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Dive into the research topics where Zheng Chongwei is active.

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Featured researches published by Zheng Chongwei.


Chinese Physics | 2005

The validity of high-pass angular spectrum filter in solid immersion lens system

Zheng Chongwei; Dai Yuxing

The focal field of a solid immersion lens (SIL) system with a high-pass angular spectrum filter is calculated by using a vector method. Numerical results show that for a radially (azimuthally) polarized input field, a high-pass angular spectrum filter can reduce the light-spot (dark-spot) size of the SIL system. For a linearly polarized input field, however, the focal field cannot be optimized and the optical storage density of the SIL system cannot be improved by using a simple high-pass filter, either.


Archive | 2014

Reversible variable-flow shore power control method based on virtual synchronous generator

Bi Daqiang; Dai Yuxing; Gao Kecun; Zheng Chongwei; Zhou Wen


Archive | 2013

Current transformer current-limiting protection system control device and current-limiting control method thereof

Dai Yuxing; Chen Yicai; Zheng Chongwei; Wen Yeting; Zeng Guoqiang


Archive | 2013

Extreme value optimization self-adjusting digital PID control method used for megawatt inverter system

Zeng Guoqiang; Chen Jie; Dai Yuxing; Zhang Zhengjiang; Zheng Chongwei; Lu Kangdi; Peng Wenwen; Peng Zishun


Archive | 2013

High-voltage and high-power uninterruptible power supply device

Dai Yuxing; Yi Longqiang; Gao Kecun; Zheng Chongwei; Wen Yeting; Wang Huan


Archive | 2013

High voltage high power uninterrupted power supply device

Dai Yuxing; Yi Longqiang; Gao Kecun; Zheng Chongwei; Wen Yeting; Wang Huan


Archive | 2013

Quick charge system for lead-acid storage batteries in photovoltaic system

Zheng Chongwei; Dai Yuxing; Zeng Guoqiang; Zhang Zhengjiang; Ning Yong; Wen Yeting; Wang Huan


Archive | 2015

Multi-parameter optimization method of reversible conversion shore power network side controller

Dai Yuxing; Peng Zishun; Zeng Guoqiang; Zheng Chongwei; Bi Daqiang; Zhang Zhengjiang


Archive | 2015

Megawatt level no-harmonic reversible variable flow shore power supply device

Dai Yuxing; Bi Daqiang; Gao Kecun; Zeng Guoqiang; Zheng Chongwei


Archive | 2014

Megawatt non-harmonic invertible current transformation shore power supply device

Dai Yuxing; Bi Daqiang; Gao Kecun; Zeng Guoqiang; Zheng Chongwei

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