北邮dsp实验报告.doc

文档介绍：第一题:
流程图:
开始
直接计算32点fft得X(k)
根据所得式子计算X(k)
比较
相等
q=+;n=[0:31];xn=q.^n;
Wn=exp(-i*2*pi/32);k=[0:31];
Xk=(1-q.^n)./(1-q*Wn.^k)
Xk =
Columns 1 through 5
0 - - - - - - -
Columns 6 through 10
- - - - - - -
Columns 11 through 15
- - - - +
Columns 16 through 20
+ + + + +
Columns 21 through 25
+ + + + +
Columns 26 through 30
+ + + + +
Columns 31 through 32
+ +
xn =
Columns 1 through 5
+ + + +
Columns 6 through 10
- + - + - + - + - +
Columns 11 through 15
- - - - - - - - - -
Columns 16 through 20
- - - - -
Columns 21 through 25
+ + + +