为了克服目标效应，将常规旁瓣对消系统的辅助天线改为双极化正交天线。
To overcome the signal effect, we renovate the auxiliary antenna in the conventional side lobe canceller system to two-orthogonal-channel polarization antenna.
系统的低频特性，UWB特性和大处理角特性使得常规SAR极化校准不再适用。
The low frequency, UWB and large processing angle result that the polarimetric calibration for regular SAR system cannot be used.
因此在地表植被丰富的区域，用极化干涉提取的DEM应该具有比常规干涉DEM更好的精度。
The DEM obtained from Polarimetric SAR Interferometry should have higher accuracy than that obtained from conventional InSAR.
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