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Instantaneous measurement for radar target polarization scattering matrix 被引量:2
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作者 Yong Liu Yongzhen Li Xuesong Wang 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2010年第6期968-974,共7页
Adopting "simultaneous transmitting, simultaneous receiving" operational scheme, instantaneous polarization radar (IPR) can measure target polarization scattering matrix (PSM) using only once target echoes in tw... Adopting "simultaneous transmitting, simultaneous receiving" operational scheme, instantaneous polarization radar (IPR) can measure target polarization scattering matrix (PSM) using only once target echoes in two orthogonal polarization channels. Firstly, signal model and signal process are advanced under narrowband condition. Secondly, measurement performances of two typical IPR waveforms are analyzed in detail. At last, field experiments are carried out using X-band IPR system designed by National University of Defense Technology (NUDT), China. Compared with results obtained by alternative polarization measurement scheme, following results can be obtained: the difference of relative amplitude measurement results is smaller than 2 dB and that of relative phase measurement results is smaller than 10?, verifying the validity of instantaneous polarization measurement scheme. 展开更多
关键词 polarization scattering matrix alternative polarization measurement instantaneous polarization measurement field experiment.
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