Detecting thin layer by using different seismic geophones and special processing technique at an archaeological site in Southeastern China

Abstract

Presented by Editorial Board Member V. N. PylypenkoÂëàñòèâîñò³ ãåîôîí³â º âàaeëèâèìè ôàêòîðàìè ï³ä ÷àñ ñåéñì³÷íèõ äîñë³äaeåííÿõ ³ ñóòòºâî âïëèâàþòü íà ÿê³ñòü äàíèõ. Ðîçãëÿíóòî ïðîáëåìó îòðèìàííÿ òà îáðîáêè ñåéñì³÷íèõ äàíèõ äëÿ åêñòðåìàëüíî íåãëèáîêèõ îáºêò³â. Îö³íåíî çàñòîñîâí³ñòü ð³çíèõ ñåéñì³÷íèõ ãåîôîí³â ³ ìåòîäèê îáðîáêè äëÿ âèÿâëåííÿ òîíêîãî ´ðóíòîâîãî øàðó ïîòóaeí³ñòþ áëèçüêî 20 ñì íà ãëè-áèí³ áëèçüêî 2 ì íà àðõåîëîã³÷íîìó îáºêò³ Ëÿíãaeó ó ϳâäåííî-Ñõ³äíîìó Êèòà¿. Íàâåäåíî ñåéñì³÷í³ äàí³, ÿê³ îòðèìàíî ³ç çàñòîñóâàííÿì äâîõ òèï³â ãåîôîí³â: íîðìàëüíèõ ç ð³çíèìè ïðèðîäíèìè ÷àñòîòàìè, âñòàâëåíèõ ó ´ðóíò; òàêèõ, ùî áóêñóþòüñÿ íà òðîñ³ ³ êîíòàêòóþòü ³ç çåìíîþ ïîâåðõíåþ. Êîìá³íàö³ÿ ÷àñòîòíèõ ïåðåâàã äâîõ ð³çíèõ òèï³â ãåîôîí³â ìຠðîçøèðè-òè åôåêòèâíó øèðèíó ñìóãè ÷àñòîò îòðèìàíèõ äàíèõ. Ðîçðîáëåíî ìåòîä ÷àñòêîâîãî óçãîäaeå-íîãî ô³ëüòðóâàííÿ ÷àñòîò ï³ä ÷àñ îáðîáêè äàíèõ, ùî äຠçìîãó ïîë³ïøóâàòè ðîçä³ëåííÿ ñåéñ-ì³÷íèõ â³äîáðàaeåíèõ äàíèõ. Ïîêàçàíî, ùî äëÿ âèÿâëåííÿ òîíêîãî øàðó óçãîäaeåíå ô³ëüòðó-âàííÿ º åôåêòèâí³øèì ïîð³âíÿíî ç áóð³ííÿì òà çàñòîñóâàííÿì ³íøèõ ãåîô³çè÷íèõ ìåòîä³â.Êëþ÷îâ³ ñëîâà: òîíêèé øàð, ñåéñì³÷í³ ãåîôîíè, êàáåëüí³ ãåîôîíè, ÷àñòêîâå óçãîäaeåíå ô³ëüòðóâàííÿ.