A low-pass filter is a filter that passes low-frequency signals but attenuates (reduces the amplitude of) signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to filter. It

fir 滤波器的程序文件和测试文件，仿真数据和matlab仿真数据进行过比对，matlab采用fdatool生成的低通滤波器，采样率为24兆，通带2.5M，截止频率为5M(FIR filter program files and test files, simulation data and MATLAB simulation data have been compared, Matlab using FDATool generated low-pass filter, sampling rat