基于中国余数定理解频率模糊和解线调方法,提出一种无模糊欠采样的宽带线性调频信号的调频斜率和初始频率的估计算法。
Based on the remainder theorem and direct dechirp operation, an algorithm for estimation of chirp rate and initial frequency of the subsampling wideband LFM signal unambiguously is presented.
适当地选取时延和非均匀阵列阵元位置,该方法的信号频率和2 D到达方向估计无模糊。
With choosing signal time delay and element location of nonuniform array properly, the estimated frequencies and 2 D directions of arrival are unambiguous.
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