, . - .
f ,
Smin ( ) (. . 4).
: S =½p0 ½ S=½p*½.
f
Smax (. 4).
.
½p0 ½=105 /c, , Smin=½p0 ½, Smax=½p*½,
f=5000 , f=32000 .
f [], φ [], . 10 20 . . , .. Si, ( ) f=(Si, S2,Sj)/(2 ) .
. 10 . 2 KU(f) φ(f), CHAST.BAS (. 3. ).
2
f, | U (f) | φ(f), |
0.99 | -7.2 | |
0.98 | -9.7 | |
0.97 | -13.5 | |
0.94 | -20.6 | |
0.80 | -37.2 | |
0.036 | -87.9 | |
0.78 | 38.9 | |
0.93 | 21.2 | |
0.97 | 13.8 |
, KU(f) , 0≈p*: f0=½p0 ½/(2 ) = 15915 . , f0 . 3 .
3
f, | U (f) | φ(f), |
0.46 | 62.84 | |
0.34 | 70.2 | |
0.25 | 75.5 | |
0.16 | 81.0 | |
0.056 | 85.8 | |
0.057 | 89.7 | |
0.095 | 84.5 | |
0.14 | 81.7 | |
0.24 | 76.0 | |
0.33 | 70.7 | |
0.40 | 66.3 |
, . .
( ) , . ( ) , ( ). , .
|
|
1 , , .
f f 6 , .. . KU(f) ( 0.1 1.0). , .
.5 ), ) (, ) , .
( ) KU(jf)=K(ω)(jφ(f)), U(jf)=A(f)+jB(f)=K(f)cosφ(f) + j K(f)sinφ(f). A, .
f, | A(f) | B(f) |
. 6 KU(jf).