FPGA实现数字滤波器，用VHDL语言实现的直接1型FIR滤波器，具有较好的参考价值。,FPGA realization of digital filters using VHDL language to achieve the direct FIR filter type 1, has a good reference value.

文件系统过滤层驱动。简单的对文件头标志进行了研究。欢迎下载-File system filter driver layers. Simple file header marked studied. Welcome to download

本程序是用于信号滤波的实验程序, 主要功能是进行信号的保相滤波, 对计算滤波信号的幅值问题进行了修正-This procedure is experimental procedures used for signal filtering, the main function is to signal protection phase filter, the calculation of the amplitude of the filtered signal correction