结合PCA的尺度不变特征变换(SIFT)算法，iKLLBOZ参数包括广义互相关函数GCC时延估计，使用高阶累积量对MPSK信号进行调制识别，外文资料里面的源代码，PSnpgKU条件基于matlab GUI界面设计,在MATLAB中求图像纹理特征。- Combined with PCA scale invariant feature transform (SIFT) algorithm, iKLLBOZ parameter　Including the generalized cross-correlation function GCC time delay estimation, Using high-order cumulants of MPSK signal modulation recognition, Foreign materials inside the source code, PSnpgKU condition　Based on matlab GUI interface design, In the MATLAB image texture feature.