Page 426 - index

ԧɡɝɟɪɦɟɣɞɿ (101 Ω-ɫɭɪɟɬ). Ȼԝɥ ɛɟɪɿɥɿɫɬɟɪ ԛɲɿɧ: x1 x2 0 . ɋɨɥ ɫɟɤɿɥɞɿ, ɛɿɪ

ɞԧԙɝɟɥɟɤɬɿԙ ɬɿɫɿɧɿԙ ɛԧɥɝɿɲ ɲɟԙɛɟɪɞɟɝɿ ԕɚɥɵԙɞɵԑɵ ɟɤɿɧɲɿ ɞԧԙɝɟɥɟɤɬɿԙ

ɨɣɵԑɵɧɵԙ ɟɧɿɧɟɧ ɚɡ ɛɨɥɫɚ, ɨɧɞɚ: bw % b, D w % D (101 ɛ-ɫɭɪɟɬ). Ⱥɥ ɛԝɥ

ɛɟɪɿɥɿɫɬɟɪ ԛɲɿɧ: x1 x2 % 0 .

Ɉɫɶ ɚɪɚɥɵԕ ԕɚɲɵԕɬɵԕɬɵ bw ɠԥɧɟ ɿɥɿɧɿɫɭ ɛԝɪɵɲɵɧ D w ɚɧɵԕɬɚɭ ԛɲɿɧ,

ɚɥɞɵɦɟɧ ɬɿɫɬɿԙ ɛɚɫɬɚɩԕɵ ɲɟԙɛɟɪ ɛɨɣɵɧɞɚԑɵ ԕɚɥɵԙɞɵԑɵɧ ɚɧɵԕɬɚɣɦɵɡ.
ɗɜɨɥɶɜɟɧɬ ɬɟԙɞɟɭɿɧ (6.5) ɩɚɣɞɚɥɚɧɫɚԕ,

sw rw §¨ s 2invD 2invD w ·¸ .
© r ¹

Ɍɿɫɬɿԙ ɛԧɥɝɿɲ ɲɟԙɛɟɪ ɛɨɣɵɧɞɚԑɵ ԕɚɥɵԙɞɵԑɵɧ (6.12) ɫɨԙԑɵ ɬɟԙɞɟɭɝɟ

ԕɨɣɵɩ ɠԥɧɟ r mz , rw pw z ɟɫɤɟɪɿɩ ( pw – ɛɚɫɬɚɩԕɵ ɲɟԙɛɟɪɞɟɝɿ ԕɚɞɚɦ),
2 2S

sw pw ªS 2xtgD zinvD invD w ¼º»
S «¬ 2

ԧɪɧɟɝɿɧ ɚɥɚɦɵɡ.
Ȼɚɫɬɚɩԕɵ ɲɟԙɛɟɪ ԛɲɿɧ ɬɿɫɬɟɪɞɿԙ ԕɚɥɵԙɞɵԕɬɚɪɵɧɵԙ ɠɢɵɧɵ ԕɚɞɚɦԑɚ ɬɟԙ,

ɹԑɧɢ sw1 sw2 pw . Ɉɫɵ ɲɚɦɚɥɚɪɞɵ ԧɪɧɟɤɤɟ ԕɨɣɵɩ,

invD w invD 2x1 x2 tgD (6.14)

z1 z2

ɮɨɪɦɭɥɚɫɵɧ ɚɥɚɦɵɡ.

Ɏɨɪɦɭɥɚɞɚɧ invD w ɲɚɦɚɫɵɧ ɚɧɵԕɬɚԑɚɧɧɚɧ ɤɟɣɿɧ, ɢɧɜɨɥɸɬɬɚɪ ɤɟɫɬɟɫɿɧɟɧ

Dɰ ɲɚɦɚɫɵɧ ɬɚɛɚɦɵɡ. Ȼɚɫɬɚɩԕɵ ɲɟԙɛɟɪɥɟɪɞɿԙ ɪɚɞɢɭɫɬɚɪɵɧ (6.8) ɠԥɧɟ (6.13)

ɮɨɪɦɭɥɚɥɚɪɵɧɚɧ ɚɧɵԕɬɚɣɦɵɡ:

rw1 mz1 cosD , rw2 mz2 cosD . (6.15)
2 cosD w 2 cosD w

Ⱦɟɦɟɤ, ɨɫɶ ɚɪɚɥɵԕ ԕɚɲɵԕɬɵԕ: mz1 z2 cosD . (6.16)
bw
2 cosD w

Ɉɫɶ ɚɪɚɥɵԕ ԕɚɲɵԕɬɵԕɬɵ ԕɚɛɵɥɞɚɭ ɤɨɷɮɮɢɰɢɟɧɬɿ y ɚɪԕɵɥɵ ԧɪɧɟɤɬɟɫɟɤ

bw b ym . ȿɧɞɿ (6.16) ɬɟԙɞɟɭɿɧ ɤɟɥɟɫɿ ɬԛɪɞɟ ɠɚɡɭԑɚ ɛɨɥɚɞɵ:

y z1 z2 ¨¨©§ cocD 1·¸¹¸ .
2 cocD w

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