>> ylabel('|H(j\\omega)|') >> title('c 图幅频特性曲线') d图: >> s=0:0.1:5;
>> H=(i.*s)./((s.*i+1-i).*(s.*i+1+i)); >> plot(s,H)
Warning: Imaginary parts of complex X and/or Y arguments ignored. >> xlabel('\\omega') >> ylabel('|H(j\\omega)|') >> title('d 图幅频特性曲线') >> e图: >> s=0:0.1:5;
>> H=((i.*s+1.2*i).*(i.*s-1.2*i))./((s.*i+1-i).*(s.*i+1+i)); >> plot(s,H)
Warning: Imaginary parts of complex X and/or Y arguments ignored. >> xlabel('\\omega') >> ylabel('|H(j\\omega)|') >> title('e 图幅频特性曲线') >> f图: >> s=0:0.1:5;
>> H=((i.*s+1.2*i).*(i.*s-1.2*i))./((s.*i-i).*(s.*i+i)); Warning: Divide by zero. >> plot(s,H) >> xlabel('\\omega') >> ylabel('|H(j\\omega)|') >> title('f图幅频特性曲线') >>