CS算法OMP该进算法，对傅里叶与 的信号进行稀疏采样-Compressive Sensing OMP

模拟 AM FM DSB 信号傅里叶变换图 频域稀疏-Analog AM FM DSB frequency domain signal sparse Fourier transform Figure

在构造压缩感知测量矩阵中，用傅里叶矩阵实现稀疏度k和m与信噪比之间的关系(In the construction of compressed sensing measurement matrix, the relationship between sparsity k and m and signal-to-noise ratio is realized by Fourier matrix.)