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Dive into the research topics where Zhou Xinghua is active.

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Featured researches published by Zhou Xinghua.


Geo-spatial Information Science | 2004

Seafloor sediment classification based on multibeam sonar data

Zhou Xinghua; Chen Yongqi

The multibeam sonars can provide hydrographic quality depth data as well as hold the potential to provide calibrated measurements of the seafloor acoustic backscattering strength. There has been much interest in utilizing backscatters and images from multibeam sonar for seabed type identification and most results are obtained. This paper has presented a focused review of several main methods and recent developments of seafloor classification utilizing multibeam sonar data or/and images. These are including the power spectral analysis methods, the texture analysis, traditional Bayesian classification theory and the most active neural network approaches.


Geo-spatial Information Science | 2006

Equivalence of Network-Solution and PPP-Solution

Peng Lin; Liu Yanxiong; Zhou Xinghua; Wu Yongting

The technique of precise point positioning (PPP) is gradually becoming a popular method in GPS data-processing. In GPS observation equation, the unknown parameters can be separated into two parts: global parameters and local parameters. The global parameters include orbit, satellite clock and geodynamic parameters. The local parameters are site-occupation-spectific, such as position, tropospheric delay, etc. The formulas of local parameters are firstly derived under the network-solution and the PPP-solution conditions respectively. If the weight matrix of global parameters in PPP-solution is small enough, the cofactor matrices of local parameters are the same as that in network-solution. Then, 16 daily solutions are obtained in both PPP mode and network mode. Three sites are selected to compare the solutions. The experimental results demonstrated that the difference between two solutions in coordinates and tropospheric delays are only few millimeters. This level of difference can be neglected so that the solutions from both PPP mode and network mode can be taken as the same in the actual application.


Archive | 2017

A unmanned investigation platform of measuring on water for data acquisition difficulty waters

Lin Xubo; Zhou Xinghua; Ding Ji-sheng; Wang Fangqi; Dong Lifeng; Tao Changfei; Liu Senbo


Archive | 2017

Sonar measuring equipment cloth is replace and is received mechanism under water

Ding Ji-sheng; Zhou Xinghua; Tao Changfei; Wang Fangqi; Dong Lifeng; Liu Dunwu; Lin Xubo; Cui Li


Archive | 2016

Underwater sonar measuring equipment laying and retracting mechanism

Ding Ji-sheng; Zhou Xinghua; Tao Changfei; Wang Fangqi; Dong Lifeng; Liu Dunwu; Lin Xubo; Cui Li


Archive | 2015

System for automatically measuring the profile of a ship underwater in real time

Sun Qiang; Liu Yanxiong; Zhou Xinghua; Ji Yuqiang; Liang Guanhui


Archive | 2018

利用TOPEX/Poseidon和Jason-1高度计数据提取中国南海潮汐信息

付延光; Fu Yanguang; 周兴华; Zhou Xinghua; 许军; Xu Jun; 刘森波; Liu Senbo; 杨磊; Yang Lei


Archive | 2017

Whole-sea tidal observation system and tidal observation method based on Beidou

Liang Guanhui; Zhou Xinghua; Peng Lin; Tang Qiuhua; Zhou Dongxu


Archive | 2017

Oceanographic satellite spaceborne altimeter on-orbit absolute calibration system and calibration method

Liang Guanhui; Zhou Xinghua; Zhou Dongxu; Tang Qiuhua; Lei Ning; Yang Lei


Archive | 2017

Absolute calibration method for satellite radar altimeter without special calibration field

Yang Lei; Zhou Xinghua; Tang Qiuhua; Lei Ning; Zhou Dongxu; Wang Chaoyang; Liang Guanhui

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Chen Yongqi

Hong Kong Polytechnic University

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Liu Baohua

State Oceanic Administration

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