Page 87 - index

5. Ԕɨɡԑɚɥɵɫ ɝɪɚɮɢɝɿ. ɇԛɤɬɟɧɿԙ ԕɨɡԑɚɥɵɫɵɧ ɡɟɪɬɬɟɝɟɧ ɤɟɡɞɟ, ɤɟɣɞɟ
ɝɪɚɮɢɤɚɥɵԕ ɬԥɫɿɥɞɟ ԕɨɥɞɚɧɵɥɚɞɵ. Ɉɥ ԛɲɿɧ ԧɡɚɪɚ ɩɟɪɩɟɧɞɢɤɭɥɹɪ ɟɤɿ ɨɫɶ
ɚɥɵɧɚɞɵ ɞɚ, ɚɛɫɰɢɫɫɚ ɨɫɿɧɟ ɛɟɥɝɿɥɿ ɛɿɪ ɦɚɫɲɬɚɛɩɟɧ ɭɚԕɵɬɬɵԙ ɲɚɦɚɫɵ
ɫɚɥɵɧɚɞɵ, ɚɥ ɨɪɞɢɧɚɬ ɨɫɿɧɟ ɞɨԑɚɥɵԕ ɤɨɨɪɞɢɧɚɬɵɧɵԙ ( s ) ɫԥɣɤɟɫ ɲɚɦɚɫɵ
ɤԧɪɫɟɬɿɥɟɞɿ (5-ɫɭɪɟɬ).

5-ɫɭɪɟɬ
Ɉɫɵ ɤɟɡɞɟ ԕɨɡԑɚɥɵɫ ɡɚԙɵ ɛɟɥɝɿɥɿ ɛɿɪ Ⱥȼ ɫɵɡɵԑɵɦɟɧ ɤԧɪɫɟɬɿɥɟɞɿ. Ⱥɬɚɥԑɚɧ
ɫɵɡɵԕ ΙɨɡΕɚɥɵɫ ɝɪɚɮɢɝɿ ɞɟɩ ɚɬɚɥɚɞɵ. Ԕɨɡԑɚɥɵɫ ɝɪɚɮɢɝɿ ԕɨɡԑɚɥɵɫɬɵ ɤԧɪɧɟɤɿ
ɟɬɿɩ ɤԧɪɫɟɬɟɞɿ. ɋɨɧɵɦɟɧ ԕɚɬɚɪ ԕɨɡԑɚɥɵɫ ɝɪɚɮɢɝɿɧ ɧԛɤɬɟ ɬɪɚɟɤɬɨɪɢɹɫɵɦɟɧ
ɠԥɧɟ ɠԛɪɿɥɝɟɧ ɠɨɥɞɵԙ ɝɪɚɮɢɝɿɦɟɧ ɲɚɬɚɫɬɵɪɵɩ ɚɥɦɚɭ ɤɟɪɟɤ. Ʉɟɥɬɿɪɿɥɝɟɧ
ɬԛɫɿɧɿɤɬɟɪɞɿԙ ɚɣɵɪɦɚɲɵɥɵԕɬɚɪɵɧ ɠɟɬɟ ɬԛɫɿɧɭ ԛɲɿɧ ɤɟɥɟɫɿ ɦɵɫɚɥɞɵ
ԕɚɪɚɫɬɵɪɚɣɵԕ.
Ɇɵɫɚɥ. Ȼɟɪɿɥɝɟɧ ɧԛɤɬɟ x a sin kt ɡɚԙɵ ɛɨɣɵɧɲɚ ɬԛɡɭ ɫɵɡɵԕɬɵ
ԕɨɡԑɚɥɵɫɬɚ ɛɨɥɫɵɧ. Ȼԝɥ ɬɟԙɞɟɭɞɟɝɿ ɚ ɠԥɧɟ k ɬԝɪɚԕɬɵ ɲɚɦɚɥɚɪ.
Ԕɨɡԑɚɥɵɫɬɵԙ ɠԥɧɟ ɠԛɪɿɥɝɟɧ ɠɨɥɞɵԙ ɝɪɚɮɢɝɿɧ ɬԝɪԑɵɡɭ ɤɟɪɟɤ.

ɇԛɤɬɟɧɿԙ ɬɪɚɟɤɬɨɪɢɹɫɵ ɬԛɡɭ ɫɵɡɵԕ; ɨɫɵ ɫɵɡɵԕɬɵ Ox ɨɫɿ ɪɟɬɿɧɞɟ
ԕɚɛɵɥɞɚɣɵԕ (6-ɫɭɪɟɬ). Ԕɨɡԑɚɥɵɫ ɝɪɚɮɢɝɿɧ ɛɟɥɝɿɥɿ ɛɿɪ ɦɚɫɲɬɚɛɩɟɧ O1 t x
ɤɨɨɪɞɢɧɚɬɚ ɠԛɣɟɫɿɧɞɟ ɬԝɪԑɵɡɚɦɵɡ. Ȼԝɥ ɝɪɚɮɢɤ ɫɢɧɭɫɨɢɞɚ ɬԛɪɿɧɞɟ ɛɨɥɚɞɵ
(7-ɫɭɪɟɬ).

6-ɫɭɪɟɬ 7-ɫɭɪɟɬ

Ɍԝɪԑɵɡɵɥԑɚɧ ɬɪɚɟɤɬɨɪɢɹ ɦɟɧ ɝɪɚɮɢɤ ɧԛɤɬɟ ԕɨɡԑɚɥɵɫɵɧ ɬɨɥɵԕ ɬԛɫɿɧɞɿɪɟɞɿ.
Ɇɵɫɚɥɵ, 6-ɫɭɪɟɬɬɟ ɤԧɪɫɟɬɿɥɝɟɧɞɟɣ Ɉ -ɞɚɧ ɛɚɫɬɚɩ, ɹԑɧɢ x 0 ɤɟɡɞɟɧ ɛɚɫɬɚɩ
ɛɟɪɿɥɝɟɧ ɧԛɤɬɟ Ox ɬɪɚɟɤɬɨɪɢɹɫɵɦɟɧ ԕɨɡԑɚɥɵɫɬɵ ɛɚɫɬɚɣɞɵ. ɍɚԕɵɬ t 0 -ɞɟɧ

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