數(shù)字信號(hào)處理2049823 知到智慧樹網(wǎng)課答案

數(shù)字信號(hào)處理2049823-知到答案、智慧樹答案第一章單元測(cè)試1A:TB:T:T】2A:B:C:D::【】3A:對(duì)B:錯(cuò):】4A:x=ones(1,4);nh=0:2;h=(nh+1)*ones(1,3);n=0:5;y=conv(x,h);stem(n,y);B:x=[123];h=ones(1,5);n=0:7;y=conv(x,h);stem(n,y);C:x=ones(1,5);nh=0:2;h=(nh+1).*ones(1,3);n=0:6;y=conv(x,h);stem(n,y);:x=ones(1,5);nh=0:2;h=(nh+1).*ones(1,3);n=0:6;y=conv(x,h);stem(n,y);】5A:B:C:D::【】6A:B::】7A:B:C:D::【】8A:3B:8C:8/3D::8】9A:5B:40C:20D:10:10】10A:B:C:D::】11A:B:C:D::】12A:B::【】13A:B:C:D::【】14A:B:C:D::】15A:B:C:D::】16a=[10.9-0.81];x=ones(1,100);y=filter(b,a,x);a=[1-0.90.81];x=ones(1,100);y=filter(b,a,x);:a=[1-0.90.81];x=ones(1,100);y=filter(b,a,x);】17A:10msB:150msC:2msD:200ms:2ms】18A:B:TC:D::【】19A:20HzB:100HzC:60HzD:40Hz:20Hz】第二章單元測(cè)試1A:B:C:D::【】2A:B:C:D::【】3A:B:C:D::【】4A:B:C:D::【】5A:錯(cuò)B:對(duì):】6A:B:C:D::【】7A:B:2C:D::2;;】8A:B:C:D::【】9A:B:C:D::】10_______________。A:B:C:D::【】111LSI1000Hz00HzA:B:C:D::【】12A:B::【】13______________。A:B:C:D::【】14A:B:C:D::【】15LSI___________。A:B:C:D::【】第三章單元測(cè)試1A:B:C:D::【】2A:B:C:D::【】3A:B:C:D::;】4A:B:C:D::【】5A:B:C:D::】6A:B:C:D:A,B,C:【】7A:B:C:D::【】8A:B:C:D::【】9A:“”B:“”:“”】18010sKHz100DFT102410sA:79B:C:87D:88:【87】11A:B:C:D::】12A:B:C:D::【】13A:B:C:D::【】1410Hz1KHzN_________。A:200B:100C:20D:10:【200】第四章單元測(cè)試1LSIx(n)260h(n)2602-FFTy(n)x(n)h(n)A:520B:1024C:512D:519:1024】22-FFTN=1000x(n)X(k)A:10240次B:5120次C:1000000次D:1024次:5120次】3A:B:C:D::【】4A:B:C:ND::N】5N=2MN-2-DIF-FFTA:B:C:D::【】6A:B:C:D::】72-FFTN=2M(M)DFTA:NB:M/2N/2C:M/2ND:N/2:N/2】8A:B:C::;;】9100252-FFTFFT(IFFTFFT)A:2次B:4次C:1次D:3次:3次】10A:能B::能】第五章單元測(cè)試16IIRA:B:I型C:D:II型:】2A:B:C:D::】3IIRIIIA:B:C:D::】4A:FIRB:FIRC:IIRD:FIRIIR:FIRIIR】5IIRA:B:C::【】6A:B:C::【】7A:B:C::【】8A:B:C:D::【】9A:B:C:FIRD::;FIR;】10A:B:C:D::【】第六章單元測(cè)試1IIRHa(s)H(z)szA:B:C:D::】2A:IIRB:IIRC:IIRD:IIR:IIR;IIR;IIR】3A:B:C:D::【】4szΩωA:B::】5A:B:C:D::【】6A:B::】7A:B::【】8szA:B:C:D::】9A:B:C:D::【】10A:B:C:D::【】11A:B:C:D::】12A:B:C:D::】第七章單元測(cè)試1A:B:C:D::【】2A:B:C:D::【;;】3A:B:C:44D::【】4A:4B:5C:7D:6:6】5A:B:C:D::;】6A:B:C:D::【】7FIRA:B:C:D::;;】8FIRA:B:C:D:z:【;z】9A:B:C: