第二种是运用多种正交变换结合的算法对回波进行特征提取工作。
The other one is to apply multiple sorts of orthogonal signal transformation to extract the information of the targets.
提出了一种先对回波信号进行多普勒补偿后再进行相干积累的方法。
The method in which coherent accumulation is carried out after the echo is compensated by a Doppler frequency shift is introduced.
并设计了先对回波信号进行高速采样然后同步累加进行脉冲积累的方案。
The according pulse accumulation method is designed and realized, i. e. digitalizing the echo and synchronously accumulating them in RAM.
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