exa1_30.m

matlab应用实例。如：FIR、IIR数字滤波器设计等。

% exa1-30_sawtooth.m for example 1-30
% sawtooth function

clear all;
f=10; %signal frequency
fs=1000; %sample frequency
width=0.5; %scalar parameter of function sawtooth
t1=0:1/fs: 1;
t=2*pi*f*t1;
y=sawtooth(t);%generate sawtooth wave
y1=sawtooth(t,width);%generate triangle wave
subplot(211);plot(t,y)
title('锯齿波')
subplot(212); plot(t,y1)
title('对称三角波')