Page 391 - index

Ȼԝɪɵɥɭ ɛԝɪɵɲɵ '\ ɚɡ ɛɨɥɚɬɵɧɞɵԕɬɚɧ, CCxC1 ԛɲɛԝɪɵɲɵɧ ɬɿɤ ɛԝɪɵɲɬɵ

ԛɲɛԝɪɵɲ ɞɟɩ ԕɚɛɵɥɞɚɭԑɚ ɛɨɥɚɞɵ, ɫɨɧɞɵԕɬɚɧ

'b ɫ '\ cos- . (5.20)

Ԧɥɲɟɧɝɟɧ ɚɣɵɪɦɚ ' q ɠԥɧɟ ɛɟɪɿɥɝɟɧ ɮɭɧɤɰɢɹɞɚɧ ɚɭɵɬԕɭɞɵԙ ( '\ )

ɚɪɚɥɚɪɵɧɞɚԑɵ ɛɚɣɥɚɧɵɫɬɵԙ ɠɭɵԕ ɮɨɪɦɭɥɚɫɵ ɠɨԑɚɪɵɞɚԑɵ (5.19) ɠԥɧɟ (5.20)
ԕɚɬɵɧɚɫɬɚɪɵɧɚɧ ɚɥɵɧɚɞɵ:

'\ | 'q . (5.21)
2b c cos-

72-ɫɭɪɟɬ

Ԧɥɲɟɧɝɟɧ ɚɣɵɪɦɚɧɵԙ ' q ɚɧɚɥɢɬɢɤɚɥɵԕ ԧɪɧɟɝɿɧ ɚɥɭ ԛɲɿɧ, bɮ2 ɲɚɦɚɫɵɧ

B ɠԥɧɟ C ɧԛɤɬɟɥɟɪɿɧɿԙ ɚɪɚԕɚɲɵԕɬɵԑɵ ɪɟɬɿɧɞɟ ԕɚɪɚɫɬɵɪɚɦɵɡ, ɫɨɧɞɚ:

bɮ2 >a cosM D 1 c ˜ cos\ E @2 >a sinM D c ˜ sin\ E @2 .

Ɉɫɵ ɲɚɦɚɧɵ (5.17) ɮɨɪɦɭɥɚɫɵɧɚ ԕɨɣɵɩ, ɠɚԕɲɚɥɚɪɞɵ ɚɲԕɚɧɧɚɧ ɤɟɣɿɧ:

'q b2 a2 c2 1 2a cosM D 2c ˜ cos\ E (5.22)
2ac ˜ cosM D ˜ cos\ E 2ac ˜ sinM D ˜ sin\ E .

Ȼԝɥ ɮɨɪɦɭɥɚɞɚ ɫɢɧɬɟɡɞɿԙ ɿɡɞɟɥɿɩ ɨɬɵɪԑɚɧ ɛɟɫ ɩɚɪɚɦɟɬɪɿ ɛɚɪ, ɨɥɚɪ:

a, b, c, D , E .

Ʉԧɪɫɟɬɿɥɝɟɧ ɩɚɪɚɦɟɬɪɥɟɪɞɿ ɚɧɵԕɬɚԑɚɧ ɤɟɡɞɟ, M ɛԝɪɵɲɵ ԧɡɝɟɪɭɿɧɿԙ

ɛɟɪɿɥɝɟɧ ɚɪɚɥɵԑɵɧɞɚ, ԧɥɲɟɧɝɟɧ ɚɣɵɪɦɚ ' q ɲɚɦɚɫɵɧɵԙ ɚɡ ɛɨɥɭ ɲɚɪɬɵ

ɨɪɵɧɞɚɥɭ ɤɟɪɟɤ. Ɉɫɵ ɦɚԕɫɚɬɬɚ, ԧɥɲɟɧɝɟɧ ɚɣɵɪɦɚɫɵɧ ɟɤɿ ɮɭɧɤɰɢɹɧɵԙ
ɚɣɵɪɦɚɫɵ ɪɟɬɿɧɞɟ ɤԧɪɫɟɬɟɦɿɡ (ɨɧɵԙ ɛɿɪɟɭɿɧɞɟ ɫɢɧɬɟɡɞɿԙ ɿɡɞɟɥɿɩ ɨɬɵɪԑɚɧ
ɩɚɪɚɦɟɬɪɥɟɪɿ ɛɨɥɦɚɭ ɤɟɪɟɤ):
'q PM FM .
(5.23)

Ԕԝɪɚɦɵɧɞɚ ɫɢɧɬɟɡɞɿԙ ɩɚɪɚɦɟɬɪɥɟɪɿ ɠɨԕ ɮɭɧɤɰɢɹ FM – ɛɟɪɿɥɝɟɧ

ɮɭɧɤɰɢɹ, ɚɥ ɮɭɧɤɰɢɹ PM – ɠɭɵԕɬɚɭɲɵ ɮɭɧɤɰɢɹ ɛɨɥɵɩ ɟɫɟɩɬɟɥɟɞɿ.

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