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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] ( 283 ) HTML (1 KB)  PDF (1123 KB)  ( 222 )
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] ( 335 ) HTML (1 KB)  PDF (1027 KB)  ( 670 )
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] ( 253 ) HTML (1 KB)  PDF (2735 KB)  ( 392 )
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] ( 254 ) HTML (1 KB)  PDF (3180 KB)  ( 300 )
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] ( 257 ) HTML (1 KB)  PDF (3863 KB)  ( 348 )
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] ( 274 ) HTML (1 KB)  PDF (3629 KB)  ( 592 )
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] ( 299 ) HTML (1 KB)  PDF (885 KB)  ( 306 )
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] ( 264 ) HTML (1 KB)  PDF (1283 KB)  ( 208 )
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] ( 277 ) HTML (1 KB)  PDF (1605 KB)  ( 147 )
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] ( 233 ) HTML (1 KB)  PDF (1568 KB)  ( 529 )
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] ( 256 ) HTML (1 KB)  PDF (3162 KB)  ( 635 )
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] ( 240 ) HTML (1 KB)  PDF (2580 KB)  ( 417 )
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] ( 294 ) HTML (1 KB)  PDF (1974 KB)  ( 555 )
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] ( 330 ) HTML (1 KB)  PDF (2224 KB)  ( 655 )
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] ( 247 ) HTML (1 KB)  PDF (3076 KB)  ( 233 )
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] ( 207 ) HTML (1 KB)  PDF (667 KB)  ( 215 )
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] ( 297 ) HTML (1 KB)  PDF (2399 KB)  ( 612 )
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] ( 277 ) HTML (1 KB)  PDF (783 KB)  ( 455 )
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] ( 322 ) HTML (1 KB)  PDF (2334 KB)  ( 693 )
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] ( 315 ) HTML (1 KB)  PDF (1343 KB)  ( 268 )
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] ( 279 ) HTML (1 KB)  PDF (3419 KB)  ( 598 )
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