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Journal articles on the topic 'Measuring instruments - Data processing'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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1

Kanaya, T., K. Hirabayashi, I. Fujita, and K. Tsumura. "Detection of unusual data in online monitoring of wastewater processing." Water Science and Technology 33, no. 1 (1996): 71–79. http://dx.doi.org/10.2166/wst.1996.0007.

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A basic of process control is to understand process conditions with measuring instruments and to operate processes so as to realize target conditions. If input measured values were inaccurate, output of manipulated variables would become improper and, as a result, it would be difficult to bring the process to the desired condition. In the wastewater treatment process, thanks to the latest progress in sensor technology, numerous automatic measuring instruments have been introduced. However, because of adverse environmental conditions peculiar to the wastewater treatment process such as slime-co

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Zhang, Shi Lin. "Research on Optical Radiation Measuring System Based on Virtual Instrument." Applied Mechanics and Materials 484-485 (January 2014): 337–42. http://dx.doi.org/10.4028/www.scientific.net/amm.484-485.337.

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Using virtual instrument technology, digital signal processing technology and traditional optical radiation measuring technology to construct optical radiation measuring system breaks the construction methods of traditional instruments. Signal processing, collection, control and process of measuring system are implemented by the software LabVIEW8.2. And they are integrated in a computer. The computer not only is data processing center, but also is instrument control center. While measuring, the user uses the mouse to operate the handles including knobs, switch and buttons of virtual instrument

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Yuan, Feng Wei, Yan Jiang, and Liang Bin Hu. "Automatic and Intellectualized Reconstruction of the Surface Roughness Measuring Instrument." Advanced Materials Research 328-330 (September 2011): 1912–15. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.1912.

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The automatic and intellectualized reconstruction is the important way to improve and expand the traditional instrumental function. The surface roughness is an important indicator of effecting parts and products performance. On the basis of using precision measurement technology, electronic technology and computer technology synthetically, the principle and method of the automatic and intellectualized reconstruction of JB-3C Type Surface Roughness Measuring Instrument is mainly introduced, which is to reconstruct the hardware circuit and develop function in view of the flaws that the data proc

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4

Wei, Yong Geng, and Zhong Xian Wang. "Research of Automatic Measurement Technology for Oil Thimble External Thread Parameters." Key Engineering Materials 579-580 (September 2013): 558–63. http://dx.doi.org/10.4028/www.scientific.net/kem.579-580.558.

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There are many problems for manual measurement of oil thimble external thread parameters: human error, low efficiency, low precision for measuring instruments and high abrasion for its measuring head, so photology automatic measurement method is adopted. Automatic measurement is finished by the following method: obtaining image by plane Matrix CCD and a two-DOF motion platform, extracting digital image by digital image processing techniques, getting the thread parameters by reasonable algorithms and digital image detection technology. Through field experiment of measuring instrument prototype

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Kalinchik, Vasilij, Vitaliy Pobigaylo, Vitaliy Kalinchyk, and Daniil Filjanin. "Use of statistical analysis methods in processing population survey data." Bulletin of NTU "KhPI". Series: Problems of Electrical Machines and Apparatus Perfection. The Theory and Practice, no. 1 (5) (May 28, 2021): 58–60. http://dx.doi.org/10.20998/2079-3944.2021.1.11.

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The article analyzes the structures of the measuring channels of electricity metering systems. It is shown that such a structure is determined by the types of measuring instruments used and the scheme of their connection, in particular, by the types of electricity meters installed at the metering points. Moreover, the counters can have a pulse or interface information output. It is shown that the path for measuring and metering electricity includes a measuring circuit consisting of measuring current and voltage transformers, an electricity meter, communication lines, a metering device and a da

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Zhou, Zong Guo, Yin Xia Lou, and Jian Chu. "The Error Analysis and Data Processing of Leaf Water Potential." Advanced Materials Research 219-220 (March 2011): 1440–44. http://dx.doi.org/10.4028/www.scientific.net/amr.219-220.1440.

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For the implementation of precision irrigation (PI), it is most important to measure precisely plant water potential. The traditional measuring instruments still can not meet the need for continuous automatic detection of plant water potential, and have difficulty detecting living plant water potential. Plant water potential soft- sensing is one of the ways worth exploring. The first thing we should think about is the accuracy of the data. Filter the information of plant water potential acquired by the detecting system and further analyze this information to discover the change rules on the pl

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DAS, ATIN, and PRITHA DAS. "FRACTAL ANALYSIS OF DIFFERENT EASTERN AND WESTERN MUSICAL INSTRUMENTS." Fractals 14, no. 03 (2006): 165–70. http://dx.doi.org/10.1142/s0218348x06003192.

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In this paper, we attempt musical analysis by measuring fractal dimension (D) of musical pieces played by several musical instruments. We collected solo performances of popular instruments of Western and Eastern origin as samples. We attempted usual spectral analysis of the selected clips to observe peaks of fundamental and harmonics in frequency regime. After appropriate processing, we converted them into time series data sets and computed their fractal dimension. Based on our results, we conclude that instrumental musical sounds may have higher Ds than those computed from vocal performances

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8

Zhang, Ling Fei, and Sheng Yu Wang. "The Equal Precision Measurement Data Processing System Based on Virtual Instrument." Advanced Materials Research 981 (July 2014): 647–52. http://dx.doi.org/10.4028/www.scientific.net/amr.981.647.

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During quantitative analysis on measured object by using equal precision measurement method, there remains certain difference between the measuring result and truth value due to the impact on measuring method, measuring tools and measuring environment. In order to reduce measurement error, we usually make continuous equal precision measurements on the measured object repeatedly. Then we get the final result by theoretical calculations, error analysis and dispose on measurement data. The data processing shows complicated and error-prone .But now we take computer as a carrier, then combining wit

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Fedorenko, Vyacheslav F., Vitaly E. Tarkivskiy, Nikolay P. Mishurov, and Nikolay V. Trubitsyn. "Digital Data Processing Methods for Estimating Tractive Force of Tractors." Engineering Technologies and Systems 31, no. 1 (2021): 127–42. http://dx.doi.org/10.15507/2658-4123.031.202101.127-142.

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Introduction. When carrying out an energy assessment of agricultural machines and traction tests of tractors, the most important indicator is the value of the tractive effort. The existing methods for determining the tractive effort of tractors imply the use of specialized measuring instruments, such as strain gauges and devices for processing and displaying information. The accuracy of determining the tractive effort is significantly influenced by the physical and mechanical properties of soil. To process the useful signal during the measurement of tractive effort, the data stream of the stra

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Pil'cov, Mihail. "DEVELOPMENT OF MEASURING INSTRUMENTS BASED ON ARDUINO PLATFORM AND PYTHON PROGRAMMING LANGUAGE." Modern Technologies and Scientific and Technological Progress 2018, no. 1 (2020): 84–85. http://dx.doi.org/10.36629/2686-9896-2020-2018-1-84-85.

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An example of an implementation of a data collection system based on the Arduino platform and the Python programming language is considered. These systems can be used to automate long-term multiple measurements, as well as subsequent processing of the results of these measurements. Similar systems can find application in young scientists, masters and post-graduate students in their research work while experimentally testing the developed mathematical models and theories.

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11

YAGI, Ryo. "Roles of Software for Profile Measurement. Data Processing and Profile Evaluation on Roundness and Cylindricity Measuring Instruments." Journal of the Japan Society for Precision Engineering 61, no. 8 (1995): 1073–76. http://dx.doi.org/10.2493/jjspe.61.1073.

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Smit, Robin, and Phil Kingston. "Measuring On-Road Vehicle Emissions with Multiple Instruments Including Remote Sensing." Atmosphere 10, no. 9 (2019): 516. http://dx.doi.org/10.3390/atmos10090516.

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The objective of this paper is to use remote sensing to measure on-road emissions and to examine the impact and usefulness of additional measurement devices at three sites. Supplementing remote sensing device (RSD) equipment with additional equipment increased the capture rate by almost 10%. Post-processing of raw data is essential to obtain useful and accurate information. A method is presented to identify vehicles with excessive emission levels (high emitters). First, an anomaly detection method is applied, followed by identification of cold start operating conditions using infrared vehicle

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Markó, Gergely, Péter Primusz, and József Péterfalvi. "Measuring the Bearing Capacity of Forest Roads with an Improved Benkelman Beam Apparatus." Acta Silvatica et Lignaria Hungarica 9, no. 1 (2013): 97–109. http://dx.doi.org/10.2478/aslh-2013-0008.

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Abstract Bearing capacity measurements of roads were traditionally carried out using the Benkelman beam. The Benkelman beam measurements provide the maximum vertical deflection of the pavement under 50 kN of wheel load. Nowadays the bearing capacity of public roads is measured with falling weight deflectometers. Falling weight deflectometer measurements provide the full deflection basin. It is convenient to use these high precision instruments on forest roads, but their application is inefficient and costly. The Department of Forest Opening Up developed a new method to measure the full deflect

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P., Arun Kumar N., and Jagadeesh Chandra A.P. "Development of Remote Access and Control Features for Digital Signal Processing Laboratory Experimentations." International Journal of Online Engineering (iJOE) 12, no. 08 (2016): 51. http://dx.doi.org/10.3991/ijoe.v12i08.5957.

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Remote instrumentation and collaborative learning methods have enhanced the experimental learning aspects of engineering education. Automation is changing the nature of these laboratories and remote access techniques are providing access to server machine from anywhere in the world through internet. This provides an opportunity to develop the remote instrumentation laboratories using which students can perform their lab experiments remotely all over the day and thereby increasing the productivity of the lab setups and measuring instruments. This paper presents the detailed architecture and the

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Bai, Hai Cheng, Hong Ji Meng, and Zhi Xie. "Development of an Embedded High-Temperature Field Measuring Instrument." Advanced Materials Research 508 (April 2012): 151–54. http://dx.doi.org/10.4028/www.scientific.net/amr.508.151.

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This paper describes the development of an embedded high-temperature measuring instrument, which is composed of lens, photoelectric converter based on area-array CCD, and data acquisition, processing, Ethernet communication module based on DSP. The device is a creation of imaging spectrum, CCD imaging technology, digital image processing method and Ethernet communication together effectively. The advantages of this approach are: First, the networked measuring platform provides the possibility for process parameters optimization. Second, direct digital signal communication improves the anti-int

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Cao, Xiang Feng, Zhi Chuan Guan, Feng Qing Ma, and Yun Long Xu. "The Data Processing and the Related Software Development of the Active Magnetic Measuring Instrument." Applied Mechanics and Materials 530-531 (February 2014): 237–39. http://dx.doi.org/10.4028/www.scientific.net/amm.530-531.237.

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Magnetic guidance drilling technology is use of magnetic guidance instrument measuring the distance between the signal source and the location of the instrument, and it is used to control the well trajectory to connect or parallel the target layer. And it is an effective supplement of the existing steering drilling technology. At present, the magnetic guidance drilling technology is mainly applied to drill horizontal wells in pairs for the super heavy recovery, CBM horizontal connected wells, underground soluble minerals, relief well and so on. This paper introduces the data processing and the

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17

Wang, Tao, Hu Rong Duan, Liu Tao Jiang, and Shun Liu. "Analysis of Underground Space Azimuth Measuring and Data Processing in a Tunnel." Applied Mechanics and Materials 580-583 (July 2014): 2828–32. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.2828.

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In this paper, we studied high accuracy azimuth measuring on improving the precision of traverse azimuth from the perspective of transfixion measurement error in a tunnel project. On the basis of a feasible scheme using Gyro Total Station measurement is given. Data processing theory and method are also introduced with a successful tunnel transfixion case. The transfixion results show that the instrument constant measurement precision is 3.7", baseline coordinates azimuth measurement accuracy is 4.8" into tunnel, the final orientation coordinate azimuth value and traverse measurement values dif

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18

Tyurin, Andrei, German Ganus, Mikhail Stepanov, and Gafurzhan Ismailov. "Measurement Instruments and Software Used in Biotribology Research Laboratory." Electrical, Control and Communication Engineering 8, no. 1 (2015): 30–36. http://dx.doi.org/10.1515/ecce-2015-0004.

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Abstract Precision measurements of friction processes have a key role in a variety of industrial processes. The emergence of fine electronic circuit techniques greatly expands capabilities of control. There are some difficulties for their full implementation today, especially when it regards the accuracy and frequency of measurements. The motion-measuring method in real-time system is considered in this article, paying special attention to increased accuracy. This method is based on rapid analog digital converter (ADC), transmission program and digital signal processor (DSP) algorithms. Descri

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19

Górski, Zygmunt, and Romuald Cwilewicz. "Usefulness assessment of standard measuring instruments installed on sea-going ships to perform energy measurements." Polish Maritime Research 14, no. 1 (2007): 23–27. http://dx.doi.org/10.2478/v10012-007-0004-2.

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Usefulness assessment of standard measuring instruments installed on sea-going ships to perform energy measurements The presented work is a contribution to discussion on usefulness of application of measurement instrumentation used on sea-going ships for energy measurement and scientific research purposes. Contemporary sea-going ships are equipped as a rule with up-to-date measurement instrumentation usually based on electronic data processing and computer technique. These authors have made many times use of such instruments in their research work. This way it was not necessary to install any

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20

Viet, Dang-Thai. "Design the encoder inspection system based on the voltage wave form using finite impulse response (FIR) filter." International Journal of Modern Physics B 34, no. 22n24 (2020): 2040146. http://dx.doi.org/10.1142/s0217979220401463.

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Encoder is the measurement device that plays an important role in the electronic industry. In the process of manufacturing, the current mechanical testing methods are not of very high accuracy or are having problems in data processing algorithms. In this paper, the author represents a method for the testing mechanical work of an encoder product by measuring the torque induced by rotating the encoder. The advantages of this method are the high accuracy, stability and low cost. The accuracy of this method can go upto 95–98%. The measurement system uses LabView software as the data processing app

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Andrushko, M., V. Kuznetsov, and I. Shein. "CONSIDERATIONS ON ALGORITHMS OF SELECTION AND COMPONENTS FORMING OF ON-BOARD INFORMATION AND MEASURING COMPLEXES AND REGISTRATION SYSTEMS. PECULIARITIES OF THEIR APPLICATION." Наукові праці Державного науково-дослідного інституту випробувань і сертифікації озброєння та військової техніки, no. 7 (May 21, 2021): 4–12. http://dx.doi.org/10.37701/dndivsovt.7.2021.01.

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On-board information and measuring complexes and registration systems are intended to control the parameters of both systems and components of the prototype and the sample of automotive and armored vehicles in general to obtain qualitative and quantitative characteristics to assess their compliance with specifications of technical development requirements. At present stage, there is often a need to improve methods for optimizing the development of on-board systems for collecting and processing information to ensure conducting of testing works, which take into account particulars of the e

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Zhu, Wen Liang, Jian Li, and Fang Yu. "Stress Strain Test System for Rail Vehicle on Virtual Instrument." Applied Mechanics and Materials 97-98 (September 2011): 976–80. http://dx.doi.org/10.4028/www.scientific.net/amm.97-98.976.

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This paper bases on LabVIEW, combines corresponding NI industrial computer and DAQ card, completes stress strain signal data acquisition and processing automatically. It had real time storage, data processing and other functions. It had the advantages of flexibility using, portability and costly effective. It shows that using the NI computer testing replaces traditional strain measuring instrument, which has an important signification for stress and strain signal data acquisition and processing.

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Xu, Rui Lin, Yu Liu, Xin Xu, and Jian Jun He. "Power Quality Monitoring System Based on LabVIEW." Advanced Materials Research 711 (June 2013): 358–62. http://dx.doi.org/10.4028/www.scientific.net/amr.711.358.

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This paper analyzes the power quality measuring principles according to the national power quality indicator. And a power quality monitoring system based on LabVIEW has been designed. Five indexes are introduced simply in the paper. They are voltage deviation, frequency deviation, three-phase unbalance degree, power harmonic and voltage fluctuation and flicker. Virtual instrument technology is used in the system. Through the combination of software and hardware and with the help of software simulation, the system gets signal data and analyses the power quality. The main program interface has b

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Andrushko, M., I. Shein, and S. Ratushny. "SUBSTANTIATION OF GENERAL REQUIREMENTS FOR ON-BOARD INFORMATION MEASUREMENT AND RECORDING SYSTEMS FOR TESTS OF AUTOMOTIVE EQUIPMENT AND ARMOURED VEHICLES." Наукові праці Державного науково-дослідного інституту випробувань і сертифікації озброєння та військової техніки, no. 6 (December 30, 2020): 4–11. http://dx.doi.org/10.37701/dndivsovt.6.2020.01.

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On-board information measurement and recording systems are designed to control the parameters of both systems and units of the prototype and the sample of automotive equipment and armored vehicles in general, to obtain qualitative and quantitative characteristics to assess their compliance with technical requirements of the request for proposal. The universal modular type on-board information-measuring system must provide acquisition, conversion and registration on the on-board drive of parametric (analog and digital), discrete, audio and video information from on- board systems of armam

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Barna, A., I. B. Földes, Z. Gingl, and R. Mingesz. "Compact Energy Measuring System for Short Pulse Lasers." Metrology and Measurement Systems 20, no. 2 (2013): 183–90. http://dx.doi.org/10.2478/mms-2013-0016.

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Abstract In experiments with short-pulse lasers the measurement control of the energy of the laser pulse is of crucial importance. Generally it is difficult to measure the amplitude of the pulses of short-pulse lasers using electronic devices, their response time being longer than the duration of the laser pulses. The electric response of the detector is still too fast to be directly digitized therefore a peak-hold unit can be used to allow data processing for the computer. In this paper we present a device which measures the energy of UV short (fs) pulses shot-byshot, digitizes and sends the

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Yuan, Jiang, Zi Xue Qiu, and Jin Wei Cao. "A New Method for Accurately Evaluating Planar Straightness Error." Applied Mechanics and Materials 37-38 (November 2010): 18–22. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.18.

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Because of the disadvantages in evaluating straightness error of the traditional method, such as high algorithm complexity, low evaluating precision, it can’t be appropriate for various instruments. A fast and accurate method called intercept of convex polygon algorithm is put forward to implement least envelope zone for evaluating plane straightness errors. The algorithm is based on the convex-hull theory in computational geometry, the measuring data of various instruments are firstly converted into coordinate value, then constructed the convex polygon by slope factor. The unique point meetin

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Palominos, Fredi, Hernan Díaz, Felisa Córdova, Lucio Cañete, and Claudia Durán. "A Solution for Problems in the Organization, Storage and Processing of Large Data Banks of Physiological Variables." International Journal of Computers Communications & Control 12, no. 2 (2017): 276. http://dx.doi.org/10.15837/ijccc.2017.2.2880.

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The proliferation and popularization of new instruments for measuring different types of electrophysiological variables have generated the need to store huge volumes of information, corresponding to the records obtained by applying this instruments on experimental subjects. Together with this must be added the data derived from the analysis and purification processes. Moreover, several stages involved in the processing of data is associated with one or more specific methods related to the area of research and to the treatment at which the base information (RAW) is subjected. As a result of thi

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Wang, Jun Feng, and Fu Gui Ma. "Application of Radius Error Compensation Principle in the Profile Measuring Instrument." Applied Mechanics and Materials 190-191 (July 2012): 923–26. http://dx.doi.org/10.4028/www.scientific.net/amm.190-191.923.

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The paper analyses the compensation error which is caused by the probe radius of shape measurement instrument with the theory of envelope, and the model of the probe center is established. After having coordinates of envelope point corresponding to data point, actual curve equation has been obtained by using non-uniform B-spline curve. Finally, the effect is simulated and analysed by Matlab, and the result shows that the method of data processing has high precision.

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Kurniawan, Thea Agatha, Bambang Mulyana, and Asep Risman. "COMPARISON OF FINANCIAL PERFORMANCE OF GOVERNMENT BANKS AND NATIONAL PRIVATE BANKS IN BOOK CATEGORY 4." EUrASEANs: journal on global socio-economic dynamics, no. 3(28) (May 31, 2021): 24–36. http://dx.doi.org/10.35678/2539-5645.3(28).2021.24-36.

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The purpose of this research is to compare empirically the performance of government banks and national private banks in the period of 2014-2019. The population in this study includes government-owned banks (BUMN) and national private banks (BUSN) registered in BUKU 4. The statistical method used has been t-test for different variants (unequal variance) with the separated variance formula. Data processing to compare the financial performance of government banks and national private has been based on the independent sample t-tests. The results show that there are differences when using several

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Anjaningrum, Widiya Dewi. "PENERAPAN METODE STABLE TAIL ADJUSTED RETURN RATIO (STARR) DALAM PENGUKURAN KINERJA INVESTASI." Jurnal Ilmiah Bisnis dan Ekonomi Asia 10, no. 2 (2018): 91–97. http://dx.doi.org/10.32812/jibeka.v10i2.78.

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The purpose of this study was to determine the appropriate approach and method for measuring the performance of the investment, if the return data provided just a little or the data don’t follow the normal distribution. Then, apply it in a real case, that is, investment portfolio performance measurement of a pension fund managed by a private university in Malang town. Data processing was aided by MS Excel which the steps are calculating the average return (mean), standard deviation, VaR and CVaR, deviation VaR and CVaR, BI rate and STARR both in the case of a Gaussian distribution and T-Studen

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Kingsmill, David E., Sandra E. Yuter, Andrew J. Heymsfield, et al. "TRMM Common Microphysics Products: A Tool for Evaluating Spaceborne Precipitation Retrieval Algorithms." Journal of Applied Meteorology 43, no. 11 (2004): 1598–618. http://dx.doi.org/10.1175/jam2151.1.

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Abstract A customized product for analysis of microphysics data collected from aircraft during field campaigns in support of the Tropical Rainfall Measuring Mission (TRMM) program is described. These “common microphysics products” (CMPs) are designed to aid in evaluation of TRMM spaceborne precipitation retrieval algorithms. Information needed for this purpose (e.g., particle size spectra and habit, liquid and ice water content) was derived by using a common processing strategy on the wide variety of microphysical instruments and raw native data formats employed in the field campaigns. The CMP

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López-Solano, Javier, Alberto Redondas, Thomas Carlund, et al. "Aerosol optical depth in the European Brewer Network." Atmospheric Chemistry and Physics 18, no. 6 (2018): 3885–902. http://dx.doi.org/10.5194/acp-18-3885-2018.

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Abstract. Aerosols play an important role in key atmospheric processes and feature high spatial and temporal variabilities. This has motivated scientific interest in the development of networks capable of measuring aerosol properties over large geographical areas in near-real time. In this work we present and discuss results of an aerosol optical depth (AOD) algorithm applied to instruments of the European Brewer Network. This network is comprised of close to 50 Brewer spectrophotometers, mostly located in Europe and adjacent areas, although instruments operating at, for example, South America

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Mäkelä, Jakke Sakari, Kaisa Lakkala, Tapani Koskela, et al. "Data flow of spectral UV measurements at Sodankylä and Jokioinen." Geoscientific Instrumentation, Methods and Data Systems 5, no. 1 (2016): 193–203. http://dx.doi.org/10.5194/gi-5-193-2016.

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Abstract. The data flow involved in a long-term continuous solar spectral UV irradiance monitoring program is investigated and structured to provide an overall view on the multiphase process from data acquisition to the final products. The program employing Brewer spectrophotometers as measuring instruments is maintained by the Finnish Meteorological Institute (FMI) ever since the 1990s at two sites in Finland: Sodankylä (67° N) and Jokioinen (61° N). It is built upon rigorous operation routines, processing procedures, and tools for quality control (QC) and quality analysis (QA) under continuo

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Khalil, Samina. "Relative Efficiency of Decision Making Units Producing Both Desirable and Undesirable Outputs: A Case of Textile Processing Units in Pakistan." Pakistan Development Review 50, no. 4II (2011): 685–98. http://dx.doi.org/10.30541/v50i4iipp.685-698.

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This paper aims at measuring the relative efficiency of the most polluting industry in terms of water pollution in Pakistan. The textile processing is country‘s leading sub sector in textile manufacturing with regard to value added production, export, employment, and foreign exchange earnings. The data envelopment analysis technique is employed to estimate the relative efficiency of decision making units that uses several inputs to produce desirable and undesirable outputs. The efficiency scores of all manufacturing units exhibit the environmental consciousness of few producers is which may be

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Grinchuk, A. P., A. G. Buday, and A. V. Gromyko. "APPLICATION OF STATISTICAL METHODS TO ASSESS THE METROLOGICAL CHARACTERISTICS OF RADIO-HOLOGRAPHIC MEASURING COMPLEXES." Devices and Methods of Measurements 9, no. 2 (2018): 173–81. http://dx.doi.org/10.21122/2220-9506-2018-9-2-173-181.

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Practical application of the radio-holographic method for measuring the characteristics of antennas, especially when conducting acceptance testing of systems, requires an adequate assessment of the errors in the recovery of long-range characteristics. These errors appear to be a superposition composed of various sources, having different nature, different time characteristics and different degrees of influence on the final result. The purpose of this work was the development of a practical technique for determining the influence of random errors in measuring the amplitude-phase distribution of

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Cole, Rick. "ADCPs on Surface Buoys: A Brief Look at Legacy Systems and Moving Forward." Marine Technology Society Journal 52, no. 3 (2018): 55–63. http://dx.doi.org/10.4031/mtsj.52.3.1.

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AbstractThe discussion constantly comes up when planning an observing project, whether one system or multiple systems in an array: “Full water column current velocity and direction included in with all data streams is required,” usually surface meteorology, density, and perhaps wave measurements are needed as well (a complete MetOcean sensor suite). Measuring currents means using acoustic Doppler current profilers (ADCP) in today's ocean observing world. Bottom-mounted systems are now standard and straightforward and the best approach for the cleanest data sets. Surface-mounted ADCPs, on movin

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Erdélyi, Ján, Alojz Kopáčik, and Peter Kyrinovič. "Spatial Data Analysis for Deformation Monitoring of Bridge Structures." Applied Sciences 10, no. 23 (2020): 8731. http://dx.doi.org/10.3390/app10238731.

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Weather conditions and different operational loads often cause changes in essential parts of engineering structures, and this affects the static and dynamic behavior and reliability of these structures. Therefore, geodetic monitoring is an integral part of the diagnosis of engineering structures and provides essential information about the current state (condition) of the structure. The development of measuring instruments enables deformation analyses of engineering structures using non-conventional surveying methods. Nowadays, one of the most effective techniques for spatial data collection i

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Zhang, Jun, Yuan Sheng Liu, and Lin Xue. "A Remote Monitoring System Based on Measuring Instrument Cloud." Advanced Materials Research 1014 (July 2014): 525–29. http://dx.doi.org/10.4028/www.scientific.net/amr.1014.525.

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A remote lab room monitoring system based on measuring instrument cloud is presented in this paper. The system consists of cloud computing center, embedded front-end acquisition hardware, mobile terminal device, and network equipment. Measuring service software system located in cloud computing center sends control commands to front-end acquisition hardware and collects acquisition data. Then processing, analysis and integration of signals are completed in the cloud computing framework. Finally, all the information can be interacted with mobile terminals by Web service. The system can monitor

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Zhao, Dong, Jian Zhong Zhang, and Jian Zhao. "Virtual Instrument for Measuring Elastic Modulus of Wood Floor." Applied Mechanics and Materials 37-38 (November 2010): 1634–37. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.1634.

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Elastic modulus is one of the most important performance parameters of wood-based material, and plays an important role for predicting and evaluating quality of wood-based material. At present, the traditional problems for measuring elastic modulus of wood-based material are: expensive testing instrument, short precision, low immunity to noise and less ease to connect. This paper presents a new elastic modulus-measuring system based on virtual instrument. The system ensures the following functions: (1) real-time data acquisition, (2) signal processing and analyze, (3) saving the file in the ap

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Aliev, Rafik, and Konul Memmedova. "Application ofZ-Number Based Modeling in Psychological Research." Computational Intelligence and Neuroscience 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/760403.

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Pilates exercises have been shown beneficial impact on physical, physiological, and mental characteristics of human beings. In this paper,Z-number based fuzzy approach is applied for modeling the effect of Pilates exercises on motivation, attention, anxiety, and educational achievement. The measuring of psychological parameters is performed using internationally recognized instruments: Academic Motivation Scale (AMS), Test of Attention (D2 Test), and Spielberger’s Anxiety Test completed by students. The GPA of students was used as the measure of educational achievement. Application ofZ-informa

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Peltola, O., A. Hensen, C. Helfter, et al. "Evaluating the performance of commonly used gas analysers for methane eddy covariance flux measurements: the InGOS inter-comparison field experiment." Biogeosciences 11, no. 12 (2014): 3163–86. http://dx.doi.org/10.5194/bg-11-3163-2014.

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Abstract. The performance of eight fast-response methane (CH4) gas analysers suitable for eddy covariance flux measurements were tested at a grassland site near the Cabauw tall tower (Netherlands) during June 2012. The instruments were positioned close to each other in order to minimise the effect of varying turbulent conditions. The moderate CH4 fluxes observed at the location, of the order of 25 nmol m−2 s−1, provided a suitable signal for testing the instruments' performance. Generally, all analysers tested were able to quantify the concentration fluctuations at the frequency range relevant

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Peltola, O., A. Hensen, C. Helfter, et al. "Evaluating the performance of commonly used gas analysers for methane eddy covariance flux measurements: the InGOS inter-comparison field experiment." Biogeosciences Discussions 11, no. 1 (2014): 797–852. http://dx.doi.org/10.5194/bgd-11-797-2014.

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Abstract. The performance of eight fast-response methane (CH4) gas analysers suitable for eddy covariance flux measurements were tested at a grassland site near the Cabauw tall tower (Netherlands) during June 2012. The instruments were positioned close to each other in order to minimize the effect of varying turbulent conditions. The moderate CH4 fluxes observed at the location, of the order of 25 nmol m−2 s−1, provided a suitable signal for testing the instruments' performance. Generally, all analysers tested were able to quantify the concentration fluctuations at the frequency range relevant

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Tan, Ying Ying, and You Ming Chen. "LabVIEW Application for Data Acquisition System of Ejector Refrigerator." Advanced Materials Research 374-377 (October 2011): 456–60. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.456.

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In order to analyze the performance of ejector refrigerator, it is necessary to collect the operation parameters of the system. In this paper, the development of data acquisition(DAQ) system for ejector refrigerator is described. It is based on the technique of visual instrument and the characteristic of ejector refrigerator, using National Instrument’s product LabVIEW. The proposed DAQ system consists of a set of sensors for measuring operating parameters of ejector refrigerator. The collected data are ﬁrst conditioned using Agilent 34970 data acquisition switch unit and then interfaced to a

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Liu, Yang Kuan, Tao Cai, and Shi Guang Ju. "Screw Inspection Optimized System Design and Implementation." Advanced Materials Research 217-218 (March 2011): 196–201. http://dx.doi.org/10.4028/www.scientific.net/amr.217-218.196.

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In machinery and equipment manufacturing industry, screw is an important part. Not only as a precision screw precision transmission components, but also commonly used for precision measuring devices. Precision screw itself directly affects the accuracy of precision machine tools and precision measuring instruments for transmission, positioning precision and accuracy, and thus the processing and inspection of precision screw is higher demanded. Traditionally, screw inspection is usually done by manual and the quality of inspection is not high, with very low inspection efficiency. To solve these

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Driemel, Amelie, Eberhard Fahrbach, Gerd Rohardt, et al. "From pole to pole: 33 years of physical oceanography onboard R/V <i>Polarstern</i>." Earth System Science Data 9, no. 1 (2017): 211–20. http://dx.doi.org/10.5194/essd-9-211-2017.

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Abstract. Measuring temperature and salinity profiles in the world's oceans is crucial to understanding ocean dynamics and its influence on the heat budget, the water cycle, the marine environment and on our climate. Since 1983 the German research vessel and icebreaker Polarstern has been the platform of numerous CTD (conductivity, temperature, depth instrument) deployments in the Arctic and the Antarctic. We report on a unique data collection spanning 33 years of polar CTD data. In total 131 data sets (1 data set per cruise leg) containing data from 10 063 CTD casts are now freely available a

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Tailor, Mitul, Jon Petzing, and Michael Jackson. "An Intelligent and Confident System for Automatic Surface Defect Quantification in 3D." Key Engineering Materials 649 (June 2015): 46–53. http://dx.doi.org/10.4028/www.scientific.net/kem.649.46.

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Automatic surface defect inspection within mass production of high-precision components is growing in demand and requires better measurement and automated analysis systems. Many manufacturing industries may reject manufactured parts that exhibit even minor defects, because a defect might result in an operational failure at a later stage. Defect quantification (depth, area and volume) is a key element in quality assurance in order to determine the pass or failure criterion of manufactured parts. Existing human visual analysis of surface defects is qualitative and subjective to varying interpret

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Julin, Arttu, Matti Kurkela, Toni Rantanen, et al. "Evaluating the Quality of TLS Point Cloud Colorization." Remote Sensing 12, no. 17 (2020): 2748. http://dx.doi.org/10.3390/rs12172748.

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Terrestrial laser scanning (TLS) enables the efficient production of high-density colored 3D point clouds of real-world environments. An increasing number of applications from visual and automated interpretation to photorealistic 3D visualizations and experiences rely on accurate and reliable color information. However, insufficient attention has been put into evaluating the colorization quality of the 3D point clouds produced applying TLS. We have developed a method for the evaluation of the point cloud colorization quality of TLS systems with integrated imaging sensors. Our method assesses t

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Dindorf, Ryszard, and Piotr Wos. "Universal Programmable Portable Measurement Device for Diagnostics and Monitoring of Industrial Fluid Power Systems." Sensors 21, no. 10 (2021): 3440. http://dx.doi.org/10.3390/s21103440.

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This paper presents a new universal programmable portable measuring device (PMD) as a complete, accurate, and efficient solution for monitoring and technical diagnostics of industrial fluid power systems. PMD has programmable functions designed for recording, processing, and graphical visualization of measurement results at the test stand or the place of operation of fluid power systems. PMD has a built-in WiFi communication module for transferring measurement data via Industrial Internet of Things (IIoT) technology for online remote monitoring of fluid power systems. PMD can be programmed for

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Kharisma, Mila, Iwan Sugriwan, and Ade Agung Harnawan. "Pembuatan Alat Ukur Multi Kanal Kelembaban Tanah Berbasis Mikrokontroler Arduino Uno." Jurnal Fisika FLUX 1, no. 1 (2019): 107. http://dx.doi.org/10.20527/flux.v1i1.6153.

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Soil moisture very important to be measured per unit of time, especially in peat soils that have high porosity value. The measuring device for detection of soil moisture is realized on this research. The soil moisture measuring instrument is built by three main blocks of an instrument, that are four soil moisture sensors YL-69s, Arduino Uno as measurement processing unit that equipped with sd card as data storage unit and 20x4 character LCD as a display unit of the measurement result. The span value of the measuring device ranges from 0% to 95 % with deviation from 0% to 4.88%.The advantages o

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Smirnov, M. T. "Analysis of measuring capabilities and empirical model of instrumental distortions of ZOND-PP satellite microwave L-band radiometric instrument for calibration and data processing." Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa 13, no. 6 (2016): 273–85. http://dx.doi.org/10.21046/2070-7401-2016-13-6-273-285.

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