Digital Signal Processing using matlab ED2/Ingle,Proakis/2장 연습문제 solution

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Digital Signal Processing using matlab ED2
저자는 Ingle,Proakis
2장 연습문제 풀이입니다.

목차

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본문내용

2.1 (1)
>> x1=3*impseq(-2,-5,15)+2*impseq(0,-5,15)-impseq(3,-5,15)+5*impseq(7,-5,15);
>> n1=[-5:15];
>> Hs=stem(n1,x1);
>> xlabel(`n`); ylabel(`x_1(n)`);
>> title(`Sequence x_1(n)`);
2.1 (3)
>> x3=10*stepseq(0,0,20)-5*stepseq(5,0,20)-10*stepseq(10,0,20)+5*stepseq(15,0,20);
>> n3=[0:20];
>> Hs=stem(n3,x3);
>> xlabel(`n`); ylabel(`x_3(n)`);
>> title(`Sequence x_3(n)`);
2.1 (5)
>> n5=[-200:200];
>> x5=5*(cos(0.49*pi*n5)+cos(0.51*pi*n5));
>> Hs=stem(n5,x5);
>> xlabel(`n`); ylabel(`x_5(n)`);
>> title(`Sequence x_5(n)`);
2.1 (7)
>> n7=[0:100];
>> x7=exp(-0.05*n7).*sin(0.1*pi*n7+pi/3);
>> Hs=stem(n7,x7);
>> xlabel(`n`); ylabel(`x_7(n)`);
>> title(`Sequence x_7(n)`);

참고 자료

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