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pro vyhledávání: '"Yewen Zhu"'
Autor:
Tao Sun, Wen Wang, Zhanfeng Chen, Yewen Zhu, Kaifei Xu, Haimei Wu, Zhiqian Sang, Keqing Lu, He Yang
Publikováno v:
Applied Sciences, Vol 11, Iss 24, p 11770 (2021)
Due to the errors of the servo system and the errors of the ball screw drive system, the positioning errors inevitably occur in the process of CNC machine tools. The measurement of traditional equipment is limited by a fixed measurement radius and a
Externí odkaz:
https://doaj.org/article/cd3aa06474a94979b165a5a506c8bcba
Publikováno v:
CISP-BMEI
A new SAR image de-noising approach that uses the local properties analysis of SAR image and the discrete nonseparable shearlet transform (DNST) is proposed in this paper. According to the local properties analysis method, the SAR image is divided in