144
Ɂɧɚɹ
1
a
I
, ɦɨɠɧɨ ɪɚɫɫɱɢɬɚɬɶ ɩɨɥɧɵɣ ɬɨɤ ɩɨɜɪɟɠɞɟɧɧɨɣ ɮɚɡɵ Ⱥ ɜ
ɦɟɫɬɟ ɄɁ, ɢɫɩɨɥɶɡɭɹ ɭɫɥɨɜɢɟ (7.14):
1
3
AKa
II
; (7.17)
ɨɧ ɠɟ ɹɜɥɹɟɬɫɹ ɬɨɤɨɦ, ɩɪɨɬɟɤɚɸɳɢɦ ɜ ɡɟɦɥɟ, ɬ. ɟ.
ɡ 0
3
KA
II I
.
ɋɢɦɦɟɬɪɢɱɧɵɟ ɫɨɫɬɚɜɥɹɸɳɢɟ ɧɚɩɪɹɠɟɧɢɣ
0
U
,
2
a
U
ɧɚ ɨɫɧɨɜɟ
ɜɵɪɚɠɟɧɢɣ (6.13), (6.12) ɢ
1
a
U
ɧɚ ɨɫɧɨɜɟ ɭɫɥɨɜɢɹ (7.15) ɜɵɱɢɫɥɹɸɬɫɹ
ɩɨ ɫɥɟɞɭɸɳɢɦ ɮɨɪɦɭɥɚɦ:
000 10
KKa
jx jx
66
UI I
; (7.18)
222 12
aKa Ka
jx jx
66
UI I
; (7.19)
120120Ka Ka K Ka
jx x
66
UUUI . (7.20)
ɋɨɨɬɧɨɲɟɧɢɟ (7.14) ɩɨɡɜɨɥɹɟɬ ɤɨɧɟɱɧɵɟ ɜɵɪɚɠɟɧɢɹ ɞɥɹ ɫɢɦɦɟɬ-
ɪɢɱɧɵɯ ɫɨɫɬɚɜɥɹɸɳɢɯ ɧɚɩɪɹɠɟɧɢɣ ɡɚɩɢɫɚɬɶ ɱɟɪɟɡ ɬɨɤ ɩɪɹɦɨɣ ɩɨɫɥɟɞɨ-
ɜɚɬɟɥɶɧɨɫɬɢ ɨɫɨɛɨɣ ɮɚɡɵ.
Ɉɫɬɚɬɨɱɧɵɟ ɧɚɩɪɹɠɟɧɢɹ ɧɟɩɨɜɪɟɠɞɟɧɧɵɯ ɮɚɡ ȼ ɢ ɋ ɜ ɦɟɫɬɟ ɄɁ ɧɚ-
ɯɨɞɢɦ ɧɚ ɨɫɧɨɜɟ ɫɢɦɦɟɬɪɢɱɧɵɯ ɫɨɫɬɚɜɥɹɸɳɢɯ
1
a
U
,
2
a
U
,
0
U
:
222
1201 2 0
2
120
1;
1.
KB Ka Ka K Ka
KC Ka
jx x
jx x
66
66
½
ªº
«»
°
¬¼
¾
ªº
°
«»
¬¼
¿
UUUUI
UI
aa aaa
aa a
(7.21)
ȼ ɤɨɦɩɥɟɤɫɧɨɣ ɫɯɟɦɟ ɡɚɦɟɳɟɧɢɹ (ɫɦ. ɪɢɫ. 7.8, ɛ) ɫɯɟɦɵ 1, 2, 0 ɫɨ-
ɟɞɢɧɟɧɵ ɩɨɫɥɟɞɨɜɚɬɟɥɶɧɨ, ɨɛɪɚɡɭɹ ɨɞɢɧ ɤɨɧɬɭɪ. ɂɡ ɷɬɨɣ ɫɯɟɦɵ ɜɵɬɟɤɚ-
ɟɬ (7.14): ɪɚɜɟɧɫɬɜɨ ɫɢɦɦɟɬɪɢɱɧɵɯ ɫɨɫɬɚɜɥɹɸɳɢɯ ɬɨɤɨɜ ɜɫɟɯ ɬɪɟɯ ɩɨ-
ɫɥɟɞɨɜɚɬɟɥɶɧɨɫɬɟɣ. Ɍɨɤ
1
a
I
ɩɪɟɞɫɬɚɜɥɹɟɬ ɪɟɡɭɥɶɬɚɬ ɞɟɥɟɧɢɹ ɗȾɋ
6
E
ɧɚ ɫɭɦɦɚɪɧɵɣ ɪɟɚɤɬɚɧɫ ɤɨɧɬɭɪɚ, ɱɬɨ ɢ ɨɬɪɚɠɚɟɬ ɮɨɪɦɭɥɚ (7.16). ɍɫɥɨ-
ɜɢɟ (7.15) ɢ ɜɵɪɚɠɟɧɢɹ ɞɥɹ ɫɢɦɦɟɬɪɢɱɧɵɯ ɫɨɫɬɚɜɥɹɸɳɢɯ ɧɚɩɪɹɠɟɧɢɣ
(7.18)–(7.20) ɬɚɤɠɟ ɦɨɝɭɬ ɛɵɬɶ ɡɚɩɢɫɚɧɵ ɧɟɩɨɫɪɟɞɫɬɜɟɧɧɨ ɢɡ ɫɯɟɦ 1, 2, 0
ɤɨɦɩɥɟɤɫɧɨɣ ɫɯɟɦɵ ɞɥɹ
1
.
ɂɫɩɨɥɶɡɭɹ ɩɨɥɭɱɟɧɧɵɟ ɫɨɨɬɧɨɲɟɧɢɹ ɦɟɠɞɭ ɫɢɦɦɟɬɪɢɱɧɵɦɢ ɫɨ-
ɫɬɚɜɥɹɸɳɢɦɢ ɬɨɤɨɜ (7.14) ɢ ɧɚɩɪɹɠɟɧɢɣ (7.18)–(7.20) ɩɨ ɦɟɫɬɭ ɤɨɪɨɬ-
ɤɨɝɨ ɡɚɦɵɤɚɧɢɹ, ɦɨɠɧɨ ɩɨɫɬɪɨɢɬɶ ɜɟɤɬɨɪɧɵɟ ɞɢɚɝɪɚɦɦɵ, ɢɡɨɛɪɚɠɟɧɧɵɟ
ɧɚ ɪɢɫ. 7.4. ȼɟɤɬɨɪɚ ɬɨɤɚ ɢ ɧɚɩɪɹɠɟɧɢɹ ɧɭɥɟɜɨɣ ɩɨɫɥɟɞɨɜɚɬɟɥɶɧɨɫɬɢ
ɩɪɨɱɟɪɱɢɜɚɸɬɫɹ ɨɞɢɧ ɪɚɡ ɢ ɜ ɩɨɫɥɟɞɭɸɳɟɦ ɢɫɩɨɥɶɡɭɸɬɫɹ ɩɪɢ ɩɨɫɬɪɨɟ-
ɧɢɢ ɜɟɤɬɨɪɧɨɣ ɞɢɚɝɪɚɦɦɵ ɤɚɠɞɨɣ ɮɚɡɵ.