中文说明： 含噪脉冲信号进行相关检测,计算十字叉丝的在不同距离的衍射图像,直线阵采用切比学夫加权控制主旁瓣比，现代信号处理中谱估计在matlab中的使用，基于matlab平台实现,实现用SDRAM运行nios，同时用SRAM保存摄像头数据。
English Description：
Pulse signal detection with noise, calculate the cross hairs at different distances of the diffraction image, linear array using weighted control main sidelobe ratio, modern spectral estimation using MATLAB in signal processing based on MATLAB platform, using SDRAM running Nios and store camera data in SRAM.