国芯+海尔急速刷机工具，非常棒的刷机工具，请大家支持。-State Core+ Haier rapid Brush tool, very nice Brush tool, please support.

通过最大似然估计的线性调频分解，计算费舍尔信息矩阵，使用优化过程，计算一个似然函数的海赛矩阵等。-Through the maximum likelihood estimation of linear frequency modulation decomposition, calculate fisher information matrix, the use of optimization process, calculate a likelihood function of the hess