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提出一种新的基于训练序列波达估计算法.新算法基于如下假设:各个信号源的训练序列互相正交;并且各个信号源都是幅度为1的恒模信号.论文给出了新算法的数学推导过程,得到一个简单的估计公式.结合无空间模糊性的T形阵列,新算法能够快速、精确地估计波达方向.
A new estimation algorithm based on training sequence is proposed.The new algorithm is based on the assumption that the training sequences of each signal source are orthogonal to each other and each signal source is a constant modulus signal with amplitude 1. The new algorithm Mathematical derivation process, a simple estimation formula is obtained.With the T-shape array without space fuzziness, the new algorithm can estimate the DOA quickly and accurately.