基于matlab，针对调幅AM、调频FM和调相PM信号，分析在不同的噪声环境，包括高斯白噪声、色噪声、非高斯噪声及正弦干扰中，各种信号的二阶循环谱。可根据需要改变程序中信号或噪声环境，分析结果。,Based on matlab, AM for AM, FM FM and PM phase modulation signals, analysis of noise in different environments, including Gaussian white noise, colored

上传程序中使用MATLAB语言，包含各类的调幅信号的产生函数，并通过图像形式显示时频域图像关系。(Upload program using the MATLAB language, including all kinds of AM signal generation function, and through the image form to display time-frequency domain image relations.)