结合PCA的尺度不变特征变换(SIFT)算法，供做算法研究人员参考，相控阵天线的方向图（切比雪夫加权），含噪脉冲信号进行相关检测,包括面积、周长、矩形度、伸长度。- Combined with PCA scale invariant feature transform (SIFT) algorithm, Algorithm for researchers to do reference, Phased array antenna pattern (Chebyshev weights), Noisy pulse correlation detection signal, Including the area, perimeter, rectangular, elongation.