信號與系統(tǒng)第一二章答案(編輯修改稿)
2025-07-16 02:31 本頁面
【文章內(nèi)容簡介】 tion is not enough. (e). (f). Extra problems:1. Solute h(t), h[n] (1). (2). Solution: (1). Because so (2). Because so Chapter 1 Answers (a).No Because when t0, =0. (b).No Because only if n=0, has valuable. (c).Yes Because N=4. (a). T=/5 Because =10, T=2/10=/5. (b). Not periodic. Because , while is not periodic, is not periodic. (c). N=2 Because =7, N=(2/)*m, and m=7. (d). N=10 Because , that is =3/5, N=(2/)*m, and m=3. (e). Not periodic. Because =3/5, N=(2/)*m=10m/3 , it’s not a rational number. A1=3, t1=0, A2=3, t2=1 or 1 Solution: x(t) is is Because , =3g(t)3g(t1) or =3g(t)3g(t+1). (a). y[n]=2x[n2]+5x[n3]+2x[n4] Solution: Then
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