Journal of Systems Engineering and Electronics 2010, 21(6) 968-974 DOI:   10.3969/j.issn.1004-4132.2010.06.007  ISSN: 1004-4132 CN: 11-3018/N

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polarization scattering matrix
alternative polarization measurement
instantaneous polarization measurement
field experiment

Instantaneous measurement for radar target polarization scattering matrix

Yong Liu*,Yongzhen Li,and Xuesong Wang

School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, P. R. China


 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.

Keywords�� polarization scattering matrix   alternative polarization measurement   instantaneous polarization measurement   field experiment  
Received  Revised  Online:  
DOI: 10.3969/j.issn.1004-4132.2010.06.007
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