针对低信噪比下运动点目标检测这一难题,提出了一种新算法———分段复合速度匹配法,该方法通过递推使用速度匹配滤波器有效地实现了目标的能量累加。与其他检测算法相比,该方法具有运算简单、检测时间快等特点。对新算法的原理和性能进行了详细分析,并通过实验证明了该算法的有效性。 Aiming at the problem of moving-point target detection in low signal-to-noise ratio (SNR), a new algorithm named segment compound velocity matching method is proposed, which can effectively accumulate the target energy by recursively using speed matched filter. Compared with other detection algorithms, this method has the advantages of simple operation and fast detection time. The principle and performance of the new algorithm are analyzed in detail, and the effectiveness of the algorithm is proved through experiments.