A novel dual-polarization total power radiometer with single channel based on TSPW technique
Sensors and Transducers(2013)
摘要
A dual-polarization total power millimeter wave (MMW) radiometer with single channel and based on time sequence phase weighting (TSPW) was proposed in this paper. It completed the subtraction of two orthogonally polarized signals in the RF front-end. The system only used one channel to achieve the function. The performance of the system was analyzed and simulated on the basis of discussing the theory and the configuration of the system. Based on SNR theory, the ability to identify the false target was analyzed. The results showed the system could solve the problem that the performance of dual-polarization radiometer becomes weak because of gain inconformity with two channels. The system was small in size and saved cost. It could identify the false target which has different apparent temperatures at vertical and horizontal-polarized radiations. © 2013 IFSA.
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关键词
Dual-polarization,Millimeter wave radiometer,Single channel,TSPW
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