Page 506 - index
P. 506
Ȼԝԑɚɧ ԕɨɫɚ, CosD 1 ɠԥɧɟ SinD tg 2D ɟɤɟɧiɧ ɟɫɤɟɪiɩ,
1 tg 2 2D 1 tg 2 2D
ɬɟԙɞiɤɬɟɪɞɟɝi D ɛԝɪɵɲɵɧɚɧ ԕԝɬɵɥɚɦɵɡ. ɋɨɧɞɚ:
J max Jx Jy r §¨¨© Jy Jx ¸¹¸· 2 J 2 . (5.17)
min 2 2 xy
6-ɬɚɪɚɭ. ɕɋɕɊɕɅɍ. ȻԜɊȺɅɍ
§1. Ɍɚɡɚ ɵɫɵɪɵɥɭ ɠԥɧɟ ɨɧɵԙ ɟɪɟɤɲɟɥɿɤɬɟɪɿ ɬɭɪɚɥɵ
ȿɝɟɪ ɤɨɧɫɬɪɭɤɰɢɹɞɚɧ ɛԧɥɿɧɿɩ ɚɥɵɧԑɚɧ ɷɥɟɦɟɧɬɬɿԙ ԕɵɪɥɚɪɵɧɞɚ ɬɟɤ ԕɚɧɚ
ɠɚɧɚɦɚ ɤɟɪɧɟɭɥɟɪ ɩɚɣɞɚ ɛɨɥɫɚ, ɨɧɞɚ ɤɟɪɧɟɭɥɿɤ ɤԛɣ ɬɚɡɚ ɵɫɵɪɵɥɭ ɞɟɩ
ɚɬɚɥɚɞɵ. ȼ.ɂ. Ɏɟɨɞɨɫɨɜɬɵԙ ɨԕɭɥɵԑɵɧɞɚ ɤɟɥɬɿɪɿɥɝɟɧ ɟɤɿ ɦɵɫɚɥɞɵ ɚɥɵɩ
ԕɚɪɚɣɵԕ (ȼ.ɂ. Ɏɟɨɞɨɫɨɜ. ɋɨɩɪɨɬɢɜɥɟɧɢɟ ɦɚɬɟɪɢɚɥɨɜ. 1986.).
Ɍԧԙiɪɟɝi, ԧɡɚɪɚ ɬɨɩɫɚɥɵ ɛɿɪɿɤɬɿɪɿɥɝɟɧ, ԕɚɬɚԙ ɛɚɫɬɵɪɦɚɥɚɪ ɚɪԕɵɥɵ
ɛɟɤɿɬɿɥɝɟɧ, ɩɥɚɫɬɢɧɚԑɚ Ɋ ɤԛɲɿ ԥɪɟɤɟɬ ɟɬɿɩ ɬԝɪ ɞɟɣiɤ (69 ɚ-ɫɭɪɟɬ).
ɉɥɚɫɬɢɧɚɧɵԙ ԥɪ ɧԛɤɬɟɫiɧɞɟɝi ɠɚɧɚɦɚ ɤɟɪɧɟɭɥɟɪ (69 Ω-ɫɭɪɟɬ) ɬԧɦɟɧɞɟɝi
ɮɨɪɦɭɥɚɦɟɧ ɬɚɛɵɥɚɬɵɧɵ ɛɟɥɝɿɥɿ
W Ɋ,
G "
G – ɩɥɚɫɬɢɧɚɧɵԙ ԕɚɥɵԙɞɵԑɵ.
69-ɫɭɪɟɬ
Ȼɚɫɬɵɪɦɚɥɚɪɞɵԙ ɦɚԙɵɧɞɚԑɵ ɚɥɚɩɬɚ ɤɟɪɧɟɭɥɟɪ, ԥɪɢɧɟ, ɛɚɫԕɚɲɚ ɡɚԙɦɟɧ
ɬɚɪɚɥԑɚɧɵɦɟɧ, ɨɥɚɪɞɵ ɋɟɧ-ȼɟɧɚɧ ɩɪɢɧɰɢɩɿ ɛɨɣɵɧɲɚ ɟɥɟɦɟɭɝɟ ɛɨɥɚɞɵ.
ȿɤɿɧɲɿ ɦɵɫɚɥ ԛɲɿɧ ɠԝԕɚ ԕɚɛɵɪԑɚɥɵ ɰɢɥɢɧɞɪɞɿ ɚɥɭԑɚ ɛɨɥɚɞɵ (70 ɚ-
ɫɭɪɟɬ). Ɉɧɵԙ ɟɤɿ ԕɚɩɬɚɥɵɧɚɧ ɦɨɦɟɧɬɬɟɪ (m) ԥɪɟɤɟɬ ɟɬiɩ ɬԝɪ ɞɟɩ ɟɫɟɩɬɟɣɦɿɡ.
ɋɵɪɬԕɵ ɦɨɦɟɧɬ ɩɟɧ ɠɚɧɚɦɚ ɤɟɪɧɟɭɥɟɪ (70 Ω, ɛ-ɫɭɪɟɬɬɟɪ) ɚɪԕɵɥɵ
ԧɪɧɟɤɬɟɥɝɟɧ ɿɲɤɿ ɤԛɲɬɟɪɞiԙ ɦɨɦɟɧɬɟɪiɧiԙ ɬɟԙɞɟɭi ɛɨɣɵɧɲɚ:
504
