Обработка сейсмических данных в системе FOCUS. Карапетов Г.А - 9 стр.

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ɧɨɪɦɢɪɨɜɨɱɧɵɟ ɤɨɷɮɮɢɰɢɟɧɬɵ. Ɋɟɡɭɥɶɬɚɬ ɚɦɩɥɢɬɭɞɧɨɣ ɪɟɝɭɥɢɪɨɜɤɢ

ɡɚɜɢɫɢɬ ɨɬ ɪɚɡɦɟɪɚ ɜɵɛɪɚɧɧɨɝɨ ɨɤɧɚ. ɉɪɢ ɧɟɛɨɥɶɲɨɦ ɨɤɧɟ ɦɨɠɟɬ

ɧɚɛɥɸɞɚɬɶɫɹ ɧɟɠɟɥɚɬɟɥɶɧɵɣ ɷɮɮɟɤɬ – “ɡɚɪɟɝɭɥɢɪɨɜɚɧɧɨɫɬɢ” ɡɚɩɢɫɢ, ɬ.ɟ. ɜɫɟ

ɚɦɩɥɢɬɭɞɵ ɛɭɞɭɬ ɢɦɟɬɶ ɩɪɢɦɟɪɧɨ ɨɞɢɧɚɤɨɜɵɣ ɭɪɨɜɟɧɶ, ɢ ɧɚɨɛɨɪɨɬ, ɩɪɢ

ɛɨɥɶɲɨɦ ɨɤɧɟ - ɩɪɟɨɛɪɚɡɨɜɚɧɢɟ ɫɜɨɞɢɬɫɹ ɤ ɩɪɨɫɬɨɦɭ ɧɨɪɦɢɪɨɜɚɧɢɸ ɬɪɚɫɫɵ.

ɇɟɨɛɯɨɞɢɦɨ ɜɵɛɪɚɬɶ ɬɚɤɨɟ ɨɤɧɨ, ɤɨɬɨɪɨɟ ɩɨɡɜɨɥɢɥɨ ɛɵ ɩɨɜɵɫɢɬɶ

ɚɦɩɥɢɬɭɞɧɵɣ ɭɪɨɜɟɧɶ, ɢ ɫɨɯɪɚɧɢɬɶ ɩɪɢ ɷɬɨɦ ɞɢɧɚɦɢɱɟɫɤɨɟ ɫɨɨɬɧɨɲɟɧɢɟ

ɚɦɩɥɢɬɭɞ.

2.2. Ɉɛɪɚɬɧɚɹ ɮɢɥɶɬɪɚɰɢɹ.

DECONA – ɩɪɨɝɪɚɦɦɚ ɩɪɟɞɫɤɚɡɵɜɚɸɳɟɣ ɞɟɤɨɧɜɨɥɸɰɢɢ,

ɫɨɫɬɚɜɥɟɧɧɚɹ ɧɚ ɨɫɧɨɜɟ ɚɥɝɨɪɢɬɦɚ ȼɢɧɟɪɚ-Ʌɟɜɢɧɫɨɧɚ, ɩɨɡɜɨɥɹɸɳɚɹ

ɩɨɜɵɫɢɬɶ ɪɚɡɪɟɲɟɧɧɨɫɬɶ ɡɚɩɢɫɢ ɩɭɬɟɦ ɭɫɬɪɚɧɟɧɢɹ ɦɧɨɝɨɮɚɡɧɨɫɬɢ ɫɢɝɧɚɥɚ.

Ʉ ɩɪɨɝɪɚɦɦɟ ɡɚɞɚɸɬɫɹ ɫɥɟɞɭɸɳɢɟ ɩɚɪɚɦɟɬɪɵ (ɪɢɫ . 5):

 ɞɥɢɧɚ ɨɩɟɪɚɬɨɪɚ ɨɛɪɚɬɧɨɝɨ ɮɢɥɶɬɪɚ ɜ ɨɬɫɱɟɬɚɯ ,

 GAP – ɫɩɨɫɨɛ ɡɚɞɚɧɢɹ ɢɧɬɟɪɜɚɥɚ ɩɪɟɞɫɤɚɡɚɧɢɹ: TIME –ɢɧɬɟɪɜɚɥ

ɡɚɞɚɟɬɫɹ ɜ ɦɫ , POINTS - ɢɧɬɟɪɜɚɥ ɡɚɞɚɟɬɫɹ ɜ ɨɬɫɱɟɬɚɯ, ZCROSS -

ɢɧɬɟɪɜɚɥ ɡɚɞɚɟɬɫɹ ɜ ɤɨɥɢɱɟɫɬɜɟ ɩɟɪɟɯɨɞɨɜ ɱɟɪɟɡ ɧɭɥɶ ɮɭɧɤɰɢɢ

ɚɜɬɨɤɨɪɟɥɥɹɰɢɢ,

 ɢɧɬɟɪɜɚɥ ɩɪɟɞɫɤɚɡɚɧɢɹ,

 ɭɪɨɜɟɧɶ ɛɟɥɨɝɨ ɲɭɦɚ,

 TDS1 , TDE1 – ɧɚɱɚɥɶɧɨɟ ɢ ɤɨɧɟɱɧɨɟ ɜɪɟɦɹ ɢɧɬɟɪɜɚɥɚ, ɜ ɤɨɬɨɪɨɦ

ɜɵɱɢɫɥɹɟɬɫɹ ɮɭɧɤɰɢɹ ɚɜɬɨɤɨɪɟɥɥɹɰɢɢ ɞɥɹ ɦɢɧɢɦɚɥɶɧɨɝɨ ɭɞɚɥɟɧɢɹ (First

secondary interpolation key value),

 TDS2, TDE2 - ɧɚɱɚɥɶɧɨɟ ɢ ɤɨɧɟɱɧɨɟ ɜɪɟɦɹ ɢɧɬɟɪɜɚɥɚ, ɜ ɤɨɬɨɪɨɦ

ɜɵɱɢɫɥɹɟɬɫɹ ɮɭɧɤɰɢɹ ɚɜɬɨɤɨɪɟɥɥɹɰɢɢ ɞɥɹ ɦɚɤɫɢɦɚɥɶɧɨɝɨ ɭɞɚɥɟɧɢɹ (Last

secondary interpolation key value).