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Journal articles on the topic 'Measurement of network parameters'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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1

Rahman, F., A. Kumar, G. Nagendra, and G. S. Gupta. "Network Approach for Physiological Parameters Measurement." IEEE Transactions on Instrumentation and Measurement 54, no. 1 (2005): 337–46. http://dx.doi.org/10.1109/tim.2004.834595.

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2

Li, Xia. "The Parameters Measurement of the Network Performance." Applied Mechanics and Materials 380-384 (August 2013): 850–53. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.850.

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By using active method of injecting test flow data into the network the parameters of throughput, bandwidth, delay jitter, packet loss can be gained, UDP network performance of the single network segment can be tested. According to the measurement results, the network should be properly distributed for the access connection number and allocation of bandwidth for each client to improve the network performance.

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Zhang, Dianjin, Guangyu Zhang, and Longqiu Li. "Calibration of a six-axis parallel manipulator based on BP neural network." Industrial Robot: the international journal of robotics research and application 46, no. 5 (2019): 692–98. http://dx.doi.org/10.1108/ir-12-2018-0248.

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Purpose This paper aims to provide a simple and flexible calibration method of parallel manipulators for improving the position accuracy only using partial pose information. Design/methodology/approach The overall idea of this method is to use BP neural network to fit the relationship between calibration parameters and measurement parameters and then adjust calibration parameters according to measurements. Findings The calibration method significantly improves the position accuracy of the six-axis parallel manipulator. Simulation shows that the accuracy can be improved by increasing the number

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Shahar, L., and G. Even-Tzur. "Extraction of the deterministic ingredient of a dynamic geodetic control network." Journal of Geodetic Science 2, no. 1 (2012): 68–75. http://dx.doi.org/10.2478/v10156-011-0027-6.

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Extraction of the deterministic ingredient of a dynamic geodetic control networkA minimum constraints solution, which resolves the datum defect of a control network, is an arbitrary solution that may result in a systematic error in the estimation of the deformation parameters. This error is not derived from measurements and is usually inconsistent with the geophysical reality. A free network is affected only by errors of measurement and, therefore, a free network is an accepted way of coping with this problem. Study of deformations, which is based on the use of geodetic measurements, is usuall

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Jamróz, Dariusz, Tomasz Niedoba, Paulina Pięta, and Agnieszka Surowiak. "The Use of Neural Networks in Combination with Evolutionary Algorithms to Optimise the Copper Flotation Enrichment Process." Applied Sciences 10, no. 9 (2020): 3119. http://dx.doi.org/10.3390/app10093119.

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The paper presents a way of combining neural networks with evolutionary algorithms in order to find optimal parameters of the copper flotation enrichment process. The neural network was used in order to build a model describing the flotation process. The network learning was carried out with the use of samples from previous empirical measurements of the actual process. The model created in this way made it possible to find optimal parameters not only from among the measurement spaces, but also those that go beyond the measurements. Then, evolutionary algorithms were used in order to find optim

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Zablotskyi, Valentyn, Yosyp Selepyna, Viktor Lyshuk, Natalia Yakymchuk, and Anatolii Tkachuk. "METHOD FOR EVALUATION QUALITY PARAMETERS OF TELECOMMUNICATIONS SERVICES." Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska 12, no. 2 (2022): 30–33. http://dx.doi.org/10.35784/iapgos.2918.

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Currently, cellular networks have become widespread, the operators of which simultaneously use the infrastructure of the second-generation GSM networks, DCS to build third-generation W-CDMA networks that provide broadband multiple access with code division. At the same time, the problem of providing high-speed Internet connections is exacerbated due to the growing volume of data of diverse types transmitted over the Internet. When testing the entire network coverage area, the total number of voice calls increases, so a method of long-term measurement of the bit rate of information transmission

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Bianco, Fernando L., German Naldini, Jose Amado, Santiago Chiale, and Felipe Gonzalez. "Measurement Module S parameters for vector network analyzer." IEEE Latin America Transactions 11, no. 1 (2013): 236–41. http://dx.doi.org/10.1109/tla.2013.6502809.

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Simić, Milan, Peter Planinšič, Dragan Denić, Dušan Gleich, Dragan Živanović, and Marko Malajner. "SOFTWARE BASED EXPERIMENTAL SYSTEM FOR ELECTRICAL POWER QUALITY MEASUREMENT USING THE WIRELESS SENSOR NETWORK MODULES." Facta Universitatis, Series: Automatic Control and Robotics 16, no. 2 (2017): 131. http://dx.doi.org/10.22190/fuacr1702131s.

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Experimental system for measurement of standard electrical power quality (PQ) parameters, based on wireless sensor network (WSN), is presented in this paper. System includes generator of reference voltage waveforms, software application for measurement of standard PQ parameters and two microcontroller based wireless sensor modules for transmitting and receiving of measurement results. Reference voltage signals are provided using signal generator with possibility for simulation of typical network disturbances, presented in some previously published papers. This PQ signal generator is functional

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Tretyak, Kornyliy, and Igor Savchyn. "Posteriori Optimization of Active Geodetic Monitoring Networks." Reports on Geodesy and Geoinformatics 96, no. 1 (2014): 67–77. http://dx.doi.org/10.2478/rgg-2014-0007.

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Abstract This paper presents developed method of a posteriori optimization of measurement results of active geodesic monitoring networks with taking into account the parameters of accuracy and reliability. Filtering the measurement results of active geodetic monitoring networks is in out of order exclusion vectors with maximum corrections, which is determined from successive iterations of network adjustment. After each iteration it’s determined the mean square error of unit weight and the parameter of network reliability. Sifting vectors with maximal errors leads to accuracy improving and reli

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Kerneis, A., A. Déguin, and M. Feinberg. "A colony count model for the control of drinking water distribution systems." Revue des sciences de l'eau 9, no. 2 (2005): 189–205. http://dx.doi.org/10.7202/705248ar.

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The purpose of this study is to select a process control parameter for monitoring microbial regrowth in a network and to develop a more accurate and relevant quality control of supply water. Two parameters were examined as potential process control parameters: the water residence time in the network and the concentration of biodegradable organic matter. Residence time calculations were carried out and validated by tracer studies in a branched network and then in a simply looped network. The measurement of the natural dissolved organic carbon (DOC) consumption in the network was preferred to th

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LIU, ZAIWEN, XIAOYI WANG, and LIFENG CUI. "AN INTELLIGENT SOFT MEASUREMENT METHOD FOR PREDICTING PARAMETERS." International Journal of Information Acquisition 04, no. 01 (2007): 47–56. http://dx.doi.org/10.1142/s0219878907001150.

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An intelligent soft measurement and information processing method for predicting parameters of process control system was proposed. Process neural network (PNN) is a new configuration of artificial neural network put forward in recent years. Some algorithms of PNN were discussed, and these algorithms were based on function orthogonal basis expansion, yet the convergence rate was comparatively low. An improved algorithm for raising training speed based on function orthogonal basis expansion in PNN for soft measurement was researched. After increasing the normalizing rule on the original algorit

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Kalyuzhniy, D. "Identification of the parameters of equivalent circuits of connections of the electric network in the problem of distribution of their actual contributions." Lighting engineering and power engineering 1, no. 57 (2020): 33–38. http://dx.doi.org/10.33042/2079-424x-2020-1-57-33-38.

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One of the current problems of modern electricity is the distribution of actual contributions for lowering the quality of electricity at the point of general connection of electricity networks. Despite the large number of developed methods to address this issue, their adequacy depends on the accuracy of identification of the parameters of the schemes of replacement of elements of the electrical network. In this regard, the article considers the problem of identifying the parameters of equivalent schemes of replacement of the power system, mixed passive and active loads, taking into account the

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13

Staszek, Kamil, Slawomir Gruszczynski, and Krzysztof Wincza. "Tunable multiport system for measurement of two-port scattering parameters." International Journal of Microwave and Wireless Technologies 9, no. 1 (2015): 99–112. http://dx.doi.org/10.1017/s1759078715001312.

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A novel multiport system, allowing for measurements of scattering parameters in over-two-octave frequency range is proposed. It is composed of two directional couplers and a standard 4 × 4 Butler matrix, and does not require any isolators. The presented system features a uniform power distribution providing the high precision of measurements, which can be further enhanced by a simple adjustment of the system's parameters. A comprehensive analysis of the proposed system configurations, a fully analytical calibration for transmission coefficient measurement, and the estimation of maximum measure

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Chen, Yizhe, Yifan Gao, Kai Gan, et al. "State Estimation for Active Distribution Networks Considering Bad Data in Measurements and Topology Parameters." Energies 18, no. 9 (2025): 2222. https://doi.org/10.3390/en18092222.

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SE is critical in ADNs integrating renewable DGs. Traditional SE methods face the challenges of increasing SE errors and decreased robustness due to the adverse impact of bad data in measurements and topology parameters. To address these issues, this paper proposes a robust SE method that considers bad data in measurements and topology parameters. First, a bad measurement data processing model is proposed to improve measurement and SE accuracy by generating high-precision pseudo-measurements through adaptive learning from historical data sequences to replace the bad measurement data in measure

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15

Beckie, Roger. "Measurement Scale, Network Sampling Scale, and Groundwater Model Parameters." Water Resources Research 32, no. 1 (1996): 65–76. http://dx.doi.org/10.1029/95wr02921.

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16

Borovskikh, L. P., and N. G. Chitashvili. "Invariant measurement of three-element two-terminal network parameters." Measurement Techniques 33, no. 1 (1990): 63–67. http://dx.doi.org/10.1007/bf00866822.

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17

Xu, Huixiang. "Cattle Body Intelligent Measurement based on Improved CenterNet." Journal of Electrical Systems 20, no. 2 (2024): 64–72. http://dx.doi.org/10.52783/jes.1098.

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Traditional cattle body measurement methods have limitations such as manual contact measurement and low efficiency. To improve the efficiency of measuring cattle bodies and reduce labor costs, an improved intelligent measurement network based on CenterNet was proposed. In this study, we used the DenseNet-100 to replace the ResNet-101 to alleviate the vanishing gradient problem. We also improved the cattle body size measurement efficiency by reducing the network parameters. In addition, we conducted a comparative experiment on the cattle posture dataset collected by ourselves to verify the feas

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18

Aniket, Waghmare, Karhale Rahul, Pacharne Avish, and C. R. Kuwar Prof. "Portable Patch Antenna Parameters Measurement Device." Journal of Advancement in Communication System 8, no. 1 (2025): 38–41. https://doi.org/10.5281/zenodo.14965643.

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<em>Antenna Systems are very crucial for RF applications, requires precise measurement of key parameters like gain, return loss, VSWR (Voltage Standing Wave Ratio), impedance of antennas. Tradition methods for measuring the parameter of antenna involve complex, bulky, not easily portable and expensive equipment like VNA (Vector Network Analyzer). This project explores an innovative and user-friendly approach overcomes complex steps involve in VNA using ad8302 phase and gain detector IC to measure important parameters of antenna. This system directly displays these key values makes it easy and

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Kłosowski, Grzegorz, Anna Hoła, Tomasz Rymarczyk, Łukasz Skowron, Tomasz Wołowiec, and Marcin Kowalski. "The Concept of Using LSTM to Detect Moisture in Brick Walls by Means of Electrical Impedance Tomography." Energies 14, no. 22 (2021): 7617. http://dx.doi.org/10.3390/en14227617.

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This paper refers to an original concept of tomographic measurement of brick wall humidity using an algorithm based on long short-term memory (LSTM) neural networks. The measurement vector was treated as a data sequence with a single time step in the presented study. This approach enabled the use of an algorithm utilising a recurrent deep neural network of the LSTM type as a system for converting the measurement vector into output images. A prototype electrical impedance tomograph was used in the research. The LSTM network, which is often employed for time series classification, was used to ta

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20

Leskelä, Lasse. "Stabilization of an Overloaded Queueing Network Using Measurement-Based Admission Control." Journal of Applied Probability 43, no. 1 (2006): 231–44. http://dx.doi.org/10.1239/jap/1143936256.

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Admission control can be employed to avoid congestion in queueing networks subject to overload. In distributed networks, the admission decisions are often based on imperfect measurements on the network state. In this paper, we study how the lack of complete state information affects the system performance, by considering a simple network model for distributed admission control. The stability region of the network is characterized and it is shown how feedback signaling makes the system very sensitive to its parameters.

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Leskelä, Lasse. "Stabilization of an Overloaded Queueing Network Using Measurement-Based Admission Control." Journal of Applied Probability 43, no. 01 (2006): 231–44. http://dx.doi.org/10.1017/s0021900200001492.

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Admission control can be employed to avoid congestion in queueing networks subject to overload. In distributed networks, the admission decisions are often based on imperfect measurements on the network state. In this paper, we study how the lack of complete state information affects the system performance, by considering a simple network model for distributed admission control. The stability region of the network is characterized and it is shown how feedback signaling makes the system very sensitive to its parameters.

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22

Zaidan, Martha A., Ola Surakhi, Pak Lun Fung, and Tareq Hussein. "Sensitivity Analysis for Predicting Sub-Micron Aerosol Concentrations Based on Meteorological Parameters." Sensors 20, no. 10 (2020): 2876. http://dx.doi.org/10.3390/s20102876.

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Sub-micron aerosols are a vital air pollutant to be measured because they pose health effects. These particles are quantified as particle number concentration (PN). However, PN measurements are not always available in air quality measurement stations, leading to data scarcity. In order to compensate this, PN modeling needs to be developed. This paper presents a PN modeling framework using sensitivity analysis tested on a one year aerosol measurement campaign conducted in Amman, Jordan. The method prepares a set of different combinations of all measured meteorological parameters to be descripto

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Xia, Kaiguo, Zhisong Pan, and Pengqiang Mao. "Video Compressive Sensing Reconstruction Using Unfolded LSTM." Sensors 22, no. 19 (2022): 7172. http://dx.doi.org/10.3390/s22197172.

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Video compression sensing can use a few measurements to obtain the original video by reconstruction algorithms. There is a natural correlation between video frames, and how to exploit this feature becomes the key to improving the reconstruction quality. More and more deep learning-based video compression sensing (VCS) methods are proposed. Some methods overlook interframe information, so they fail to achieve satisfactory reconstruction quality. Some use complex network structures to exploit the interframe information, but it increases the parameters and makes the training process more complica

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Chudzik, Stanisław, and Waldemar Minkina. "An Idea of a Measurement System for Determining Thermal Parameters of Heat Insulation Materials." Metrology and Measurement Systems 18, no. 2 (2011): 261–74. http://dx.doi.org/10.2478/v10178-011-0008-2.

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An Idea of a Measurement System for Determining Thermal Parameters of Heat Insulation MaterialsThe article presents the prototype of a measurement system with a hot probe, designed for testing thermal parameters of heat insulation materials. The idea is to determine parameters of thermal insulation materials using a hot probe with an auxiliary thermometer and a trained artificial neural network. The network is trained on data extracted from a nonstationary two-dimensional model of heat conduction inside a sample of material with the hot probe and the auxiliary thermometer. The significant heat

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Grigoryan, L. R., N. M. Bogatov, R. L. Grigoryan, and M. A. Sakhno. "DISCRETE METHODS FOR MEASURING PARAMETERS OF AMPLITUDE CHARACTERISTICS OF QUADIPOLES." Kontrol'. Diagnostika, no. 311 (May 2024): 56–62. http://dx.doi.org/10.14489/td.2024.05.pp.056-062.

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The paper discusses the measurement of amplitude characteristics parameters of quadripole networks that is one of important and relatively new areas of measurement technology. In this paper, this aspect is considered in relation to discrete methods for measuring parameters of amplitude characteristics using digital procedures for generating and converting test signals. It is shown that, in contrast to the constant one, with a discrete modulation law it is possible to weaken the influence of transient processes and dynamic distortions of the test signal in the studied quadripole network, which

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Nauvaldi, Syafrizal, F. Trias Pontia, and Neilcy Tjahjamooniarsih. "ANALYSIS OF WI-FI NETWORK QUALITY IN TANJUNGPURA UNIVERSITY LIBRARY BUILDING." Telecommunications, Computers, and Electricals Engineering Journal 1, no. 1 (2023): 13. http://dx.doi.org/10.26418/telectrical.v1i1.69799.

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Tanjungpura University Library Building as a place that is often crowded with students who use Wi-Fi networks, requires good Wi-Fi signal quality to support smooth and efficient internet access to various digital resources.Wi-Fi data retrieval is inside the Tanjungpura University Library Building, Measuring RSSI (Received Signal Strength Indicator) parameters in the Tanjungpura University Library Building area using the application G-NetWi-Fi, where measurements are carried out by the walk test method using the G-NetWi-Fi application, Make data analysis and conclusions from the results of meas

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Liu, Xing, Xian Yan Chen, Yuan Lin, Long Fang Ye, Fen Xiao, and Qing Huo Liu. "A Coaxial Measurement System for Electromagnetic Parameters at Microwave Frequencies." Advanced Materials Research 881-883 (January 2014): 1832–35. http://dx.doi.org/10.4028/www.scientific.net/amr.881-883.1832.

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In this paper, an improved coaxial measurement system with a newly designed coaxial fixture is presented. The electromagnetic parameters of samples are retrieved from the scattering parameters measured by a vector network analyzer (VNA) at microwave frequencies. The measurements of air and PTFE in the range of 1~6 GHz were carried out to verify the reliability and the accuracy of this measurement system. By using frequency-sweep and data processing techniques, the multiplicity of roots is eliminated. The results show that this system can effectively be applied to measure the material electroma

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Liao, Pu, and Liu Guixiong. "Pressure vessel-oriented visual inspection method based on deep learning." PLOS ONE 17, no. 5 (2022): e0267743. http://dx.doi.org/10.1371/journal.pone.0267743.

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The detection of surface parameters of pressure vessel welds guarantees safe operation. To address the problems of low efficiency and poor accuracy of traditional manual inspection methods, a method for welding morphological parameters combined with vision and structured light is proposed in this study. First, a feature point extraction algorithm for weld parameters based on deep convolution was proposed. An accurate extraction method of weld image feature point coordinates was designed based on the combination of the loss function via seam undercut feature recognition and weld feature point e

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29

Yeom, Kyung-Whan, and Abdule-Rahman Ahmed. "Measurement of Noise Parameters Using 6-Port Network (Invited Paper)." Journal of Korean Institute of Electromagnetic Engineering and Science 26, no. 2 (2015): 119–26. http://dx.doi.org/10.5515/kjkiees.2015.26.2.119.

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Davis, W. A., C. F. Bunting, and S. E. Bucca. "Measurement and analysis for stripline material parameters using network analyzers." IEEE Transactions on Instrumentation and Measurement 41, no. 2 (1992): 286–90. http://dx.doi.org/10.1109/19.137362.

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31

Chandra, Dikky, Sri Yusnita, Dana Bahari Sitepu, Arif Mursydan, and Dwiny Meidelfi. "LTE Network Area Coverage on FDD and TDD Technology." International Journal of Advanced Science Computing and Engineering 2, no. 1 (2020): 21–33. http://dx.doi.org/10.30630/ijasce.2.1.47.

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FDD (Frequency Division Duplexing) and TDD (Time Division Duplexing) Technology I is a duplex technology on the 4G LTE network. FDD technology in Indonesia is deployed in the 900 MHz, 1800 MHz and 2100 MHz frequency bands. Meanwhile, TDD technology uses frequency of 2300 MHz. In order to see the performance from the side of coverage, a measurement of the signal strength is conducted by direct measurements in field so that the appropriate technology and frequency band can be determined for the measurement area. The measurements have been done by two samples of different frequencies, namely 1800

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Chandra, Dikky, Sri Yusnita, Dana Bahari Sitepu, Arif Mursydan, and Dwiny Meidelfi. "LTE Network Area Coverage on FDD and TDD Technology." International Journal of Advanced Science Computing and Engineering 2, no. 1 (2020): 21–33. http://dx.doi.org/10.62527/ijasce.2.1.47.

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FDD (Frequency Division Duplexing) and TDD (Time Division Duplexing) Technology I is a duplex technology on the 4G LTE network. FDD technology in Indonesia is deployed in the 900 MHz, 1800 MHz and 2100 MHz frequency bands. Meanwhile, TDD technology uses frequency of 2300 MHz. In order to see the performance from the side of coverage, a measurement of the signal strength is conducted by direct measurements in field so that the appropriate technology and frequency band can be determined for the measurement area. The measurements have been done by two samples of different frequencies, namely 1800

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Hartawan, I. Nyoman Buda, and I. Gusti Made Ngurah Desnanjaya. "ANALISIS KINERJA PROTOKOL ZIGBEE DI DALAM DAN DI LUAR RUANGAN SEBAGAI MEDIA KOMUNIKASI DATA PADA WIRELESS SENSOR NETWORK." Jurnal RESISTOR (Rekayasa Sistem Komputer) 1, no. 2 (2018): 65–72. http://dx.doi.org/10.31598/jurnalresistor.v1i2.320.

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Wireless sensor network is a technology used in supporting monitoring activities both inside and outside environment. Data communication on wireless sensor networks is done wirelessly. The Zigbee protocol is one of the protocols used in data communication on wireless sensor networks as an implementation of XBEE devices. In this study measurement of Zigbee protocol performance on XBEE devices inside and outside environment. The measurement conditions in the room are limited by the wall partition, while the outdoor conditions are line of sight. Measurements were made by sending packet data using

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Wilkins, J., M. V. Nguyen, and B. Rahmani. "Application of Convolutional Neural Network In LAWN Measurement." Signal & Image Processing : An International Journal 12, no. 1 (2021): 1–8. http://dx.doi.org/10.5121/sipij.2021.12101.

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Lawn area measurement is an application of image processing and deep learning. Researchers used hierarchical networks, segmented images, and other methods to measure the lawn area. Methods’ effectiveness and accuracy varies. In this project, deep learning method, specifically Convolutional neural network, was applied to measure the lawn area. We used Keras and TensorFlow in Python to develop a model that was trained on the dataset of houses then tuned the parameters with GridSearchCV in ScikitLearn (a machine learning library in Python) to estimate the lawn area. Convolutional neural network o

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Mahmud, Mahmud, and Yarza Aprizal. "The Penerapan QoS (Quality Of Service) Dalam Menganalisis Kualitas Kinerja Jaringan Komputer (Studi Kasus Hotel Maxone Palembang)." Journal of Information System Research (JOSH) 3, no. 4 (2022): 374–79. http://dx.doi.org/10.47065/josh.v3i4.1567.

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MaxOne Hotel Palembang has a computer network that connects every device. A good network is reflected in the quality provided to its users. Computer networks and the internet become a necessity that can’t be separated when MaxOne Palembang Hotel runs its business processes, of course this results in higher tasks received by the network, therefore activities are needed to ensure the quality of the computer network network at MaxOne Hotel Palembang. This research applies the steps of action research method by applying the calculation of Quality of Service (QoS) with 4 (four) parameters, They are

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Rolfes, I., B. Will, and B. Schiek. "Calibration-measurement unit for the automation of vector network analyzer measurements." Advances in Radio Science 6 (May 26, 2008): 27–30. http://dx.doi.org/10.5194/ars-6-27-2008.

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Abstract. With the availability of multi-port vector network analyzers, the need for automated, calibrated measurement facilities increases. In this contribution, a calibration-measurement unit is presented which realizes a repeatable automated calibration of the measurement setup as well as a user-friendly measurement of the device under test (DUT). In difference to commercially available calibration units, which are connected to the ports of the vector network analyzer preceding a measurement and which are then removed so that the DUT can be connected, the presented calibration-measurement u

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KOMMEY, Benjamin, Ernest Ofosu ADDO, Elvis TAMAKLOE, Eric Tutu TCHAO, and Henry NUNOO-MENSAH. "A SIX-PORT MEASUREMENT DEVICE FOR HIGH POWER MICROWAVE VECTOR NETWORK ANALYSIS." Applied Computer Science 18, no. 3 (2022): 105–29. http://dx.doi.org/10.35784/acs-2022-24.

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The changes experienced in technology due to the third industrial revolution have over the years contributed immensely to the development of efficient devices and systems. As a result, solutions have been provided to challenges encountered in the heating industry. However, higher efficiency and better performance has undoubtedly been highly sort after. This paper presents the complete industrial development of a new system of a microwave device for use in S-band networks (2.45 GHz ISM band in this application): a vector network analyzer (VNA). The VNA, which is designed based on the six-port m

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Deshmukh, Dhananjay, M. Razu Ahmed, John Albino Dominic, et al. "Quantifying relations and similarities of the meteorological parameters among the weather stations in the Alberta Oil Sands region." PLOS ONE 17, no. 1 (2022): e0261610. http://dx.doi.org/10.1371/journal.pone.0261610.

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Our objective was to quantify the similarity in the meteorological measurements of 17 stations under three weather networks in the Alberta oil sands region. The networks were for climate monitoring under the water quantity program (WQP) and air program, including Meteorological Towers (MT) and Edge Sites (ES). The meteorological parameters were air temperature (AT), relative humidity (RH), solar radiation (SR), barometric pressure (BP), precipitation (PR), and snow depth (SD). Among the various measures implemented for finding correlations in this study, we found that the use of Pearson’s coef

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Azhari, Bin Asrokin, and Kamal Bin A. Rahim Mohamad. "Performance Evaluation of two Port and four Port Measurement for Twisted Pair Cable." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 4 (2018): 2624–32. https://doi.org/10.11591/ijece.v8i4.pp2624-2632.

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A balance-unbalance (balun) transformer is commonly used to connect the balance 100 Ohm twisted pair cable to the unbalance 50 Ohm network analyzer ports, but due to the limitations of the core (i.e. ferrite) inside the balun, the balun can only effectively operates at a certain band of frequencies. This limitation can be eliminated by using a 4-port vector network analyzer (VNA) which is done by connecting the VNA’s ports to each conductor end. The extracted S-parameters will then be transformed to a 2-port S-parameters in differential mode at both ports. To validate the measurement tec

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Vasylenko, Mykola. "Soil Parameters Monitoring System." Electronics and Control Systems 3, no. 81 (2024): 36–40. http://dx.doi.org/10.18372/1990-5548.81.18988.

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Soil parameters monitoring is vital for different areas such as climatological and ecological studies, agriculture, etc. Large scale measurement systems are based on satellite technologies however their spatial and temporal resolutions still must be improved for real-time measurement tasks and control of local areas. Such systems also require in-situ measurements for calibration. It rises the need of local sensor networks development. The paper proposes a soil monitoring system which allows measuring temperature and humidity. Wireless communication between sensors and data collection unit allo

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Zhang, Yulu, and Hua Lu. "Reliability Research on Quantum Neural Networks." Electronics 13, no. 8 (2024): 1514. http://dx.doi.org/10.3390/electronics13081514.

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Quantum neural networks (QNNs) leverage the strengths of both quantum computing and neural networks, offering solutions to challenges that are often beyond the reach of traditional neural networks. QNNs are being used in areas such as computer games, function approximation, and big data processing. Moreover, quantum neural network algorithms are finding utility in social network modeling, associative memory systems, and automatic control mechanisms. Nevertheless, ensuring the reliability of quantum neural networks is crucial as it directly influences network performance and stability. To inves

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Alasl, M. Kashefi, M. Khosravi, M. Hosseini, G. R. Pazuki, and R. Nezakati Esmail Zadeh. "Measurement and mathematical modelling of nutrient level and water quality parameters." Water Science and Technology 66, no. 9 (2012): 1962–67. http://dx.doi.org/10.2166/wst.2012.333.

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Physico-chemical water quality parameters and nutrient levels such as water temperature, turbidity, saturated oxygen, dissolved oxygen, pH, chlorophyll-a, salinity, conductivity, total nitrogen and total phosphorus, were measured from April to September 2011 in the Karaj dam area, Iran. Total nitrogen in water was modelled using an artificial neural network system. In the proposed system, water temperature, depth, saturated oxygen, dissolved oxygen, pH, chlorophyll-a, salinity, turbidity and conductivity were considered as input data, and the total nitrogen in water was considered as output. T

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Yun, Xu, Su Yan, Zhu Xinhua, and Luo Zhihang. "Network dynamic field calibration for micro inertial measurement unit." Transactions of the Institute of Measurement and Control 41, no. 10 (2018): 2826–37. http://dx.doi.org/10.1177/0142331218811465.

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Calibration accuracy of micro inertial measurement unit (MIMU) will affect the navigation accuracy of micro strap-down inertial navigation system. Generally, when the application environment changes (i.e. environment temperature and humidity), the specific force and angular rate output by MIMU will be changed, which were influenced by the zero bias of accelerometers, the zero drift of gyroscopes and so on. Thus, it is necessary to carry out the field calibration for MIMU. Aiming at the application of multi MIMUs, the network dynamic field calibration method is proposed in this paper. According

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Li, Xia, and Sheng Xun Wang. "The Research and Implementation of TCP Measurement Technology." Applied Mechanics and Materials 220-223 (November 2012): 3020–23. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.3020.

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This article gives the outline of the method of TCP measurement, and the open source codes are combined to make the active measurement for TCP into reality. Some network parameters such as throughput, bandwidth and TCP windows size can be measured to show the performance of the network. Accordingly the network stream can be observed, the network capacity and the performance is determined so that the network can provide higher QOS.

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Hrbac, Roman, Vaclav Kolar, Mikolaj Bartlomiejczyk, Tomas Mlcak, Petr Orsag, and Jakub Vanc. "A Development of a Capacitive Voltage Divider for High Voltage Measurement as Part of a Combined Current and Voltage Sensor." Elektronika ir Elektrotechnika 26, no. 4 (2020): 25–31. http://dx.doi.org/10.5755/j01.eie.26.4.25888.

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This article deals with the development of capacitive voltage divider for high voltage measurements and presents a method of analysis and optimization of its parameters. This divider is a part of a combined voltage and current sensor for measurements in high voltage power networks. The sensor allows continuous monitoring of the network distribution status and performs a quick diagnosis and location of possible network failures. Deployment of these devices will support semi-autonomous control of power networks and it can be considered as a step from traditional power grids toward smart grids. T

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Juwita, Mohd Sultan, Artikah Osmadi Izzah, and Manap Zahariah. "Real-time Wi-Fi network performance evaluation." International Journal of Informatics and Communication Technology 11, no. 3 (2022): 193–205. https://doi.org/10.11591/ijict.v11i3.pp193-205.

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The most critical parameters that indicate the Wi-Fi network are throughput, delay, latency, and packet loss since they provide significant benefits, especially to the end-user. This research aims to investigate Wi-Fi performance in an indoor environment for light-of-sight (LOS) and non-light-of-sight (NLOS) conditions. The effect of the surrounding obstacles and distance has also been reported in the paper. The parameters measured are packet loss, the packet sent, the packet received, throughput, and latency. Site measurement is done to obtain real-time and optimum results. The measured param

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Zhai, Weifang, Yongli Liu, and Yiran Jiang. "Research on Integrated Parameter Measurement and Control System of Low Voltage Distribution Network." International Journal of Advanced Pervasive and Ubiquitous Computing 9, no. 3 (2017): 32–46. http://dx.doi.org/10.4018/ijapuc.2017070103.

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In order to ensure the safe operation of the distribution network and to understand the operation of the distribution network, it is necessary to monitor the various operating parameters of the distribution network in real time and to send the various measurement parameters to the dispatching and monitoring center in time. So the low-voltage distribution network integrated parameter measurement and control has been widely used. This paper introduces a design method of combining two sets of reactive power compensator and distribution network measuring and controlling device into one part. The d

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Kacprzyk, Janusz, Artur Zaporozhets, and Denys Kataiev. "DEVELOPMENT OF AN ARTIFICIAL NEURAL NETWORK FOR INFORMATION AND MEASUREMENT SYSTEM FOR CONTROLLING THE GEOMETRIC DIMENSIONS OF POWER EQUIPMENT." System Research in Energy 2025, no. 1 (2025): 74–84. https://doi.org/10.15407/srenergy2025.01.074.

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The paper deals with the development of an artificial neural network for compensating for nonkinematic errors of an information and measurement system (IMS) based on a coordinate measuring arm (CMA). After compensating for kinematic errors using a mathematical model, the proposed back-propagation neural network corrects non-kinematic errors arising from thermal deformations, noise, and element deformation inaccuracies. Experimental studies conducted on synthetic data demonstrated a significant reduction in the mean square error (MSE) of the coordinates of the measured points and a decrease in

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Kim, Jongmin, Duc Long Luong, Wansoo Nah, and SoYoung Kim. "Measurement of Multi-Port S-Parameters using Four-Port Network Analyzer." JSTS:Journal of Semiconductor Technology and Science 13, no. 6 (2013): 589–93. http://dx.doi.org/10.5573/jsts.2013.13.6.589.

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Kubrak, O. N. "Measurement of dielectric parameters with the aid of automatic network analyzers." Measurement Techniques 30, no. 1 (1987): 87–90. http://dx.doi.org/10.1007/bf00865737.

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