness verification, system functional test, and formal verification. Based on the Petri Net theory, this paper proposes a macroscopic and accurate description of the functional characteristics of FPGA engineering with the functional module as the granularity and the control variable as the core. On this basis, combined with the state-reachability graph theory, functional execution reliability is proposed

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Pavlović, Milija, Stefan Panić, Boris Damjanović, and Negovan Stamenković. "An application of residue number system arithmetics to secure hash functions design." Bulletin of Natural Sciences Research, no. 00 (2025): 20. https://doi.org/10.5937/bnsr15-58114.

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This paper presents a cryptographic hash function based on the Residue Number System (RNS), designed to enhance security and computational efficiency. The function leverages the parallelism and modular properties of RNS to achieve high-speed processing while maintaining strong diffusion and resistance to various cryptanalytic attacks. Experimental results confirm that the proposed function exhibits a pronounced Avalanche effect, ensuring that minor changes in the input result in significant alterations in the hash output. Additionally, statistical analysis using the ENT test demonstrates a hig

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Hudson, Jeffrey A., Aernout Oudenhuijzen, and Gregory F. Zehner. "Digital Human Modelling Systems: A Procedure for Verification and Validation Using the F-16 Crew Station." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 44, no. 38 (2000): 723–26. http://dx.doi.org/10.1177/154193120004403810.

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Digital Human Modelling Systems (HMS's) are considered a basic element in the cockpit design process. Their bio-fidelity has yet to be fully demonstrated, however. Currently, a joint project, undertaken by the Air Force Research Lab (AFRL/HECP) and the Netherlands (TNO HFRI), is addressing this issue. This effort will help improve methods for controlling and assuring anthropometric accommodation of crew systems in military aircraft. A verification and validation procedure is being developed as a part of this project and has been implemented for several commercially available HMS's. The two pha

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Song, Jinwoo, Sanghyeon Park, Kyuhyup Lee, et al. "Augmented Reality-Based BIM Data Compatibility Verification Method for FAB Digital Twin implementation." Buildings 13, no. 11 (2023): 2683. http://dx.doi.org/10.3390/buildings13112683.

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With the advancement of state-of-the-art technologies, the semiconductor industry plays a key role as an essential component in the manufacture of various electronic products. Since the manufacturing of a semiconductor goes through very sophisticated and complex processes, efficient and accurate work and management are essential in the design, construction, and operation stages of the semiconductor fabrication (FAB) plant. Recently, the combined application of building information modeling (BIM) and augmented reality (AR) technology has gained increased attention in this semiconductor FAB indu

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Loginovskiy, O. V., D. V. Topolskii, N. D. Topolskii, A. E. Beliakov, and V. A. Beliakova. "Development of a digital twin of the control system test bench for digital instrument transformers." Bulletin of the South Ural State University. Ser. Computer Technologies, Automatic Control & Radioelectronics 24, no. 3 (2024): 5–15. http://dx.doi.org/10.14529/ctcr240301.

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The presented work considers the option of implementing a digital twin of a test bench control system for digital instrument transformers using a universal SCADA system. The basis of the design of the test bench is a hydraulic servo drive using hydrostatic guides. Digital instrument transformers must have a service life of at least 25 years, a verification interval of 8 years or more. To achieve such high performance characteristics, a large number of tests are required for such products. In particular, to check the reliability of operation of this class of devices, it is necessary to conduct

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Wen-xing, HE, and CHEN Chang-yu. "Research of Spacecraft Assembly Simulation with Ground Mechanical Equipments." MATEC Web of Conferences 179 (2018): 03017. http://dx.doi.org/10.1051/matecconf/201817903017.

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In order to overcome the shortcomings of the physical test conditions, research and development of the spacecraft container simulation verification platform to enhance the level of digital development of the spacecraft container. Based on the theory of rigid-flexible coupling dynamics, the dynamic model of the box system is established. The dynamic external excitation is determined by obtaining the track spectrum and identifying the condition of the line. Based on the computational fluid dynamics, the thermal model of the spacecraft container is established, and the container is realized by si

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Pahlevi, Nurfachrial Isnan, and Amelia Putri. "RANCANG BANGUN APLIKASI SURAT PERINTAH PERJALANAN DINAS (SPPD) BERBASIS WEB." Jurnal Rekavasi 13, no. 1 (2025): 18–24. https://doi.org/10.34151/rekavasi.v13i1.5198.

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Digital transformation in corporate administration plays a crucial role in enhancing efficiency and accuracy in document management. This study develops a web-based system to automate the management of official travel orders (SPPD) at PT. XYZ using the Waterfall model, which includes requirements analysis, system design with a three-tier architecture and normalized database, and implementation using Laravel, React.js, and MySQL. The system's reliability was evaluated through black-box testing. The developed system integrates automated SPPD submission, hierarchical approval workflows, and budge

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Насырова, Э. Ф., and В. А. Варнакова. "Pedagogical conditions for forming digital design skills among students in Pedagogical education." Severny region: nauka, obrazovanie, cultura 25, no. 3 (2024): 24–30. https://doi.org/10.35266/2949-3463-2024-3-2.

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The relevance of the article is determined by the most important task of the system of higher professional education, that is the training of future teachers at a qualitatively new level. The main aspects of solving this problem involve developing an active creative personality and abilities that enable one to independently identify and solve complex problems extending beyond standard situations, design and construct complex objects and systems, and consciously evaluate the results of their professional activities. The purpose of the article is to theoretically substantiate and test the pedago

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Moon, Sangook, and Jongsu Park. "System Level Design of Reconfigurable Server Farms Using Elliptic Curve Cryptography Processor Engines." Journal of Applied Mathematics 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/390176.

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As today’s hardware architecture becomes more and more complicated, it is getting harder to modify or improve the microarchitecture of a design in register transfer level (RTL). Consequently, traditional methods we have used to develop a design are not capable of coping with complex designs. In this paper, we suggest a way of designing complex digital logic circuits with a soft and advanced type of SystemVerilog at an electronic system level. We apply the concept of design-and-reuse with a high level of abstraction to implement elliptic curve crypto-processor server farms. With the concept of

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Kersten, T. P., D. Stallmann, and F. Tschirschwitz. "DEVELOPMENT OF A NEW LOW-COST INDOOR MAPPING SYSTEM – SYSTEM DESIGN, SYSTEM CALIBRATION AND FIRST RESULTS." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLI-B5 (June 15, 2016): 55–62. http://dx.doi.org/10.5194/isprs-archives-xli-b5-55-2016.

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For mapping of building interiors various 2D and 3D indoor surveying systems are available today. These systems essentially differ from each other by price and accuracy as well as by the effort required for fieldwork and post-processing. The Laboratory for Photogrammetry & Laser Scanning of HafenCity University (HCU) Hamburg has developed, as part of an industrial project, a lowcost indoor mapping system, which enables systematic inventory mapping of interior facilities with low staffing requirements and reduced, measurable expenditure of time and effort. The modelling and evaluation of th

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Tokhi, M. O., and M. A. Hossain. "Self-Tuning Active Vibration Control in Flexible Beam Structures." Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 208, no. 4 (1994): 263–78. http://dx.doi.org/10.1243/pime_proc_1994_208_339_02.

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This paper presents the design and performance evaluation of an adaptive active control mechanism for vibration suppression inflexible beam structures. A cantilever beam system in transverse vibration is considered. First-order central finite difference methods are used to study the behaviour of the beam and develop a suitable test and verification platform. An active vibration control algorithm is developed within an adaptive control framework for broadband cancellation of vibration along the beam using a single-input multi-output (SIMO) control structure. The algorithm is implemented on a di

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Patil, Girish, Kartik Nillawar, Mohit Khatri, Sachin Shetkar, and Snehal Shinde. "Smart Way for Prescribing Medication." International Journal for Research in Applied Science and Engineering Technology 11, no. 5 (2023): 6795–800. http://dx.doi.org/10.22214/ijraset.2023.53317.

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Abstract: This research addresses the implementation of digital signature technique for electronic prescription to prevent cybercrime problem such as robbery, modification and unauthorized access. In this research, RSA 2048-bit algorithm will be implemented in Java programming and android based system. Secure Electronic Prescription (SEP) application design is intended to combine given services, such as confidentiality, authentication, and non-repudiation. Cryptography is used to ensure the prescription file and QR-Code for detailed information on the prescription that have been given only for

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Shen, Yi, and Sixian Sun. "Design of International Chinese Education Promotion Platform Based on Artificial Intelligence and Facial Recognition Technology." Computational Intelligence and Neuroscience 2022 (July 13, 2022): 1–11. http://dx.doi.org/10.1155/2022/6424984.

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With the continuous development of today’s society, digital image processing technology has been applied in more and more fields, among which authentication in digital image processing technology has become a hot field. In the process of identity verification, the face is used as the basis of feature recognition because the method of using the face as a feature basis is more easily accepted by the public and the operation is simple and the feasibility is stronger. In the online education model, observing and comparing students’ facial emotions through the platform and analyzing students’ learn

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Sayudzi, Mohd Faris Izzwan Mohd, Irni Hamiza Hamzah, Azman Ab Malik, et al. "FPGA in hardware description language based digital clock alarm system with 24-hr format." International Journal of Reconfigurable and Embedded Systems (IJRES) 13, no. 2 (2024): 244. http://dx.doi.org/10.11591/ijres.v13.i2.pp244-252.

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Currently, digital clock adapts microprocessor or microcontroller system. Performance of speed and reconfigurability issue become a main concern in digital clocks. New additional feature may be introduced in digital clocks in the future. Field programmable gate array (FPGA) offer better performance of speed and reconfiguration features. Based on these advantages, it is essential to study or explore the digital clock with FPGA design. The objective in this study is to create a hardware description language (HDL)- based digital clock with alarm system and implement it onto the Altera DE2- 115 bo

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Yin, Ziming, Yunyu Wei, and Kuo Wang. "High-Speed Bandwidth Acquisition System Based on Intermediate Frequency Signal Processing." Scientific and Social Research 7, no. 3 (2025): 57–64. https://doi.org/10.26689/ssr.v7i3.10014.

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In the high-speed bandwidth acquisition and playback system, due to the current hardware conditions, it is impossible to directly sample the signal at the RF end. Therefore, first complete the down-conversion in the RF module, reduce the signal to the intermediate frequency, and then realize the digitization of the intermediate frequency signal. In response to this problem, a field programmable logic array chip (FPGA) and AD9680 were selected to process the intermediate frequency signal. Use AD9680 to collect the mid-band pass signal with a center frequency of 750 MHz and a bandwidth of 400 MH

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Bai, Zhuo, Bangchu Zhang, Mingli Song, and Zhong Tian. "Rapid Integrated Design Verification of Vertical Take-Off and Landing UAVs Based on Modified Model-Based Systems Engineering." Drones 8, no. 12 (2024): 755. https://doi.org/10.3390/drones8120755.

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Unmanned Aerial Vehicle (UAV) development has garnered significant attention, yet one of the major challenges in the field is how to rapidly iterate the overall design scheme of UAVs to meet actual needs, thereby shortening development cycles and reducing costs. This study integrates a “Decision Support System” and “Live Virtual Construct (LVC) environment” into the existing Model-Based Systems Engineering framework, proposing a Modified Model-Based Systems Engineering methodology for the full-process development of UAVs. By constructing a decision support system and a hybrid reality space—whi

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Karpov, Artem, Maksim Kustov, Ruslan Korniienko, Oleksandr Ivanenko, and Dariya Sharipova. "Experimental verification of the electromagnetic method of detecting explosive objects." Problems of Emergency Situations, no. 41 (May 27, 2025): 50–61. https://doi.org/10.52363/2524-0226-2025-41-3.

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A detailed functional diagram of an electromagnetic explosive detector based on a high-performance digital processor of the Blackfin type has been developed. The hardware part of this detector includes a radiating antenna that generates electromagnetic waves and a receiving antenna that registers the reflected signal. It also includes a signal amplification unit, an automatic gain control system that ensures signal stability under changing environmental conditions, digital-to-analog and analog-to-digital converters for processing signals in digital form, and a timing unit that synchronizes all

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Georgieva, Diyana. "Signmatics: An Interactive Digital Based System for Multimodal Learning of Hearing Students in Bulgarian Sign Language." International Journal of Cognitive Research in Science, Engineering and Education 13, no. 1 (2025): 117–25. https://doi.org/10.23947/2334-8496-2025-13-1-117-125.

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The proposed scientific text describes an experimental study, the purpose of which is prioritized to test an interactive digitally based system Signmatics for mastering linguistic content in Bulgarian Sign Language (BGSL) by students who study it as a second language (E2). The formed sample includes 62 participants –- students studying in a bachelor’s program in the specialty of Special Education. The study uses a quasi-experimental design of non-equivalent groups: an experimental group of 30 students (48.39%) which was subjected to the digitally based intervention and a control group of 32 st

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Dellia, Prita, Sigit Dwi Saputro, Rofik Faisal, and Lailatul Rosidah. "Empowering student readers: Digital library development and literacy enhancement." BIO Web of Conferences 146 (2024): 01056. http://dx.doi.org/10.1051/bioconf/202414601056.

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Increasing literacy skills among students through the use of digital technology is increasingly urgent. This is shown by the low reading literacy condition of Darul Mustofa Vocational School students. The contribution of this research is to develop digital libraries to increase students' reading literacy interest in schools and increase the role of digital libraries more effectively. This study is research into digital library development using the waterfall method. This method has seven stages: problem definition, analysis, design, development, testing, implementation, and maintenance. This m

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Ćwikła, Grzegorz, and Mirosław Szewczyk. "Station for Tuning and Testing Digital Twin in Hydraulic Actuator Control Systems under Programmable Load—Methodology, Design, and Tests." Electronics 13, no. 17 (2024): 3528. http://dx.doi.org/10.3390/electronics13173528.

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This article presents the methodology and process of the modeling, designing, and testing of a research station enabling the identification, tuning, and verification of Digital Twin (DT) in control systems in power hydraulics. The concept of the station is presented, the main part of which is a subsystem forcing a dynamic, variable load using a hydraulic actuator controlled by a proportional valve, together with data acquisition and processing systems and software. The load application subsystem can subject the tested power hydraulic system, usually consisting of an actuator with its own contr

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Hendrawan, Andra Putra, Esti Wijayanti, and Ahmad Abdul Chamid. "Design of an Exam Cheating Detection System Application Based on Machine Learning with the Computer Vision Method." Jurnal Teknologi Informatika dan Komputer 11, no. 2 (2025): 509–21. https://doi.org/10.37012/jtik.v11i2.2704.

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Exam cheating is a persistent problem facing educational institutions worldwide. This cheating not only harms honest students but also undermines the integrity of the education system. In today's digital age, various forms of cheating are increasingly difficult to detect using manual proctoring methods. For example, test takers can use hidden technological devices or engage in non-verbal communication that is difficult for human proctors to detect. This suggests that traditional proctoring is less effective in addressing increasingly sophisticated cheating. Abstract Exam cheating is a serious

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Hani'atul Khoiroh. "DAMPAK PEMBELAJARAN KITAB AYYUHA AL-WALAD TERHADAP PEMBENTUKAN KARAKTER HOLISTIK INDIVIDU PADA MASYARAKAT DIGITAL." MIYAH : Jurnal Studi Islam 21, no. 01 (2025): 189–214. https://doi.org/10.33754/miyah.v21i01.1502.

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The purpose of this study is to determine the learning process of the Ayyuha al-Walad book on the formation of individual holistic character in digital society and how much impact it has. The approach used in this research is mixed method with Sequential Exploratory research design. The data collection technique uses interviews, observation, documentation and questionnaires. The data analysis is divided into two. First, qualitative analysis with the Miles and Huberman model by means of data reduction, data display and conclution drawing/verification. Second, quantitative analysis with simple l

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Szplet, Ryszard, and Arkadiusz Czuba. "Two-Stage Clock-Free Time-to-Digital Converter Based on Vernier and Tapped Delay Lines in FPGA Device." Electronics 10, no. 18 (2021): 2190. http://dx.doi.org/10.3390/electronics10182190.

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This article presents an idea, design and test results of a new time-to-digital converter (TDC) implemented in an FPGA device. The high resolution of 13 ps and measurement range of 3.4 ns are achieved based on a two-stage time interpolation (TI). In the first and second stages of the TI we have used the Vernier delay line and a single tapped delay line, respectively. This solution provides respectable metrological parameters without the need to use a clock signal, and significantly saves the logical resources of an integrated circuit (IC). The proposed method, generally based on two different

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Chen, Shuailin, Hui Nie, Jinyu Chen, Yuanjie Dang, Zhaoming Zhang, and Haowen Lang. "Fast Implementation of Image Preprocessing for SAR Scene Matching Guidance." Journal of Physics: Conference Series 2891, no. 3 (2024): 032027. https://doi.org/10.1088/1742-6596/2891/3/032027.

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Abstract The design of SAR scene matching guidance scheme and the hardware allocation of algorithm module are discussed in this paper. Aiming at the requirement of SAR image preprocessing module, a fast robust feature extraction preprocessing method based on FPGA is designed, and the fast implementation of Gabor filter and wavelet transform is completed. Through the hardware-in-the-loop simulation module test and experimental verification, the FPGA-based pre-processing fast implementation is about 60 times shorter than the DSP processing time, and the results of FPGA, DSP and digital simulatio

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Fatimah, Siti. "E-Training Course Test Apps as a Media for Measuring Students' Academic Abilities." Journal of Computer Science Application and Engineering (JOSAPEN) 1, no. 1 (2023): 17–22. https://doi.org/10.70356/josapen.v1i1.9.

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This study introduces an E-Training application developed to overcome limitations in traditional classroom settings where time constraints and delayed material delivery hinder student development. E-Training, utilizing information technology in education, responds to the evolving landscape of technological advancements and the global need for IT-based teaching concepts. The implementation of this system follows the prototype model, emphasizing iterative development stages, enhancing understanding, reducing risks, and ensuring cost-effective solutions. The research outlines the comprehensive de

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Anthony, Dicky, Ulfatun Nisa, Aminudin Muhibbullah, Muhamad Ahdi Nur Fikri, Excel Ervina Desty, and Mutiara Nabila Adharin. "Pengembangan Platform Kelayo dengan Metode Design Thinking untuk Meningkatkan Pengalaman Wisata." Journal of Information System Research (JOSH) 6, no. 1 (2024): 575–84. https://doi.org/10.47065/josh.v6i1.6072.

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Kelayo platform was developed to address common problems faced by tourists in Yogyakarta, such as the difficulty of obtaining complete and reliable information about tourist destinations, as well as the risk of fraud from unverified services. This research aims to enhance the tourist experience by providing a digital solution that integrates accommodation, transportation, and tour guide services into a single platform. The methodology used is Design Thinking, which includes the stages of Empathize, Define, Ideate, Prototype, and Test. Research data were collected through observations and inter

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Chen, Junxian, Jianhai Zhang, and Hongwei Zhao. "Development and Experimental Verification of a High-Temperature and In-Plane Biaxial Testing Apparatus." Machines 10, no. 11 (2022): 1054. http://dx.doi.org/10.3390/machines10111054.

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Given the lack of primary data on heat-resistant composites under high-temperature conditions, the focus of this paper is the development of an in-plane biaxial apparatus under high temperatures and complex loads. Besides loading complex loads up to 80 kN, the apparatus can load under high-temperatures up to 2500 °C. A C/C tensile/compression test at 1700 °C illustrates the successful use of high-temperature digital speckle pattern technology to evaluate the in-plane mechanical properties of heat-resistant composites at 1700 °C under biaxial stress. A high-temperature impact test of a graphite

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Guo, Zhongjie, Yangle Wang, Ruiming Xu, and Ningmei Yu. "High-Speed Fully Differential Two-Step ADC Design Method for CMOS Image Sensor." Sensors 23, no. 2 (2023): 595. http://dx.doi.org/10.3390/s23020595.

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The application requirements of high frame rate CMOS image sensors (CIS) in the industry have not been satisfied due to the speed limitations in traditional single-slope and serial two-step analog-to-digital converters (ADCs). In this paper, a high-speed fully differential two-step ADC design method for CIS was proposed. The proposed method was based on differential ramp and time-to-digital conversion (TDC) technology. A parallel conversion mode was formed that is different from serial conversion, and the robustness of the system was ensured due to the existence of differential ramps. Aiming a

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wang, Huan. "Construction and Application of a New Metal Random Matrix-Based Theory in a Numerical Phantom of the Metaverse NFT." Mathematical Problems in Engineering 2022 (September 9, 2022): 1–7. http://dx.doi.org/10.1155/2022/3429528.

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As the metaverse is hot, nonhomogenized tokens (NFT) as digital artwork identifiers present different characteristics and application values from other homogenized tokens, and their use for copyright verification will suffer from the problems of storage space limitation and data verification reliance on database, this study designs an NFT digital copyright authentication model for textual works. To cater for the uncontrollability of conventional Hash algorithms in stream matching due to the high conflict rate, a new random matrix theory is applied to propose a new Hash algorithm, which is used

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Irwanto, Irwanto, Bagus Dwi Cahyono, and Juanda Mitra Situmeang. "Development of Macromedia Flash 8-Based Learning Media in Simulation and Digital Communication Subjects in Vocational High School." Jurnal Pembelajaran Fisika 10, no. 2 (2019): 207–18. http://dx.doi.org/10.23960/jpf.v10.n2.202205.

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Vocational education has a real goal, which is to prepare students to enter the world of work. The aims of this study were (1) to find out the planning stages of Macromedia flash-based learning media, and (2) to find out the feasibility of Macromedia flash-based learning media in simulation and digital communication subjects in vocational schools. This type of research is developed with the model used the V model or commonly called the verification and validation model. The system development process includes requirements analysis, requirements standards, design specifications, and program spe

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Xin, Chang, Zang Bo, Wang Yang, Xu Wenhao, and Liu Kuang. "Application of Intelligent Inspection Units in Improving the Safety of Large Thermal Test Systems." Journal of Physics: Conference Series 2460, no. 1 (2023): 012172. http://dx.doi.org/10.1088/1742-6596/2460/1/012172.

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Abstract To ensure the success of space launch, large-scale thermal testing at the ground system level must be conducted for spacecraft products to verify their design, performance and quality. Such tests have the characteristics of high technical difficulty, high safety risks, complex supporting equipment, and long test cycles. So it is of great significance to improve the safety and reliability of large thermal test systems to ensure successful verifications of the spacecrafts. This paper focuses on the application of integrating artificial intelligence technology with the safety of large th

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Han, Jiangxue. "Character Generation Powered by Multimodal Foundation Models: Exploring Semantic Control and Visual Consistency Mechanisms." Applied and Computational Engineering 151, no. 1 (2025): 213–18. https://doi.org/10.54254/2755-2721/2025.23476.

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In this paper, a novel character generation system based on a multi-modal model is developed to achieve precise semantic control through the deep integration of visual features and text description. The system adopts a two-channel data processing architecture, the image generation module relies on a convolutional network to analyze physical features, and the text understanding module uses an attention mechanism to extract character attributes. The innovative design of the semantic matching loss function and the cross-consistency constraint mechanism effectively solves the disconnection problem

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Zhang, Jie, and Jiudong Zheng. "Prototype Verification of Self-Interference Suppression for Constant-Amplitude Full-Duplex Phased Array with Finite Phase Shift." Electronics 11, no. 3 (2022): 295. http://dx.doi.org/10.3390/electronics11030295.

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In view of the strong self-interference problem when the practical phased array system is simultaneously applied for transmission and reception, under the constraints including limited quantization number, constant envelope amplitude, scanning mode, wideband signal mode, etc., this work studies it and proposes the amplitude-phase joint adjustment method and the phase-only method for beamforming optimization. Through digital simulation design, electromagnetic simulation evaluation and principle test verification, under the actual array system conditions, including 6-bit phase quantization or ph

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