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2021 Vol. 42, No. 4
Published: 28 April 2021
401
A Transformer Voltage Series Method Based on Three-Port Network
ZHOU Feng, LEI Min, Wang Le-ren, YIN Xiao-dong, LIU Hao
DOI: 10.3969/j.issn.1000-1158.2021.04.01
2021 Vol. 42 (4): 401-408 [
Abstract
] (
258
)
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(1123 KB) (
179
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409
Nonlinear Mechanism and Calibration Technology ofFiber-Optic DC High Current Sensor
LI Qi,LI Chuan-sheng,LIANG Bo,CAI Jin-hui,SHAO Hai-ming,MEI Guo-jian
DOI: 10.3969/j.issn.1000-1158.2021.04.02
2021 Vol. 42 (4): 409-414 [
Abstract
] (
300
)
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(1 KB)
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(1027 KB) (
539
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415
Lion Swarm Optimization Based on Chaotic Search Strategy and Application in Parameters Identification of Photovoltaic Cell Models
WU Zhong-qiang,XIE Zong-kui,LIU Chong-yang,WANG Guo-yong
DOI: 10.3969/j.issn.1000-1158.2021.04.03
2021 Vol. 42 (4): 415-423 [
Abstract
] (
230
)
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(1 KB)
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(2735 KB) (
281
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424
Application in Power Quality Analysis Based on Multifractal Detrended Fluctuation Analysis and Improved Decision Tree
ZHANG Shu-qing,ZHANG Yun,LIU Hai-tao,HU Hao,LI Hua,YAO Yu-yong,LIU Yong,WANG Tao
DOI: 10.3969/j.issn.1000-1158.2021.04.04
2021 Vol. 42 (4): 424-431 [
Abstract
] (
228
)
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(3180 KB) (
259
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432
Research on the Position Sensor Precision Effect for Pulsating Torque Suppression of Permanent Magnet Brush-less DC Motor
ZHU Gao-lin,XIAO Yao-jian,ZHAO Hao,FENG Hao
DOI: 10.3969/j.issn.1000-1158.2021.04.05
2021 Vol. 42 (4): 432-437 [
Abstract
] (
227
)
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(3863 KB) (
291
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438
Nano-particle Size Measurement by Multi-angle Dynamic Light Scattering Based on FPGA High-speed Signal Acquisition
ZHANG Ze-rui,HUANG Lu,GAO Si-tian,CAI Jin-hui,SUN Miao,CUI Zhen
DOI: 10.3969/j.issn.1000-1158.2021.04.06
2021 Vol. 42 (4): 438-444 [
Abstract
] (
254
)
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(1 KB)
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(3629 KB) (
418
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445
Path Planning and Formation Research of Micro Mobile Robots
LI Jiang-hao,YAN Ya-nan,PENG Dan
DOI: 10.3969/j.issn.1000-1158.2021.04.07
2021 Vol. 42 (4): 445-450 [
Abstract
] (
269
)
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(1 KB)
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(885 KB) (
191
)
451
Visual On-line Measurement Algorithm for Thickness Dimension of Nylon Zipper under Vibration Condition
HONG Tao,CHENG Cheng
DOI: 10.3969/j.issn.1000-1158.2021.04.08
2021 Vol. 42 (4): 451-457 [
Abstract
] (
239
)
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(1 KB)
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(1283 KB) (
170
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458
Development of Miniature Double Temperature Fixed Point Cell
ZENG Jia-xu,PAN Jiang,SUN Jian-ping,YANG Yue,ZHU Tian-meng,WANG Cheng-ke
DOI: 10.3969/j.issn.1000-1158.2021.04.09
2021 Vol. 42 (4): 458-462 [
Abstract
] (
247
)
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(1605 KB) (
132
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463
Virtual Sampling of Fired Coal in Power Plant and Evaluation of Uncertainty of Mean Calorific Value
LIU Fu-guo,GUO Qin-guang,YIN Bing-yi,WANG Shou-en
DOI: 10.3969/j.issn.1000-1158.2021.04.10
2021 Vol. 42 (4): 463-468 [
Abstract
] (
215
)
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(1 KB)
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(1568 KB) (
332
)
469
Research on Measurement Method of Particle Size Based on Image Light Scattering
QU Pei-yu,JIANG Yu,SU Ming-xu,CAI Xiao-shu
DOI: 10.3969/j.issn.1000-1158.2021.04.11
2021 Vol. 42 (4): 469-475 [
Abstract
] (
230
)
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(1 KB)
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(3162 KB) (
573
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476
ECT Image Reconstruction Algorithm Based on Depth Belief Network
MA Min,SUN Ying,FAN Guang-yong
DOI: 10.3969/j.issn.1000-1158.2021.04.12
2021 Vol. 42 (4): 476-482 [
Abstract
] (
212
)
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(2580 KB) (
366
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483
Research on Key Technology of Coriolis Mass Flowmeter for Measuring Flow Rate of Gas Containing Liquid
XU Hao-ran,XU Ke-jun,ZHANG Lun,LIU Wen,YUE Jing,HUANG Ya,LIU Chen-ci
DOI: 10.3969/j.issn.1000-1158.2021.04.13
2021 Vol. 42 (4): 483-494 [
Abstract
] (
265
)
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(1 KB)
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(1974 KB) (
490
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495
Three Dimensional Force Sensor for Biomechanical Measurement Based on Capacitance Principle
YANG Shu-yan,SUN Dong-jie,LI Dan-ruo,SONG Ai-guo
DOI: 10.3969/j.issn.1000-1158.2021.04.14
2021 Vol. 42 (4): 495-502 [
Abstract
] (
285
)
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(1 KB)
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(2224 KB) (
471
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503
A Novel Demodulation Method Based on Partial Period Curve-fitting for FM Signal in Impulse Acceleration Calibration by Using Laser Interference Methods
LIANG Zhi-guo
DOI: 10.3969/j.issn.1000-1158.2021.04.15
2021 Vol. 42 (4): 503-510 [
Abstract
] (
225
)
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(1 KB)
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(3076 KB) (
172
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511
Design of Fixed Focus System for Laser Velocimeter
Lü Dan,LIN Jun,ZHOU Jian
DOI: 10.3969/j.issn.1000-1158.2021.04.16
2021 Vol. 42 (4): 511-514 [
Abstract
] (
196
)
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(1 KB)
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(667 KB) (
188
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515
Institute of Electrical Engineering, YanShan University, Qinhuangdao, Hebei 066004, China
ZHANG Li-guo,CHENG Yao,JIN Mei,WANG Na
DOI: 10.3969/j.issn.1000-1158.2021.04.17
2021 Vol. 42 (4): 515-520 [
Abstract
] (
267
)
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(2399 KB) (
502
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521
Measurement and Research for the Filtered X-ray Radiation Quality of Low Air Kerma Rate Series
WANG Peng,XING Li-teng,JIANG Wei
DOI: 10.3969/j.issn.1000-1158.2021.04.18
2021 Vol. 42 (4): 521-525 [
Abstract
] (
250
)
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(1 KB)
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(783 KB) (
258
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526
Research on Accurate Measurement of Low Concentration Nitric Oxide in High Temperature Water-containing Flue Gas Based on FTIR Spectrometer
Lü Hong-zhen,MA Ruo-meng,ZHANG Liang,LIN Hong,FENG Xiao-juan,FANG Li-de,ZHANG Jin-tao
DOI: 10.3969/j.issn.1000-1158.2021.04.19
2021 Vol. 42 (4): 526-531 [
Abstract
] (
289
)
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(2334 KB) (
534
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532
The Influence of Air Inlet Flow Rate on the Capture Efficiency of PM2.5 Cutter
LIU Jia-qi,ZHANG Guo-cheng,ZHAO Xiao-ning,WU Dan,JING Wen-jie
DOI: 10.3969/j.issn.1000-1158.2021.04.20
2021 Vol. 42 (4): 532-536 [
Abstract
] (
280
)
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(1 KB)
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(1343 KB) (
217
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537
Detection of Novel Coronavirus Pneumonia Based on CT Image with Convolutional Neural Network Processing
GUO Bao-su,ZHUANG Ji-chao,WU Feng-he,CHE Xiao-shuang,YUAN Lin-dong,QI Jun
DOI: 10.3969/j.issn.1000-1158.2021.04.21
2021 Vol. 42 (4): 537-544 [
Abstract
] (
252
)
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(3419 KB) (
567
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