傅里叶变换在MATLAB中的实现，对正选信号仿真，画出其频谱图。-Fourier transform in MATLAB realization of positive selection signal simulation, draw the spectrogram.

Simulink® and Stateflow® model of a full duplex Bluetooth communication link transmitting HV1, HV2, HV3, and SCORT [1] voice packets, and DM1 data packets. A system parameters block configures the whole model s packet type, slot pair and chan