包括面积、周长、矩形度、伸长度，本程序的性能已经超过其他算法，信号处理中的旋转不变子空间法，从先验概率中采样，计算权重，直线阵采用切比学夫加权控制主旁瓣比。-Including the area, perimeter, rectangular, elongation, This program has exceeded the performance of other algorithms, Signal Processing ESPRIT method, Sampling　a priori probability, calculate the weight, Linear array using cut than learning laid upon the right control of the main sidelobe ratio.