Code for Huawei 3G modem statistic

在android平台上实现统计图表数据显示的GUI代码-On the android platform charts show the GUI code

为解决信号检测过程中噪声不确定性的影响，以接收信号协方差矩阵为基础，提取其特征值作为检测统计量进行频谱感知(In order to solve the influence of noise uncertainty in the signal detection process, based on the covariance matrix of the received signal, the characteristic value is extracted as the detection