2

4

n-m n-m

5.mnKgn-mn-m

Kgm

s=x+jy, 1=cos(2k+1)+j sin(2k+1)(De Moive)(cosq +j sinq )n= cos(nq )+j sin(nq )

5.

[4-2]

6 []p1p2p3 p4z1 z2 s1s1[p2 ,p1]z1 z20p20p1180s2p3 p40s3

[4-3] []

7

7

[]

p1184-11KgKg

-0.4725-3.5275

8

[4-5]

9

10

12 10

n-m

(0]

(0]

(0]