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- 企业事业单位考试
答案:
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1.∑try≤1(j=1∑u≥01,2
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2.1)u=(x-x0) (y-y0)j (-20)k
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3.已知x(n)就是实序列,x(n)得4点DFT为X(k)=[1,-j,-1,j],则X(4-k)为( )A、[1,-j,-1,j]B、[1,j,-1,-j]C、[j,-1,-j,1]D、[-1,j,
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4.实序列x(n)的4点DFT X(k)={1, −j, −1, j},则X(4−k)=( ),0≤k≤3。
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5.FOR j:=1 TO n DOIF a[i,k] a(k )<[ijl THENBEGINa[ijl: a[i,k] ak.jlFORU=1 Tondopathli.u):=path[ik,u ]path
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6.FOR j:=1 TO n DOI ali,k ak.
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7.程序:main(){ int i, j, x;for(i=1; i<=4; i ){ for(j=1; j<=4-i; j )printf(“ ”);for(j=0; j<=2*i 1; j )printf
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8.for (j= 1; j<=n; j VG]=(i/j)(j/)
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9.int n-5,a=1,1,j,kfor(1=1;i≤=ni )k=for(=1;j<=n l-i;j )tf(%4d",k)k=k (nj 1)printf"n"=a 1
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10.j 1]= temp