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2021 Vol. 42, No. 3
Published: 28 March 2021

 
265 Research on High Accuracy Mass Measurement of Silicon Sphere in the Dissemination of Mass Unit
PENG Cheng,WANG Jian
DOI: 10.3969/j.issn.1000-1158.2021.03.01
2021 Vol. 42 (3): 265-270 [Abstract] ( 311 ) HTML (1 KB)  PDF (684 KB)  ( 267 )
271 Research on High Accuracy Large Torque Standard Machine Based on Air Bearing Technology
ZHANG Zhi-min,ZHANG Yue,MENG Feng,JIANG Ji-le,HU Gang,ZHANG Wei
DOI: 10.3969/j.issn.1000-1158.2021.03.02
2021 Vol. 42 (3): 271-275 [Abstract] ( 291 ) HTML (1 KB)  PDF (1134 KB)  ( 319 )
276 Research of Piston Gauge Based on Two-way Fluid-structure Interaction Technique
ZHANG Zhong-li,WANG Can,LIN Zheng-hao,Ni Yu-shan,HONG Bian,QIN Ting-ting,LI Xue-jing
DOI: 10.3969/j.issn.1000-1158.2021.03.03
2021 Vol. 42 (3): 276-281 [Abstract] ( 251 ) HTML (1 KB)  PDF (2852 KB)  ( 387 )
282 Vibration Calibration Method Based on the Decoding of Heterodyne Interferometer Output S/PDIF Digital Signal
WANG Zhao,CAI Chen-guang,YANG Ming,KONG Ming,GUO Tian-tai,WANG Dao-dang
DOI: 10.3969/j.issn.1000-1158.2021.03.04
2021 Vol. 42 (3): 282-286 [Abstract] ( 306 ) HTML (1 KB)  PDF (1192 KB)  ( 460 )
287 Analysis and Elimination of Half-wavelength Error in Homodyne Laser Interference Signal Processing System Based on CORDIC Algorithm
FAN Hong-wei,DIAO Xiao-fei,ZHANG Fu-min,XUE Zi,DONG Xin-yuan,TIE Mi-mi
DOI: 10.3969/j.issn.1000-1158.2021.03.05
2021 Vol. 42 (3): 287-293 [Abstract] ( 301 ) HTML (1 KB)  PDF (1460 KB)  ( 407 )
294 NURBS Surface Fitting Based on Fractional Fourier Transform
KONG De-ming,HUANG Zi-shuang,WANG Shu-tao,SHI Hui-chao
DOI: 10.3969/j.issn.1000-1158.2021.03.06
2021 Vol. 42 (3): 294-300 [Abstract] ( 254 ) HTML (1 KB)  PDF (2665 KB)  ( 653 )
301 Research on Lens Automatic Detection System
HE Rong,JIN Tao
DOI: 10.3969/j.issn.1000-1158.2021.03.07
2021 Vol. 42 (3): 301-307 [Abstract] ( 302 ) HTML (1 KB)  PDF (3388 KB)  ( 355 )
308 Agriculture Image Dehazing Based on Mean Clustering and Loop Guided Filtering
TIAN Yuan
DOI: 10.3969/j.issn.1000-1158.2021.03.08
2021 Vol. 42 (3): 308-313 [Abstract] ( 273 ) HTML (1 KB)  PDF (4069 KB)  ( 170 )
314 Development of Large-aperture and High-emissivity Surface Blackbody Radiation Source
HU You-hua,HAO Xiao-peng,SIMA Rui-heng,XIE Chen-yu,SONG Jian,LIU Yang,WU Qiang,YANG Yan-long
DOI: 10.3969/j.issn.1000-1158.2021.03.09
2021 Vol. 42 (3): 314-320 [Abstract] ( 236 ) HTML (1 KB)  PDF (3132 KB)  ( 404 )
321 Study on the Realization of Aluminum Freezing Point in the Three-zone Temperature Controlled Fixed Point Furnace
HE Pei,LIN Lin,YAN Xiao-ke,ZHANG Ming-yu,WANG Ning
DOI: 10.3969/j.issn.1000-1158.2021.03.10
2021 Vol. 42 (3): 321-326 [Abstract] ( 263 ) HTML (1 KB)  PDF (2470 KB)  ( 231 )
327 Multi-Factor Coupling Effect of Subsonic Nozzle on Gas Flow Distribution
ZHANG Han,JIA Li,CUI Li-shui,LI Chun-hui
DOI: 10.3969/j.issn.1000-1158.2021.03.11
2021 Vol. 42 (3): 327-333 [Abstract] ( 243 ) HTML (1 KB)  PDF (5276 KB)  ( 200 )
334 Identification of Two-phase Flow Based on MO-PLP-ELM and Electrical Capacitance Tomography
ZHANG Li-feng,ZHU Yan-feng
DOI: 10.3969/j.issn.1000-1158.2021.03.12
2021 Vol. 42 (3): 334-338 [Abstract] ( 286 ) HTML (1 KB)  PDF (704 KB)  ( 187 )
339 Capacity Improvement of Natural Gas Flow Standard Device
YANG Yan-ping,LIU Bo-tao,XU Ming
DOI: 10.3969/j.issn.1000-1158.2021.03.13
2021 Vol. 42 (3): 339-345 [Abstract] ( 259 ) HTML (1 KB)  PDF (613 KB)  ( 363 )
346 Analysis of Influencing Factors on Measurement Accuracy of Particle Image Velocimetry Technology
LIU Bing,CUI Li-shui,LI Xiao-ting,WANG Yi
DOI: 10.3969/j.issn.1000-1158.2021.03.14
2021 Vol. 42 (3): 346-351 [Abstract] ( 382 ) HTML (1 KB)  PDF (560 KB)  ( 815 )
352 Research on Torque Ripple Suppression of Switched Reluctance Motor Based on Peak-Valley Complementary Method
HE Wei-fu,WANG Ning-li,ZHAO Hao,FENG Hao
DOI: 10.3969/j.issn.1000-1158.2021.03.15
2021 Vol. 42 (3): 352-357 [Abstract] ( 208 ) HTML (1 KB)  PDF (2892 KB)  ( 200 )
358 The Sinewave Fit Algorithm Based on Total Least-Square Method with Partial Period Waveforms and Non-uniform Sampling
LIANG Zhi-guo
DOI: 10.3969/j.issn.1000-1158.2021.03.16
2021 Vol. 42 (3): 358-364 [Abstract] ( 245 ) HTML (1 KB)  PDF (1794 KB)  ( 319 )
365 Investigation into Definition Method for On-wafer 16-term Error Model Calibration Kits Below 110GHz
WANG Yi-bang,ZHOU Rui,CHEN Ting,WU Ai-hua,LIU Chen,LIANG Fa-guo
DOI: 10.3969/j.issn.1000-1158.2021.03.17
2021 Vol. 42 (3): 365-369 [Abstract] ( 240 ) HTML (1 KB)  PDF (1923 KB)  ( 280 )
370 Research on Lead Equivalent Measurement of Narrow X-ray Beam Shielding Material
HAN Lu,ZHAO Rui,WU Jin-jie,LU Chun-hai,WEN Yu-qin,YAN Yong-qiang
DOI: 10.3969/j.issn.1000-1158.2021.03.18
2021 Vol. 42 (3): 370-374 [Abstract] ( 294 ) HTML (1 KB)  PDF (1039 KB)  ( 317 )
375 Research on the Detection Method of Key Parameters of Oral and Maxillofacial CBCT
HUANG Jin-feng,CHEN Xiao-zhao,WANG Hong
DOI: 10.3969/j.issn.1000-1158.2021.03.19
2021 Vol. 42 (3): 375-379 [Abstract] ( 254 ) HTML (1 KB)  PDF (639 KB)  ( 279 )
380 Granularity of Terrigenous Clastic Rock Using Sieving Method and Laser Particle Size
YOU Fan,GENG Xiang
DOI: 10.3969/j.issn.1000-1158.2021.03.20
2021 Vol. 42 (3): 380-387 [Abstract] ( 245 ) HTML (1 KB)  PDF (2436 KB)  ( 298 )
388 Research on Construction and Method of Particle Size Recognition and Detection Device for Light Scattering Particles Monitor
WU Dan,ZHANG Guo-cheng,ZHAO Xiao-ning
DOI: 10.3969/j.issn.1000-1158.2021.03.21
2021 Vol. 42 (3): 388-394 [Abstract] ( 286 ) HTML (1 KB)  PDF (3297 KB)  ( 840 )
395 Denoising Method of EEG Signal Based on EEMD-ICA
FAN Feng-jie,BAI Yang,JI Hui-fang
DOI: 10.3969/j.issn.1000-1158.2021.03.22
2021 Vol. 42 (3): 395-400 [Abstract] ( 406 ) HTML (1 KB)  PDF (2504 KB)  ( 490 )
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