Zhou Xinghua
State Oceanic Administration
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Featured researches published by Zhou Xinghua.
Geo-spatial Information Science | 2004
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
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
Lin Xubo; Zhou Xinghua; Ding Ji-sheng; Wang Fangqi; Dong Lifeng; Tao Changfei; Liu Senbo
Archive | 2017
Ding Ji-sheng; Zhou Xinghua; Tao Changfei; Wang Fangqi; Dong Lifeng; Liu Dunwu; Lin Xubo; Cui Li
Archive | 2016
Ding Ji-sheng; Zhou Xinghua; Tao Changfei; Wang Fangqi; Dong Lifeng; Liu Dunwu; Lin Xubo; Cui Li
Archive | 2015
Sun Qiang; Liu Yanxiong; Zhou Xinghua; Ji Yuqiang; Liang Guanhui
Archive | 2018
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
Liang Guanhui; Zhou Xinghua; Peng Lin; Tang Qiuhua; Zhou Dongxu
Archive | 2017
Liang Guanhui; Zhou Xinghua; Zhou Dongxu; Tang Qiuhua; Lei Ning; Yang Lei
Archive | 2017
Yang Lei; Zhou Xinghua; Tang Qiuhua; Lei Ning; Zhou Dongxu; Wang Chaoyang; Liang Guanhui