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Thematische Bibliographien / Anti-aliasing filter / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Anti-aliasing filter“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 4. Februar 2022

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1

DEKHANDJI, Fatma Zohra. "Design Optimization of PMU Anti-Aliasing Filters using Taguchi Method." Algerian Journal of Signals and Systems 5, no. 4 (2020): 215–19. http://dx.doi.org/10.51485/ajss.v5i4.119.

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A Phasor Measurement Unit (PMU) is a monitoring device, which serves in checking the power system condition by measuring voltage and current phasors along with frequency at a particular node. The basic structure of PMU consists of Synchronization Unit, Measurement Unit and Data Transmission Unit. The Measurement Unit has three components: Anti-aliasing filters, Analog-to-Digital Converter and Phasor measurement Unit/ Processor. An anti-aliasing filter ensures that all the analog signals have the same phase shift and attenuation thus assuring that the phase angle differences and relative magnit

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2

Jiang, Xi Meng. "Research of Computer Aided Design for Anti-Aliasing Filter Based on MATLAB." Applied Mechanics and Materials 88-89 (August 2011): 145–49. http://dx.doi.org/10.4028/www.scientific.net/amm.88-89.145.

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Anti-aliasing filter is widely used in the field of communication and the information collecting system. Generally, anti-aliasing filter is consisted with a low-pass filter, which possesses rapid roll-off rate. In order to ensure that there will be a very smooth amplitude frequency characteristic, the high order Butterworth low-pass filter is adopted to work as anti-aliasing filter. As we know, to design this kind of high order low-pass filter will involve large amount of manual calculation. In order to reduce the manual calculation job, which is meaningless and reduplicated, in this paper, a

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3

Luo, Dening, and Jianwei Zhang. "The #-Filter Anti-Aliasing Based on Sub-Pixel Continuous Edges." Mathematics 8, no. 10 (2020): 1655. http://dx.doi.org/10.3390/math8101655.

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Anti-aliasing plays a decisive role in enhancing immersion experience in games and 3D visualization fields. In general, hardware anti-aliasing is not directly compatible with deferred shading. It is challenging to detect geometry edges accurately from sub-pixel to alleviate artifacts. In this paper, we propose an anti-aliasing algorithm of the #-filter anti-aliasing based on sub-pixel continuous edges. It can solve the geometry edges aliasing and the flicker problem in deferred shading. First, the geometry scene with multi-sampling anti-aliasing (MSAA) is rendered to a G-Buffer designed elabor

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4

Xu, Xiaomei. "An anti-aliasing filter for ΣΔ ADC". Journal of Electronics (China) 19, № 3 (2002): 311–14. http://dx.doi.org/10.1007/s11767-002-0057-4.

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5

Hou, Zhuo, Sanmin Shen, Yong Ye, et al. "Research on the Linear Acceleration Sensor Signal Acquisition Technology Based on the High-Order Anti-Aliasing Cauer Filter." Journal of Circuits, Systems and Computers 29, no. 01 (2019): 2050008. http://dx.doi.org/10.1142/s0218126620500085.

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A linear acceleration sensor integrated into an inertial measurement unit and its signal processing technology are presented in this paper. Based on the characteristics of the acceleration sensor, before analog-to-digital conversion, a design method for optimizing and conditioning the output signal in levels of frequency with the high-order anti-aliasing Cauer filter is proposed. Compared with the previously published papers, here we not only focus on the anti-aliasing filtering effect under a single channel, but also pay more attention to the anti-aliasing filtering effect with more data to t

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6

Kim, Wook-Joong, Nam-Ho Hur, and Jin-Woong Kim. "Geometric analysis and anti-aliasing filter for stereoscopic 3D image scaling." Journal of Broadcast Engineering 14, no. 5 (2009): 638–49. http://dx.doi.org/10.5909/jbe.2009.14.5.638.

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7

Chikada, Yoshihiro. "A Novel Method for Suppression of Aliasing Ghosts." Symposium - International Astronomical Union 129 (1988): 529–30. http://dx.doi.org/10.1017/s007418090013551x.

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8

Brtník, Bohumil. "Combination of HP and LP filters for narrow band antialiasing filter." Journal of Electrical Engineering 72, no. 4 (2021): 283–86. http://dx.doi.org/10.2478/jee-2021-0040.

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Abstract The discrete time signal processing requires an anti-aliasing filter at the input and a reconstruction filter at output. Some filters of biquads structure are characterized by a decreasing of the attenuation at high frequencies, caused by the final value of the output resistance of the operational amplifier. In this paper we discuss a design of combined BP filter without mentioned decrease. The proposed filter structure was verified by SPICE simulation.

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Lee, Sang Won, Ryungkee Chang, and Sucbei Moon. "Optimized Optomechanical Anti-Aliasing Filter for Digital Camera Photography." Journal of the Optical Society of Korea 19, no. 5 (2015): 456–66. http://dx.doi.org/10.3807/josk.2015.19.5.456.

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10

Ren, Xue Hai, and Fang Qi Yu. "A Novel Octave Filter Bank Design Method Based upon Cascaded Filters." Advanced Materials Research 834-836 (October 2013): 1122–27. http://dx.doi.org/10.4028/www.scientific.net/amr.834-836.1122.

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A novel octave or fractional octave filter design method is presented here. In this method, a cascaded IIR filter is applied to overcome the Finite Word-Length Effect. Compared with the traditional octave filter bank, this method does not require 1/2 extraction or a corresponding anti-aliasing filter. The filter frequency response is improved. Filter attenuation values conform to the standard IEC1260-1995 defined class 0 filters. Simulation and experimental studies shows that the filter bank obtains a more accurate result than does the traditional method, especially in the low-frequency part.

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11

Abd El-Gelil, Mahmoud, Spiros Pagiatakis, and Ahmed El-Rabbany. "On the Potential of Least Squares Response Method for the Calibration of Superconducting Gravimeters." International Journal of Geophysics 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/741729.

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One of the most important operating procedures after the installation of a superconducting gravimeter (SG) is its calibration. The calibration process can identify and evaluate possible time variability in the scale factor and in the hardware anti-aliasing filter response. The SG installed in Cantley, Canada is calibrated using two absolute gravimeters and the data are analysed in the time and frequency domains to estimate the SG scale factor. In the time domain, we use the weighted linear regression method whereas in the frequency domain we use the least squares response method. Rigorous stat

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12

Shtrauss, Vairis. "Time-domain aliasing and anti-aliasing effects in differentiating a band-unlimited signal." MATEC Web of Conferences 210 (2018): 05005. http://dx.doi.org/10.1051/matecconf/201821005005.

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In this paper, we investigate time-domain errors occurring in the two extreme discrete-time differentiation modes of band-unlimited signals: in the full-band processing mode and in the processing mode with ideal anti-aliasing filtering (AAF) with a cut-off at the Nyquist frequency. We disclosed that regardless sampling frequency the error from AAF is greater than the aliasing error. It is found that type IV differentiators designed by three commonly known digital filter design methods approximately equally process the high frequency portion of the signal above the Nyquist frequency with nearly

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13

Carroll, J., and D. Huber. "A fiber-optic hydrophone with a mechanical anti-aliasing filter." Journal of Lightwave Technology 4, no. 1 (1986): 83–86. http://dx.doi.org/10.1109/jlt.1986.1074632.

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14

Wu, Tzu-Fan, Sourya Dey, and Mike Shuo-Wei Chen. "A Nonuniform Sampling ADC Architecture With Reconfigurable Digital Anti-Aliasing Filter." IEEE Transactions on Circuits and Systems I: Regular Papers 63, no. 10 (2016): 1639–51. http://dx.doi.org/10.1109/tcsi.2016.2586523.

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15

Latiri, A., L. Joet, P. Desgreys, and P. Loumeau. "Passive second-order anti-aliasing filter for RF sampling based receivers." Electronics Letters 43, no. 1 (2007): 56. http://dx.doi.org/10.1049/el:20073341.

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16

Gaoqing, He, Han Jiang, Liang Leilei, and Xiao Jian. "Research on Multi-Order Anti-Aliasing Filter in Bearing Profile Detection." Journal of Physics: Conference Series 1605 (August 2020): 012106. http://dx.doi.org/10.1088/1742-6596/1605/1/012106.

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17

Sun, Hai Yan, Chun Liang Zhang, and Sen Li. "Based on Rotating Machinery Data Acquisition System Anti-Aliasing Filter Design and Application." Advanced Materials Research 328-330 (September 2011): 2328–32. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.2328.

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In this work, on the basis of the analysis of the component of traditional data acquisition system, and in view of the design requirement of data acquisition system for the process of rotating machinery testing and fault diagnosis, adopt the integrated with AD module based on the 8th -order low pass elliptic switched-capacitor filter MAX297 for filtering, thereby proposes a portable data acquisition system. And it gives the design proposal of anti-aliasing filter according to the design requirement, and illustrates the principle of filtering and accomplished the corresponding hardware circuit.

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18

Cho, Sanghee, Ron Grazioso, Nan Zhang, Mehmet Aykac, and Matthias Schmand. "Digital timing: sampling frequency, anti-aliasing filter and signal interpolation filter dependence on timing resolution." Physics in Medicine and Biology 56, no. 23 (2011): 7569–83. http://dx.doi.org/10.1088/0031-9155/56/23/015.

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19

Ramet, S. "A low-distortion anti-aliasing/smoothing filter for sampled data integrated circuits." IEEE Journal of Solid-State Circuits 23, no. 5 (1988): 1267–70. http://dx.doi.org/10.1109/4.5955.

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20

Lejun Yu, Jintao Li, Yongdong Zhang, and Yanfei Shen. "Motion Adaptive Deinterlacing with Accurate Motion Detection and Anti-Aliasing Interpolation Filter." IEEE Transactions on Consumer Electronics 52, no. 2 (2006): 712–17. http://dx.doi.org/10.1109/tce.2006.1649702.

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21

van Bemmel, J. H., R. J. A. Schijvenaars, and J. A. Kors. "Reconstruction of Repetitive Signals." Methods of Information in Medicine 33, no. 01 (1994): 41–45. http://dx.doi.org/10.1055/s-0038-1634986.

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Abstract:A technique is presented for the reconstruction of signals that suffered sampling-frequency decimation. Two assumptions are made: the original signal has to be repetitive, and no anti-aliasing filter has been used before frequency decimation. The performance of the technique is assessed by using test signals of which the original signal is known.

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22

Lo, Chi-Hsiang. "A 6 mW 750 MHz anti-aliasing filter for receiver analog front-end." Analog Integrated Circuits and Signal Processing 79, no. 3 (2014): 599–604. http://dx.doi.org/10.1007/s10470-014-0293-1.

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23

Barrak, Rim, Ali Othman, Ghalid Idir Abib, Muriel Muller, Mohamed Mabrouk, and Adel Ghazel. "Design of a Tunable Anti-Aliasing Filter for Multistandard RF Subsampling GNSS Receivers." IEEE Transactions on Circuits and Systems II: Express Briefs 66, no. 2 (2019): 207–11. http://dx.doi.org/10.1109/tcsii.2018.2848976.

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24

Kawase, Maru, Kazuma Shinoda, and Madoka Hasegawa. "Demosaicking Using a Spatial Reference Image for an Anti-Aliasing Multispectral Filter Array." IEEE Transactions on Image Processing 28, no. 10 (2019): 4984–96. http://dx.doi.org/10.1109/tip.2019.2910392.

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25

Benson, Alvin K. "An anti-spatial-aliasing filter for explicit modeling and imaging in inhomogeneous media." Journal of Computational Physics 98, no. 2 (1992): 348. http://dx.doi.org/10.1016/0021-9991(92)90157-t.

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26

Benson, Alvin K. "An anti -spatial -aliasing filter for explicit modeling and imaging in inhomogeneous media." Journal of Computational Physics 99, no. 2 (1992): 183–89. http://dx.doi.org/10.1016/0021-9991(92)90199-9.

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27

Chermain, Xavier, Simon Lucas, Basile Sauvage, Jean-Michel Dischler, and Carsten Dachsbacher. "Real-Time Geometric Glint Anti-Aliasing with Normal Map Filtering." Proceedings of the ACM on Computer Graphics and Interactive Techniques 4, no. 1 (2021): 1–16. http://dx.doi.org/10.1145/3451257.

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Real-time geometric specular anti-aliasing is required when using a low number of pixel samples and high-frequency specular lobes. Several methods have been proposed for mono-lobe bidirectional reflection distribution functions (BRDFs), but none for multi-lobe BRDFs, e.g., a glinty BRDF. We present the first method for real-time geometric glint anti-aliasing (GGAA). It eliminates most of the inconsistent appearing and disappearing of glints on surfaces with significant curvatures during animations. The technique uses the glinty BRDF of Chermain et al. [2020] and leverages hardware GPU-filterin

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28

Alraho, Senan, Qummar Zaman, and Andreas König. "Wide Programmable Range Fourth-Order, Fully-Differential Sallen-Key MOSFET-C LPF for Impedance Spectroscopy Measurements and Self-X Sensory Electronics in Industry 4.0." tm - Technisches Messen 88, s1 (2021): s77—s82. http://dx.doi.org/10.1515/teme-2021-0064.

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Abstract This paper picks up the need for a wide range programmable corner frequency for anti-aliasing and antiimaging filters in on-chip impedance spectroscopy and sensor signal readout circuitry with self-X properties (selfdiagnosing/healing) for industry 4.0 applications. A fourthorder wide tunable range MOSFET-C low pass filter is designed by using XFAB 0.35 μm CMOS technology and Cadence design tools. The proposed circuit is based on fully differential Sallen-Key architecture with Butterworth approximation. It covers a frequency range from 30 Hz up to 7 MHz. Tunability is achieved using a

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29

Aboutabikh, Dr Kamal, Dr Ibrahim Haidar, Dr Nader Aboukerdah, and Dr Amer Garib. "Design and Implementation of a Digital Anti-Aliasing Filter using FPGA for Communication Systems." IJARCCE 4, no. 11 (2015): 6–13. http://dx.doi.org/10.17148/ijarcce.2015.41102.

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30

Wang, Zefeng, Yongming Hu, Zhou Meng, and Ming Ni. "Fiber-optic hydrophone using a cylindrical Helmholtz resonator as a mechanical anti-aliasing filter." Optics Letters 33, no. 1 (2007): 37. http://dx.doi.org/10.1364/ol.33.000037.

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31

Xu, Jingbo, Xiaohong Xu, Pengyu Yang, Haijun Lin, and Xin Guo. "The Design of Anti-aliasing Analog Filter for Data Acquisition in the Surface Measurement." International Journal of Signal Processing, Image Processing and Pattern Recognition 7, no. 5 (2014): 169–76. http://dx.doi.org/10.14257/ijsip.2014.7.5.14.

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32

Ding, Chen, Ya Wen Dai, Peng Li, Yang Sun, Wei Zheng Wang, and Jia Wei Shen. "The Design of Data Acquisition System in Wireless Dynamic Strain Acquisition Technology." Applied Mechanics and Materials 607 (July 2014): 673–76. http://dx.doi.org/10.4028/www.scientific.net/amm.607.673.

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Dynamic strain acquisition technology is becoming increasingly important in industrial production. Compared with the static strain acquisition technology,the dynamic stain acquisition technology provided a much wider range of frequencies from 0~100KHz which required a much more accurate data acquisition system. This paper proposed an accurate data acquisition system which included electric bridge、constant current source、signal amplifier and anti-aliasing filter. This system has largely suppressed noise and increased the performance of the dynamic strain acquisition.

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Wu, Tzu-Fan, Cheng-Ru Ho, and Mike Shuo-Wei Chen. "A Flash-Based Non-Uniform Sampling ADC With Hybrid Quantization Enabling Digital Anti-Aliasing Filter." IEEE Journal of Solid-State Circuits 52, no. 9 (2017): 2335–49. http://dx.doi.org/10.1109/jssc.2017.2718671.

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34

Zhang, Zong Jiu. "A Single-Phase Electric Harmonic Monitoring System Design Based on the LabVIEW." Advanced Materials Research 605-607 (December 2012): 664–68. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.664.

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This is a single-phase electric harmonic monitoring device based on the LabVIEW. It includes the detection and conversion circuit, anti aliasing filter circuit, data acquisition card, and PC software monitoring section. With the simple structure and easy hardware upgrade maintenance utility software, it can be used to store the historical data on line, query and monitor the power quality on line with the single phase power. The simulation results show that the system has the features of easy using, high precision, and good reliability.

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35

René, R. M. "Reply by the author to B. J. Evans." GEOPHYSICS 52, no. 6 (1987): 815. http://dx.doi.org/10.1190/1.1486960.

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I wish to thank Dr. Evans for his comments. In the data of the subject paper, hodograms differ from particle motion for frequency components below the resonant frequency of the geophone (8 Hz) or above the corner frequency of the anti‐aliasing filter (125 Hz). The necessity of compensation for phase response depends upon the nature of the signal and purpose of the study. The method of multicomponent complex trace analysis is largely concerned with phase differences between vertical and horizontal components of motion.

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Wook-Joong Kim, Seong-Dae Kim, and Jinwoong Kim. "Analysis on the Spectrum of a Stereoscopic 3-D Image and Disparity-Adaptive Anti-Aliasing Filter." IEEE Transactions on Circuits and Systems for Video Technology 19, no. 10 (2009): 1561–65. http://dx.doi.org/10.1109/tcsvt.2009.2026801.

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37

Ma, Jian Zhong, Xin Wu Chen, and Li Juan Zhong. "Contourlet-S Texture Image Retrieval System." Advanced Materials Research 433-440 (January 2012): 3408–12. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.3408.

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Contourlet transform is better in direction information representation than wavelet transform which has been studied in retrieval systems and has been shown that it is superior to wavelet ones at retrieval rate. In order to improve the retrieval rate further, an anti-aliasing contourlet-S transform based texture image retrieval system was proposed. In this system, the contourlet transform was constructed by anti-aliasing non-subsampled Laplacian pyramid cascaded by critical sub-sampled directional filter banks, sub-bands energy and standard deviations in contourlet domain are cascaded to form

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Alkhorshid, Daniel Rostami, Seyyedeh Fatemeh Molaeezadeh, and Mikaeil Rostami Alkhorshid. "Analysis: Electroencephalography Acquisition System: Analog Design." Biomedical Instrumentation & Technology 54, no. 5 (2020): 346–51. http://dx.doi.org/10.2345/0899-8205-54.5.346.

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Abstract Electroencephalography (EEG) is a sensitive and weak biosignal that varies from person to person. It is easily affected by noise and artifacts. Hence, maintaining the signal integrity to design an EEG acquisition system is crucial. This article proposes an analog design for acquiring EEG signals. The proposed design consists of eight blocks: (1) a radio-frequency interference filter and electro-static discharge protection, (2) a preamplifier and second-order high-pass filter with feedback topology and an unblocking mechanism, (3) a driven right leg circuit, (4) two-stage main and vari

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Keller, M., A. Buhmann, M. Kuderer, and Y. Manoli. "On the synthesis and optimization of cascaded continuous-time Sigma-Delta modulators." Advances in Radio Science 4 (September 6, 2006): 293–97. http://dx.doi.org/10.5194/ars-4-293-2006.

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Abstract. Up to now, there exist two completely different approaches for the synthesis of cascaded CT Sigma-Delta modulators. While the first method is based on a DT prototype and thus on the application of a DT-to-CT transformation, the second one is entirely performed in the CT domain. In this contribution, the method of lifting will be applied to overcome the disadvantages afflicted with the first method (e.g. less ideal anti-aliasing filter performance, increased circuit complexity) and to establish a time efficient DT simulation model for the second method. Thereby, optimal modulator coef

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Chen, Lei, and Zhong Dong Wang. "Temperature Measurement and Control of Fiber Drawing Furnace Based on Virtual Instrument." Advanced Materials Research 529 (June 2012): 507–11. http://dx.doi.org/10.4028/www.scientific.net/amr.529.507.

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The temperature in fiber drawing is one of the key factors influencing fiber’s performance. To the temperature measurement and control problem, the four-wire lead configuration of Pt100 with current excitation was adopted, the signal conditioning circuit includes constant current source, instrumentation amplifier and anti-aliasing filter. The computer collected signals from the conditioning circuit and output control signals by data acquisition card PCI-6221M. The software program was based on LabVIEW, the function relationship between resistance and temperature based on international thermome

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Li, Shu Chang, Hai Shan Zhang, and Zi Zhong Tan. "The Design of Vortex Flowmeter." Applied Mechanics and Materials 511-512 (February 2014): 1153–56. http://dx.doi.org/10.4028/www.scientific.net/amm.511-512.1153.

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This paper analysis the working mechanism and structure of vortex flowmeter and the street flow meter hardware circuit design. Signal conditioning circuit was designed including ultrasound transmitter receiver processing circuit, traffic signal conditioning circuit ,programmable amplifier and anti aliasing filter circuit.The temperature measuring circuit , infrared communication circuit and supersonic signal control electric circuit. These circuit to ultrasound dedicated chips UTA6902 as core. The vortex flowmeter was design of the design of liquid crystal display program, the design of temper

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Keresnyei, Róbert, Péter Megyeri, Zoltán Zidarics, and László Hejjel. "Selecting the optimal anti-aliasing filter for multichannel biosignal acquisition intended for inter-signal phase shift analysis." Physiological Measurement 36, no. 1 (2014): N23—N34. http://dx.doi.org/10.1088/0967-3334/36/1/n23.

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Luo, Jun, Qin Teng, and Peng An. "The Study of Signal Characteristics of Critical Sensors on a Coal-Bed Gas Engine." Applied Mechanics and Materials 130-134 (October 2011): 1109–13. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.1109.

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In order to solve the signal processing problems appeared in conventional engine control systems, the Discrete Fourier Transform (DFT) was used for frequency domain analysis, on this basis, it’s possible to make suggestions as to the selection of real-time sampling frequency and sensor signal averaging strategies as well as analog/digital anti-aliasing filter parameters in engine control system. To describe pumping fluctuations existing in model-based engine control system for a coal-bed engine, the pumping fluctuation models of air and fuel gas mass flow rate in intake manifold during steady-

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The, Yu-Kai, and Jens Timmer. "Analysis of single ion channel data incorporating time-interval omission and sampling." Journal of The Royal Society Interface 3, no. 6 (2005): 87–97. http://dx.doi.org/10.1098/rsif.2005.0078.

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Hidden Markov models are widely used to describe single channel currents from patch-clamp experiments. The inevitable anti-aliasing filter limits the time resolution of the measurements and therefore the standard hidden Markov model is not adequate anymore. The notion of time-interval omission has been introduced where brief events are not detected. The developed, exact solutions to this problem do not take into account that the measured intervals are limited by the sampling time. In this case the dead-time that specifies the minimal detectable interval length is not defined unambiguously. We

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MAGHAMI, MOHAMMAD HOSSEIN, та MOHAMMAD YAVARI. "LOW-VOLTAGE DOUBLE-SAMPLED HYBRID CT/DT ΣΔ MODULATOR FOR WIDEBAND APPLICATIONS". Journal of Circuits, Systems and Computers 19, № 08 (2010): 1743–51. http://dx.doi.org/10.1142/s0218126610007018.

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A hybrid continuous-time (CT)/discrete-time (DT) multi-stage noise-shaping (MASH) ΣΔ modulator architecture is presented. The double-sampling technique is employed in the DT second stage modulator. A flat and a unity signal transfer functions (STFs) are used in the first and second stage modulators, respectively, to make the modulator robust to nonlinearities of the analog circuitry and well suited for low-voltage applications without influencing the inherent anti-aliasing behavior of the first stage CT modulator. Unlike the conventional MASH architecture, this structure is insensitive to the

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Li, Juan, Yuan Hong Yang, and Shao Hua Jiao. "A Novel Real-Time Algorithm for Torsional Vibration Mode of Generator Sets Based on Rotation IIR Filter." Applied Mechanics and Materials 215-216 (November 2012): 1253–58. http://dx.doi.org/10.4028/www.scientific.net/amm.215-216.1253.

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The shafting torsional vibration mode of generator sets reflects dynamic process of the power grid. This paper proposes a novel real-time algorithm for shafting torsional vibration mode decomposition of generator sets, which has excellent time-frequency resolution. The algorithm realizes the signal frequency resolution filtering based on classic infinite impulse response (IIR) filtering. At the same time, the inertia of the narrow-band filtering algorithm is eliminated through multi-period rotation IIR filtering and the time-frequency dynamic resolution of the modal decomposition is realized.

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Lahouli, Rihab, Manel Ben-Romdhane, Chiheb Rebai, and Dominique Dallet. "Mixed baseband architecture based on FBD ΣΔ–based ADC for multistandard receivers." ACTA IMEKO 4, no. 3 (2015): 14. http://dx.doi.org/10.21014/acta_imeko.v4i3.258.

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<p>This paper presents the design and simulation results of a novel mixed baseband stage for a frequency band decomposition (FBD) analog-to-digital converter (ADC) in a multistandard receiver. The proposed FBD-based ADC architecture is flexible with programmable parallel branches composed of discrete time (DT) 4<sup>th</sup> order single-bit Sigma-Delta modulators. The mixed baseband architecture uses a single non-programmable anti-aliasing filter (AAF) avoiding the use of an automatic gain control (AGC) circuit. System level analysis proved that the proposed FBD architecture

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CHEONG, NGAI. "ANALYSIS OF MULTI-STAGE AND MULTI-RATE IIR SC DECIMATORS USING ISCMRATE." Journal of Circuits, Systems and Computers 23, no. 07 (2014): 1450093. http://dx.doi.org/10.1142/s0218126614500935.

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This paper describes an analysis of multi-stage and multi-rate IIR switched capacitor (SC) decimators using an interactive switched capacitor multi-rate compiler (ISCMRATE). Motivated by the experimental observations, the purpose of this paper is to explore a portion of characteristics for the multi-stage IIR SC decimators, with their implications in the context of a complete IIR SC filter. To overcome the limitations of conventional multi-stage IIR SC decimators, a novel solution has been introduced for the implementation of a multi-stage IIR SC circuit. Based on the statistical approach of t

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Luo, Yin, Yue Tang, Shou Qi Yuan, and Hui Wang. "Test System for Pressure Pulsation in Centrifugal Pump Based on Virtual Instrument Technology." Advanced Materials Research 346 (September 2011): 724–30. http://dx.doi.org/10.4028/www.scientific.net/amr.346.724.

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A system based on virtual instrument was set up to test and analyze the pressure pulsation in centrifugal pump. It had adjustable sampling time length and frequency which can avoid the disadvantages of data loss and redundancy caused by fixed sampling parameters. A signal preprocessing toolkit compiled by LabVIEW was set up, which can anti the aliasing of the signal by use of the low pass filter, decrease the noise in the concerned frequency by the wavelet de-noising and efficiently reduce the error caused by test system. Meanwhile, the signal’s frequency characteristic could be analyzed in th

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Li, De Xin. "Random Sampling Approaches for Implementation of FPGA in Signal Processing." Applied Mechanics and Materials 670-671 (October 2014): 1184–87. http://dx.doi.org/10.4028/www.scientific.net/amm.670-671.1184.

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Nowadays, digital front-end devices are widely used in large number of fields such as electronic appliances. Signals must be presented in an appropriate format, for example, the original analog signals must be converted into digital formats that can be recognized and used by digital equipment. In this paper, the random sampling technique is implemented by original design of a Pseudorandom Signal Sampler circuit for controlling ADC to relax constraints of receiver circuits supporting multiband signal processing. This new idea of using non-uniform sampling technique for multiband signals samplin

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