LFM signal detection and parameter estimation is deduced.At last, wavelet transform of LFM signal is presented, and LFM signal detection based on wavelet spectrum is studied.

• 线性调频信号的检测与参数估计是一个广泛受到关注的问题,分析了线调频信号的小波变换,并提出了基于小波谱的线性调频信号检测的算法。