用MATLAB编写的一个8级m序列，并实现了调频序列的提取和频率的选择，能显示出跳频图案！-Prepared with an 8-level MATLAB m sequence, and realized the extraction sequence and frequency of FM option, can show frequency-hopping pattern!

fm调制到解调的详细代码 ，包含微粉，积分的详细实现过程。注释吵 好-fm modulator to the demodulator the detailed code, including powder, integral realization of the process in detail. Notes noisy good

线性调频信号运用dds中改变k来实现信号调频的策略-Linear FM signal to change the use of k dds FM' s strategy to achieve signal