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在外场动态毫米波RCS(Radar Cross Section)测量中,由于测量距离远,测量过程的动态性,大气衰减对测量精度的影响很严重。在基于海上目标毫米波RCS测量标校路径和测量路径上毫米波大气衰减的规律和特点的分析基础上,有针对性地提出了消除毫米波大气衰减对海面目标RCS测量精度影响的方法。
In the field of dynamic Radar Cross Section (RCS) measurement, the influence of atmospheric attenuation on the measurement accuracy is very serious due to the measurement distance and the dynamic of the measurement process. Based on the analysis of the regularities and characteristics of millimeter-wave atmospheric attenuation in calibration and calibration of millimeter-wave RCS at sea and the attenuation of millimeter-wave atmospheric attenuation, a method to eliminate the influence of millimeter-wave atmospheric attenuation on the measurement accuracy of RCS is proposed.