In this paper,the first order approximate model of Doppler frequency is assumed,and an algorithm based on the extended RELAX method is proposed to estimate the parameters of chirp signals.

• 该文采用上述情形的多普勒频率的分段一阶近似模型，在此基础上，提出一种基于推广RELAX算法的线性调频信号参量估计方法。