关于线性调频波的三个小程序，包括线性调频波的生成，FFT变换，线性调频信号通过匹配滤波器-Linear frequency modulation wave on the three small procedures, including the generation of LFM wave, FFT transform, linear frequency modulated signal through the matched filter

线性调频连续波的雷达测距测速的两次FFT(Linear frequency modulation continuous wave radar ranging and speed estimation by twice FFT.)