自己编写的求mel三角滤波器系数的程序，比matlab自带程序容易理解，帮助大家理解mel三角滤波器-I have written for triangular mel filter coefficients procedures, than matlab own procedures easy to understand and help us to understand the triangular mel filter

采用AVR单片机编写的正弦信号、方波信号、三角波信号发生器。使用PWM调制方式进行调制后再解调通过RC滤波器滤出信号。-AVR prepared using single-chip sinusoidal signal, square-wave signal, triangular wave signal generator. The use of PWM modulation modulation through the RC filt

输入为高频三角波，叠加上低频正弦噪声，使用高通滤波器将噪声滤除-Input is a high-frequency triangular wave superimposed on a low frequency sinusoidal noise, using the high-pass filter, the noise filter

FIR数字滤波器 用MATALAB编写 可以滤除各种干扰 适于方波 正弦波 三角波 等各种波形 -FIR digital filters can filter out using various interference MATALAB prepared for square wave sine wave triangle wave and other