matlab实例，带通，阻带频率[900,6000] Hz，阻带最小衰减50dB。待滤波的原信号的产生和开始滤波程序。学习使用-matlab instance, band-pass, stop-band frequency [900,6000] Hz, stopband minimum attenuation of 50dB. Generated and the start of the original signal to be filtered filtering process. Lear

数字滤波器 ，用matlab的GUI界面完成，可以对输入的信号进行低通，高通，带通，带阻的选择，同时能设置相应的参数。滤波的类型包括：blackman，boxcar，hanning，hamming-Digital filter matlab GUI interface, the input signal low pass, high pass, band-pass, band-stop choice, at the same time to set the appropriate paramet