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《Acta Scientiarum Naturalium Universitatis Pekinensis》 2009-01
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The Wide-Band Scattering Characteristics Analysis of Satellite Targets in Different Space Attitude Conditions

ZENG Rui~(1,2),ZHOU Lezhu~1,LI Mingzhi~1,WANG Wei~11.Department of Electronics,School of Electronics Engineering and Computer Science,Peking University,Beijing 100871;2.Department of Optics and Electron Engineering,Ordnance Engineering College,Shijiazhuang 050003;  
Wide-band scattering characteristics of typical spin stabilized satellite and triaxial stabilized satellite are computed by using finite-difference time-domain(FDTD).Compacts of the attitudes on scattering properties are investigated.The scattering properties of typical satellite targets in frequency domain are compared with the scattering properties in time domain.The results show that the satellite scattering properties in frequency domain are propitious to get the large-scale attitude information and the properties in time domain are propitious to get the small-scale attitude information. In addition,the change of rolling attitude more easily arouses the variety of scattering characteristics of typical satellite target than pitch attitude change does.The conclusions are valuable to the attitude identification of satellite and the design of ground based wide-band radar.
【Fund】: 国家自然科学基金资助项目(60401012)
【CateGory Index】: V474.2
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