雷达基带回波杂波平均散射系数的标定

Proceedings of 2013 2nd International Conference on Measurement, Information and Control Pub Date : 2013-08-01 DOI:10.1109/MIC.2013.6758014

Wang Kun-zhe, Zhou Jian-xiong, Chen Zhen-long, Lu Zai-qi

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引用次数: 0

摘要

基于比较定标原理，提出了从基带回波和距离像中分别求出雷达杂波后向散射系数的公式和数据处理方法。对于固定频率和步进频率雷达，通过仿真比较了相干积分前后的标定结果。结果表明，相干积分前后的校准结果基本一致，步进频率波形的测量波动小于固定频率波形的测量波动。可以通过增加测量杂波单元数来减小波动。例如，通过使用更高距离分辨率的雷达，更宽的波束宽度或通过增加雷达的平台高度。对杂波的相关性、独立样本数以及数据处理增益等问题进行了解释。

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Calibration of average scattering coefficients of clutter from radar baseband echo

Based on the principle of comparative calibration, he formulation and data processing method for obtaining the backscatter coefficient of radar clutter from the baseband echo and range profile are presented respectively. For fixed and stepped frequency radar, the calibration results before and after coherent integration is compared through simulation. It suggests that the calibration result is almost the same before or after coherent integration and the measurement fluctuation of stepped frequency waveform is smaller than that of fixed frequency waveform. The fluctuation can be reduced by increasing the measured clutter cells. For example, by using radar with higher range resolution, wider beam width or by increasing the platform height for radar. Some explanations are given with respect to the correlation of clutter, number of independent samples as well as data processing gain.

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Proceedings of 2013 2nd International Conference on Measurement, Information and Control

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