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A new modulation transfer function for ocean wave spectra retrieval from X-band marine radar imagery
《Chinese Journal of Oceanology and Limnology》2015年第5期1132-1141,共10页陈忠彪 张彪 何宜军 丘仲锋 PERRIE William 
Supported by the National High Technology Research and Development Program of China(863 Program)(No.2013AA09A505);the National Natural Science Foundation of China(Nos.41076119,41176160,41476158);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD);the Natural Science Youth Foundation of Jiangsu Province(No.BK2012467);the Natural Science State Key Foundation of Jiangsu Province(No.BK2011008);the National Natural Science Youth Foundation of China(No.41206171);the Startup Foundation for Introducing Talent of Nanjing University of Information Science and Technology(No.S8113078001)
When imaging ocean surface waves by X-band marine radar, the radar backscatter from the sea surface is modulated by the long surface gravity waves. The modulation transfer function （MTF） comprises tilt, hydrodynamic...
关键词：X-band marine radar modulation transfer function ocean wave spectra 
Fluorescence Discrimination and Determination Technique for Phytoplankton Composition by Coif2 Wavelet Packet
《Journal of Ocean University of China》2013年第1期53-62,共10页DUAN Yali SU Rongguo SHI Xiaoyong WANG Xiulin ZHU Chenjian SUN Yan 
supported by the National High-Tech Research and Development Program of China (863 Program) (No. 2009AA063005);the Natural Science Foundation of Shandong Province (No. ZR2009EM001)
An in vivo fluorescence discrimination technique for phytoplankton population was developed by using Wavelet packet transform, cluster analysis and non-negative least squares. The technique was used to analyze water s...
关键词：phytoplankton species wavelet packet transform feature spectra norm spectra database DISCRIMINATION 
Synthesis and Spectroscopic Investigation of Azoporphyrins
《Chinese Chemical Letters》2005年第9期1181-1184,共4页Xin Gang LIU Ya Qing FENG Fei LI Xue CHEN Xiang Gao LI Chun Yan ZHANG 
This work was supported by the National High Technology Research and Development Program of China(863 Program)(No.2002AA325050).
The synthesis of a series of new covalently-connected azoporphyrin derivatives is described and the photochemical properties of the new compounds are discussed. The two chromophores of these derivatives exhibit their ...
关键词：Azo-porphyrin UV/Vis-spectra fluorescence quenching 
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