Page 593 - index

11-ɫɭɪɟɬ

Ȼɚɪɥɵԕ ɤԛɲɬɟɪɞɿԙ z ɨɫɿɧɟ ɩɪɨɟɤɰɢɹɥɚɪɵɧ ԕɚɪɚɫɬɵɪɚɦɵɡ:

6Z=0, Nɞ (P J ˜ A˜ z) P J˜ A˜ z 0.
g

Ȼԝɥ ɬɟԙɞɿɤɬɟɧ ɞɢɧɚɦɢɤɚɥɵԕ ɤԛɲɬɟɪɞɟɧ ɬɭɵɧɞɚɣɬɵɧ ɿɲɤɿ ɤԛɲɬɿ ɬɚɛɚɦɵɡ

Nɞ P J ˜ A˜ z˜ (1 a ) . (29)
g

Ȼԝɥ ɠɟɪɞɟɝɿ:

J – ɛɨɥɚɬ ɚɪԕɚɧɧɵԙ ɦɟɧɲɿɤɬɿ ɫɚɥɦɚԑɵ;
ɚ – ɠԛɤɬɿԙ ɤԧɬɟɪɿɥɭɞɟɝɿ ԛɞɟɭɿ.
Ȼɨɥɚɬ ɚɪԕɚɧɧɵԙ ԕɢɦɚɫɵɧɞɚԑɵ ɞɢɧɚɦɢɤɚɥɵԕ ɤɟɪɧɟɭ:

Vɞ Nɞ (1 a ) P J˜ Ⱥ ˜ z . (30)
Ⱥ g A

Ȼԝɥ ɮɨɪɦɭɥɚɞɚԑɵ PJ ˜ A˜z – ɫɬɚɬɢɤɚɥɵԕ ɤɟɪɧɟɭ, ɚɥ ¨©§¨1 a ·¹¸¸ –
A g

ɞɢɧɚɦɢɤɚɥɵԕ ɤɨɷɮɮɢɰɢɟɧɬ.

V cɬ Ɋ J˜ A ˜ z ,
A
(31)
a
ɤɞ 1 g .

V ɞ ɤɞ ˜V ɫɬ ɛɨɥԑɚɧɞɵԕɬɚɧ, ɛɟɪɿɤɬɿɤ ɲɚɪɬɵ:

> @V max ɤɞ ˜ V max d V (32)
ɞ ɫɬ (33)

ɧɟɦɟɫɟ > @V max
ɫɬ
d V .
ɤɞ

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