matlab 分段周期函数clc;clear;A=1;f0=1000000;%设定正弦信号频率%生成正弦信号N0=0;N1=0.5/f0;T0=0.5/f0;for i=0:2 t1=[N0,N0+2*T0/3]; x1=A*sin(2*pi*f0*t1); t2=[N1-T0/3,N1]; x2=0; plot(t1,x1,t2,x2);%作正弦信号的时
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![matlab 分段周期函数clc;clear;A=1;f0=1000000;%设定正弦信号频率%生成正弦信号N0=0;N1=0.5/f0;T0=0.5/f0;for i=0:2 t1=[N0,N0+2*T0/3]; x1=A*sin(2*pi*f0*t1); t2=[N1-T0/3,N1]; x2=0; plot(t1,x1,t2,x2);%作正弦信号的时](/uploads/image/z/636995-11-5.jpg?t=matlab+%E5%88%86%E6%AE%B5%E5%91%A8%E6%9C%9F%E5%87%BD%E6%95%B0clc%3Bclear%3BA%3D1%3Bf0%3D1000000%3B%25%E8%AE%BE%E5%AE%9A%E6%AD%A3%E5%BC%A6%E4%BF%A1%E5%8F%B7%E9%A2%91%E7%8E%87%25%E7%94%9F%E6%88%90%E6%AD%A3%E5%BC%A6%E4%BF%A1%E5%8F%B7N0%3D0%3BN1%3D0.5%2Ff0%3BT0%3D0.5%2Ff0%3Bfor+i%3D0%3A2++++t1%3D%5BN0%2CN0%2B2%2AT0%2F3%5D%3B++++x1%3DA%2Asin%282%2Api%2Af0%2At1%29%3B++++t2%3D%5BN1-T0%2F3%2CN1%5D%3B++++x2%3D0%3B++++plot%28t1%2Cx1%2Ct2%2Cx2%29%3B%25%E4%BD%9C%E6%AD%A3%E5%BC%A6%E4%BF%A1%E5%8F%B7%E7%9A%84%E6%97%B6)
matlab 分段周期函数clc;clear;A=1;f0=1000000;%设定正弦信号频率%生成正弦信号N0=0;N1=0.5/f0;T0=0.5/f0;for i=0:2 t1=[N0,N0+2*T0/3]; x1=A*sin(2*pi*f0*t1); t2=[N1-T0/3,N1]; x2=0; plot(t1,x1,t2,x2);%作正弦信号的时
matlab 分段周期函数
clc;
clear;
A=1;
f0=1000000;%设定正弦信号频率
%生成正弦信号
N0=0;N1=0.5/f0;T0=0.5/f0;
for i=0:2
t1=[N0,N0+2*T0/3];
x1=A*sin(2*pi*f0*t1);
t2=[N1-T0/3,N1];
x2=0;
plot(t1,x1,t2,x2);%作正弦信号的时域波形
hold on;
N0=N0+T0;
N1=N1+T0;
end;
figure(1);
axis([0,1/f0,-1,1]);
xlabel('t');
ylabel('x');
title('正弦信号时域波形');
grid;
问什么画出来的是直线而不是正弦波?
matlab 分段周期函数clc;clear;A=1;f0=1000000;%设定正弦信号频率%生成正弦信号N0=0;N1=0.5/f0;T0=0.5/f0;for i=0:2 t1=[N0,N0+2*T0/3]; x1=A*sin(2*pi*f0*t1); t2=[N1-T0/3,N1]; x2=0; plot(t1,x1,t2,x2);%作正弦信号的时
你把画图函数plot(t1,x1,t2,x2)
放在循环里,而t1,x1,t2,x2 都是只有两个元素的数组
每次都只会话2个点
所以是两条线段