中文说明：实现用SDRAM运行nios，同时用SRAM保存摄像头数据，在MATLAB中求图像纹理特征，光纤无线通信系统中传输性能的研究，时间序列数据分析中的梅林变换工具，小波包分析提取振动信号中的特征频率，通过虚拟阵元进行DOA估计。
English Description：
Use SDRAM running Nios, while cameras with a SRAM save data, image texture feature in MATLAB and study on properties of optical fiber transmission in a wireless communication system, the Mellin transform of time series data analysis tool, extracting characteristic frequency of vibration signal Wavelet packet analysis, based on virtual array DOA estimates.