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Gotowe bibliografie tematyczne / Single phase sampling

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Gotowa bibliografia na temat „Single phase sampling”

Autor: Grafiati

Data publikacji: 8 września 2023

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Artykuły w czasopismach na temat "Single phase sampling"

1

Arun, K., and K. Selvajyothi. "Single Phase Variable Sampling Phase Locked Loop using Composite Observer." Indonesian Journal of Electrical Engineering and Computer Science 2, no. 1 (2016): 49. http://dx.doi.org/10.11591/ijeecs.v2.i1.pp49-60.

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<p>An observer based variable sampling period phase locked loop is introduced for grid connected systems. The composite observer acts as an efficient estimator of the fundamental components from a periodic input signal rich in DC and harmonics. The observer gains are designed using pole placement technique, which inherently ensures the stability of this estimator. Even under drift frequency, a constant number of samples (512) per cycle are maintained with the help of the numerically controlled oscillator. This makes the oscillator gain elements in the observer a constant and eliminates t

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2

Hu, Xinyao, Hao Zhang, Qian Zhao, Panpan Yu, Yinmei Li, and Lei Gong. "Single-pixel phase imaging by Fourier spectrum sampling." Applied Physics Letters 114, no. 5 (2019): 051102. http://dx.doi.org/10.1063/1.5087174.

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3

Shields, Taylor, Adetunmise C. Dada, Lennart Hirsch, et al. "Electro-Optical Sampling of Single-Cycle THz Fields with Single-Photon Detectors." Sensors 22, no. 23 (2022): 9432. http://dx.doi.org/10.3390/s22239432.

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Electro-optical sampling of Terahertz fields with ultrashort pulsed probes is a well-established approach for directly measuring the electric field of THz radiation. This technique usually relies on balanced detection to record the optical phase shift brought by THz-induced birefringence. The sensitivity of electro-optical sampling is, therefore, limited by the shot noise of the probe pulse, and improvements could be achieved using quantum metrology approaches using, e.g., NOON states for Heisenberg-limited phase estimation. We report on our experiments on THz electro-optical sampling using si

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4

Sud, U. C., Hukum Chandra, and V. K. Gupta. "Calibration-Based Product Estimator in Single- and Two-Phase Sampling." Journal of Statistical Theory and Practice 8, no. 1 (2013): 1–11. http://dx.doi.org/10.1080/15598608.2014.840487.

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5

Ri, Shien, Takashi Muramatsu, and Masumi Saka. "A Phase Compensation Technique of Sampling Moiré Method for Accurate Single-Shot Phase Analysis." Applied Mechanics and Materials 70 (August 2011): 243–48. http://dx.doi.org/10.4028/www.scientific.net/amm.70.243.

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Recently, a technique for fast and accurate phase analysis called sampling moiré method has been developed for measurement of small-displacement distribution. In this study, a distribution of phase error caused by linear interpolation in case with mismatch between the sampling pitch and the grating pitch is theoretically analyzed. Moreover, a technique for effective phase compensation is proposed to reduce the periodic phase error. The performance of our compensation method is validated by a computer simulation. Phase analysis can be performed more accurately even in the case that the sampling

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6

Parker, Robert C., and David L. Evans. "LiDAR Forest Inventory with Single-Tree, Double-, and Single-Phase Procedures." International Journal of Forestry Research 2009 (2009): 1–6. http://dx.doi.org/10.1155/2009/864108.

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Light Detection and Ranging (LiDAR) data at 0.5–2 m postings were used with double-sample, stratified procedures involving single-tree relationships in mixed, and single species stands to yield sampling errors ranging from % to %. LiDAR samples were selected with focal filter procedures and heights computed from interpolated canopy and DEM surfaces. Tree dbh and height data were obtained at various ratios of LiDAR, ground samples for DGPS located ground plots. Dbh-height and ground-LiDAR height models were used to predict dbh and compute Phase 2 estimates of basal area and volume. Phase 1 esti

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7

Dar, Amber Yousaf, Nadia Saeed, Moustafa Omar Ahmed Abu-Shawiesh, Saman Hanif Shahbaz, and Muhammad Qaiser Shahbaz. "A new class of ratio type estimators in single- and two-phase sampling." AIMS Mathematics 7, no. 8 (2022): 14208–26. http://dx.doi.org/10.3934/math.2022783.

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<abstract> <p>The estimation of a certain population characteristics is required for several situations. The estimates are built so that the error of estimation is minimized. In several situations estimation of the population mean is required. Different estimators for the mean are available but, there is still room for improvement. In this paper, a new class of ratio-type estimators is proposed for the estimation of the population mean. The estimators are proposed for single- and two-phase sampling schemes. The expressions for bias and mean square error are obtained for single-phas

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8

Pei, Yu Jie, Yun Shan Zhang, Jian Guo Xu, et al. "Implementation of Single Phase Locked Loop Based on FPGA and its Application in SVC." Advanced Materials Research 986-987 (July 2014): 1826–32. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.1826.

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Whereas three-phase phase locked loop could not get accurate phase position under three-phase unbalanced condition of the power grid, the design of single phase locked loop is implemented in the principle of single phase locked loop, based on FPGA technology. the paper explains design difficulties of single phase locked loop in detail, puts forward adaptive sampling scheme using single phase locked loop under variable frequency, increases accuracy of SVC sampling system. And tests response speed of phase locked loop via Real Time Digital Simulator for Power Systems (RTDS), through final verifi

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9

Tang, Yaojing, Yongle Chang, Jinrui Tang, Bin Xu, Mingkang Ye, and Hongbo Yang. "A Novel Faulty Phase Selection Method for Single-Phase-to-Ground Fault in Distribution System Based on Transient Current Similarity Measurement." Energies 14, no. 15 (2021): 4695. http://dx.doi.org/10.3390/en14154695.

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In modern electrical power distribution systems, the effective operation of inverter-based arc suppression devices relies on the accuracy of faulty phase selection. In the traditional methods of faulty phase selection for single-phase-to-ground faults (SPGs), power frequency-based amplitude and phase characteristics are used to identify the faulty phase. In the field, when a high-resistance SPG occurs in the system, traditional methods are difficult for accurately identifying the faulty phase because of the weak fault components and complicated process. A novel realizable and effective method

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10

Kung’u, John, and Leo Odongo. "Ratio-Cum-Product Estimator Using Multiple Auxiliary Attributes in Single Phase Sampling." Open Journal of Statistics 04, no. 04 (2014): 239–45. http://dx.doi.org/10.4236/ojs.2014.44023.

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