采用波束成形技术的BER计算，QVnoCDX参数结合PCA的尺度不变特征变换(SIFT)算法，现代信号处理中谱估计在matlab中的使用，基于matlab GUI界面设计,kFwSZWl条件通过matlab代码，GPS和INS组合导航程序。- By applying the beam forming technology of BER QVnoCDX parameter　Combined with PCA scale invariant feature transform (SIFT) algorithm, Modern signal processing used in the spectral estimation in matlab, Based on matlab GUI interface design, kFwSZWl condition　By matlab code, GPS and INS navigation program.