判断L1等于L2是否为真，该程序用VC2010编译器编写-Judgment L1 is equal to L2 is true, the program written in VC2010 compiler

在高斯混合噪声背景下实现SLIM谱估计算法和l1范数SLIM谱估计法，并在-5到15的信噪比条件与CRLB对比均方频率误差-the paper achieves the SLIM spectral estimation algorithm and l1-SLIM spectral estimation method under the Gaussian mixture background noise,then compares the mean square frequency error