Page 88 - index

t1 S -ɝɟ ɞɟɣɿɧ x ԧɫɟ-ԧɫɟ ɤɟɥɟ ɨԙԑɚ ԕɚɪɚɣ ԕɨɡԑɚɥɵɩ, ɨԙ ɠɚԕɬɚԑɵ ɲɟɬɤɿ ɧԛɤɬɟ
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Ⱥ -ԑɚ ɞɟɣɿɧ ɤɟɥɟɞɿ. Ȼԝɥ ɚɪɚԕɚɲɵԕɬɵԕ OA a . Ȼԝɞɚɧ ɤɟɣɿɧ, ɭɚԕɵɬ t1 S-
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ɞɟɧ t2 S -ԑɚ ɞɟɣɿɧ ɤɟɪɿ ԕɚɪɚɣ ԕɨɡԑɚɥɵɩ, ɤɨɨɪɞɢɧɚɬɚ ɛɚɫɵɧɚ (Ɉ) ԕɚɣɬɵɩ
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ɤɟɥɟɞɿ, ɚɥ ɛԝɥ ԕɨɡԑɚɥɵɫԕɚ ɤɟɬɤɟɧ ɭɚԕɵɬ – t2 S . Ɉɫɵɞɚɧ ɤɟɣɿɧ, ɭɚԕɵɬ
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t2 S - ɞɚɧ t3 3S -ԑɚ ɞɟɣɿɧ ɫɨɥԑɚ ԕɚɪɚɣ ԕɨɡԑɚɥɵɩ, ɫɨɥ ɠɚԕɬɚԑɵ ɲɟɬɤɿ ɧԛɤɬɟ
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ȼ -ԑɚ ɞɟɣɿɧ ɤɟɥɟɞɿ. Ȼԝɥ ɚɪɚԕɚɲɵԕɬɵԕ Oȼ a . ɋɨɞɚɧ ɤɟɣɿɧ, ɭɚԕɵɬ t4 2S -ԑɚ
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ɬɟԙ ɛɨɥԑɚɧ ɤɟɡɞɟ ɤɨɨɪɞɢɧɚɬɚ ɛɚɫɵɧɚ ( Ɉ ) ԕɚɣɬɵɩ ɤɟɥɟɞɿ. Ɉɫɵɥɚɣɲɚ,

ԕɚɪɚɫɬɵɪɵɥɵɩ ɨɬɵɪԑɚɧ ԕɨɡԑɚɥɵɫ ԕɚɣɬɚɥɚɧɚ ɛɟɪɟɞɿ. Ԕɨɡԑɚɥɵɫɬɵԙ ɦԝɧɞɚɣ
ɬԛɪɿ ɝɚɪɦɨɧɢɤɚɥɵΙ ɬɟɪɛɟɥɿɫ ΙɨɡΕɚɥɵɫɵ ɞɟɩ ɚɬɚɥɚɞɵ. Ʉɟɣɛɿɪ ɚɧɵԕɬɚɦɚɥɚɪɞɵ
ɤɟɥɬɿɪɟɣɿɤ:

1) ɧԛɤɬɟɧɿԙ ɤɨɨɪɞɢɧɚɬɚ ɛɚɫɵɧɚɧ ɟԙ ԛɥɤɟɧ ɚɭɵɬԕɭɵ ( a ) ɬɟɪɛɟɥɿɫɬɿΝ

ɚɦɩɥɢɬɭɞɚɫɵ ɞɟɩ ɚɬɚɥɚɞɵ;
2) ɧԛɤɬɟɧɿԙ ɛԝɪɵɧԑɵ ɛɚԑɵɬɬɚ ԕɨɡԑɚɥɚ ɨɬɵɪɵɩ, ɛɚɫɬɚɩԕɵ ɨɪɧɵɧɚ ԕɚɣɬɵɩ

ɤɟɥɟɬɿɧ ɭɚԕɵɬɬɵ – ɬɟɪɛɟɥɿɫɬɿΝ ɩɟɪɢɨɞɵ (T 2S ) ɞɟɩ ɚɬɚɣɞɵ.
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ȿɧɞɿ ɠԛɪɿɥɝɟɧ ɠɨɥɞɵԙ ɝɪɚɮɢɝɿɧ ɬԝɪԑɵɡɚɣɵԕ. Ɉɥ ԛɲɿɧ ɚɛɫɰɢɫɫ ɨɫɿɧɟ
ɛɟɥɝɿɥɿ ɛɿɪ ɦɚɫɲɬɚɛɩɟɧ ɭɚԕɵɬɬɵԙ ɲɚɦɚɫɵ ɫɚɥɵɧɚɞɵ, ɚɥ ɨɪɞɢɧɚɬ ɨɫɿɧɟ
ɠԛɪɿɥɝɟɧ ɠɨɥɞɵԙ ɤɨɨɪɞɢɧɚɬɵɧɵԙ ɫԥɣɤɟɫ ɲɚɦɚɫɵ ɤԧɪɫɟɬɿɥɟɞɿ (8-ɫɭɪɟɬ).

ɇԛɤɬɟ ɨԙԑɚ ԕɨɡԑɚɥԑɚɧɞɚ, ɨɧɵԙ ɠԛɪɝɟɧ ɠɨɥɵ ( S ) ɦɟɧ ɤɨɨɪɞɢɧɚɬɚɫɵ ( x )

ɛɿɪ-ɛɿɪɿɧɟ ɫԥɣɤɟɫ ɛɨɥɚɞɵ. Ȼɿɪɚԕ ɧԛɤɬɟ Ⱥ -ԑɚ ɞɟɣɿɧ ɠɟɬɿɩ (6-ɫɭɪɟɬ), ɨɞɚɧ ɤɟɣɿɧ
ɤɟɪɿ ԕɚɪɚɣ ԕɨɡԑɚɥԑɚɧɞɚ ɠɚԑɞɚɣ ɛɚɫԕɚɲɚ ɛɨɥɚɞɵ, ԧɣɬɤɟɧɿ ɛԝɥ ɤɟɡɞɟ,
ɤɨɨɪɞɢɧɚɬɚ ɚɡɚɹ ɛɚɫɬɚɣɞɵ, ɠԛɪɿɥɝɟɧ ɠɨɥ ԧɫɟɞɿ.

8-ɫɭɪɟɬ 9-ɫɭɪɟɬ

ɇԛɤɬɟ t2 S ɭɚԕɵɬɬɚ ɤɨɨɪɞɢɧɚɬɚ ɛɚɫɵɧɚ ɠɟɬɤɟɧ ɤɟɡɞɟ, x ɧԧɥɝɟ ɬɟԙ
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ɛɨɥɚɞɵ, ɚɥ ɛԝɥ ɭɚԕɵɬ ɚɪɚɥɵԑɵɧɞɚ (t 0, t2 S ) ɠԛɪɿɥɝɟɧ ɠɨɥ 2a -ԑɚ ɬɟԙ

2

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