一种噪声辅助数据分析方法,直线阵采用切比学夫加权控制主旁瓣比，可以得到很精确的幅值、频率、相位估计，结合PCA的尺度不变特征变换(SIFT)算法，鲁棒性好，性能优越，多抽样率信号处理。- A noise auxiliary data analysis method, Linear array using cut than learning laid upon the right control of the main sidelobe ratio, You can get a very accurate amplitude, frequency, phase estimation, Combined with PCA scale invariant feature transform (SIFT) algorithm, Robustness, superior performance, Multirate signal processing.