Page 180 - index

Ɍɟɩɟ-ɬɟԙɞɿɤ ɤԛɣɿɧɟɧ ɚɭɵɬԕɭɞɵԙ t ɫԥɬɿɧɞɟɝɿ ɮɚɡɚ k1t D1 ɲɚɦɚɫɵɧɚ ɬɟԙ

ɛɨɥɫɚ, ɚɥ t T1 ɫԥɬɿɧɞɟɝɿ ɮɚɡɚɧɵԙ ɨɞɚɧ ɚɣɵɪɦɚɲɵɥɵԑɵ 2S -ɝɟ ɬɟԙ ɛɨɥɚɞɵ,

ɹԑɧɢ k1 (t T1 ) D1 (k1t D1 ) 2S . Ɉɫɵ ɬɟԙɞɿɤɬɟɧ:

T1 2S ɧɟɦɟɫɟ T1 2S . (33)
k1 k2 n2

Ԧɲɩɟɥɿ ɬɟɪɛɟɥɿɫɬɿԙ ɩɟɪɢɨɞɵ, ɟɪɤɿɧ ɬɟɪɛɟɥɿɫɬɿԙ ɩɟɪɢɨɞɵɧɚɧ ɤԧɩ ɛɨɥɚɬɵɧɵ

30-ɮɨɪɦɭɥɚɞɚɧ ɤԧɪɿɧɿɩ ɬԝɪ. Ԧɣɬɤɟɧɿ k1 % k , ɚɥ ɛԝɥ ԕɚɬɵɧɚɫ, ɮɢɡɢɤɚɥɵԕ

ɬԝɪԑɵɞɚɧ ԕɚɪɚԑɚɧɞɚ, ɤɟɞɟɪɝɿɧɿԙ ԥɫɟɪɿɦɟɧ ɧɟɝɿɡɞɟɥɟɞɿ. ɋɨɧɵɦɟɧ ԕɚɬɚɪ, ɟɝɟɪ
ɨɪɬɚɧɵԙ ɤɟɞɟɪɝɿɫɿ ɚɡ ɛɨɥɫɚ, ɨɧɞɚ 30-ɮɨɪɦɭɥɚɞɚΕɵ n ɲɚɦɚɫɵɧ ɟɫɤɟɪɦɟɣ,

T1 Ɍ ɞɟɩ ԕɚɪɚɫɬɵɪɭԑɚ ɛɨɥɚɞɵ, ɹԑɧɢ ɤɟɞɟɪɝɿ ɚɡ ɛɨɥɫɚ, ɨɧɞɚ ɨɥ ɧԛɤɬɟ

ɬɟɪɛɟɥɿɫɿɧɿԙ ɩɟɪɢɨɞɵɧɚ ԥɫɟɪ ɟɬɩɟɣɞɿ.
Ȼɿɪɚԕ, ԧɲɩɟɥɿ ɬɟɪɛɟɥɿɫ ɤɟɡɿɧɞɟ ɬɟɩɟ-ɬɟԙɞɿɤ ԧɪɿɫɿɧɟɧ ɟԙ ԛɥɤɟɧ ( max )

ɚɭɵɬԕɭɞɵԙ ɲɚɦɚɫɵ ɛɿɪɬɚɥɚɣ ɚɡɚɹɞɵ (7-ɫɭɪɟɬ). Ⱥɭɵɬԕɭɞɵԙ ɲɚɦɚɫɵɧ ɤɟɦɿɬɭ
ԛɲɿɧ ɬɟɪɛɟɥɿɫɬɿΝ ɞɟɤɪɟɦɟɧɬɿ D ( decrementum – ɥɚɬɵɧɲɚ «ɤɟɦɭ»)

ԕɚɛɵɥɞɚɧɚɞɵ.
Ⱦɟɤɪɟɦɟɧɬɬɿԙ ɮɨɪɦɭɥɚɫɵɧ ɚɥɭ ԛɲɿɧ 8-ɫɭɪɟɬɤɟ ɤԧԙɿɥ ɚɭɞɚɪɚɣɵԕ.

8-ɫɭɪɟɬ

ɇԛɤɬɟɧɿԙ ɛɿɪɿɧɟɧ ɤɟɣɿɧ ɛɿɪɿ ɛɨɥɚɬɵɧ ɟɤɿ ɟԙ ԛɥɤɟɧ ɚɭɵɬԕɭɥɚɪɵɧɵԙ ɭɚԕɵɬ

ɚɪɚɥɵԑɵ T1 ɛɨɥɫɚ, ɨɧɞɚ ɬɟɪɛɟɥɿɫɬɟɝɿ ɧԛɤɬɟɧɿԙ ɨɫɵ ɭɚԕɵɬ ɿɲɿɧɞɟ M1 ɨɪɧɵɧɚɧ

M 2 ɨɪɧɵ ɚɪԕɵɥɵ M 3 ɨɪɧɵɧɚ ԧɬɟɬɿɧ ɭɚԕɵɬ ɚɪɚɥɵԑɵ ɞɚ T1 -ɝɟ ɬɟԙ ɛɨɥɚɞɵ (8-

ɫɭɪɟɬ). Ʉɟɥɬɿɪɿɥɝɟɧ ɫɭɪɟɬɬɟɝɿ ɦɚɤɫɢɦɚɥ ɚɭɵɬԕɭ OM1 x1 ɭɚԕɵɬɬɵԙ t1 ɫԥɬɿɧɟ

ɞԥɥ ɤɟɥɫɿɧ, ɚɥ ɫԥɣɤɟɫ ɛɚԑɵɬɬɚԑɵ ɤɟɥɟɫɿ ɦɚɤɫɢɦɚɥ ɚɭɵɬԕɭ OM 3 x3 ɭɚԕɵɬɬɵԙ

t1 Ɍ1 ɫԥɬɿɧɟ ɞԥɥ ɤɟɥɫɿɧ, ɹԑɧɢ ɚɭɵɬԕɭ T1 ɩɟɪɢɨɞɵɧɚɧ ɤɟɣɿɧ ɛɨɥɫɵɧ.

ɋɨɧɞɵԕɬɚɧ D x3 , ɧɟɦɟɫɟ 28-ɮɨɪɦɭɥɚɧɵΝ ɧɟɝɿɡɿɧɞɟ:
x1

> @D
aen(t1T1) sin k1 (t1 T1 ) D1 .
aent1 sin(k1t1 D1 )

ȿɝɟɪ k1T1 ɟɤɟɧɿɧ ɟɫɤɟɪɫɟɤ, ɨɧɞɚ

sin>k1 (t1 T1 D1 )@ sin(2S k1t1 D1 ) sin(k1t1 D1 ) . ɋɨɧɞɵԕɬɚɧ:

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