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- It provides experience for engineering seismic prospecting in city. 為城市工程地震勘探提供了可供借鑒的經驗。
- Noise has always been the most troublesome problem in seismic prospecting. 雜訊始終是地震勘探中最棘手的問題。
- We shall also consider the two types of surface waves, Rayleigh waves and Love waves, most widely observed in seismic prospecting and earthquake seismology. 我們也要研究在地震勘探和天然地震中最經常觀測到的兩類面波--瑞利波和樂甫波。
- In marine seismic acquisition, the gas bubble produced by an air gun oscillates and generates subsequent pulses that cause source-generated noise. 在海上地震數據採集中，空氣槍產生的氣泡的振動在地震數據中產生了很多後續的脈衝，即震源產生的噪音。
- HE Qiao-deng. 1986. Theory and Method of Seismic Prospecting [M]. Geological Press, Beijing (in Chinese). 何樵登.;1986
- But,by this time,limited by the technology,all of the marine seismic devices of our country were bought from fremdness which were very costliness and mantained discommodiousness. 但是，一直到現在，由於技術發展的落後，我國海洋石油勘探設備一直都是從國外進口，價格昂貴，維修很不方便。
- This article introduced the basic testing condition, equipment, methods and data processing technology on testing standard of SEG marine seismic air gun. 本文較詳細地介紹了SEG海洋地震震源測試標準中有關測試的基本條件、設備、關鍵方法及數據處理技術。
- There are many modes of field setup in the3-dimensional seismic prospecting,and the conventional bunched field setup is applied more widely. 三維地震勘探觀測系統的模式較多,以常規束狀觀測系統的應用較為廣泛。
- The SNR and resolution of seismic data can be effectively improved through high resolution processing of seismic data in shallow seismic prospecting. 淺層地震探測中，通過高解析度數據處理，能有效地提高資料的信噪比和解析度。
- The author probed into 3D seismic prospecting in high obliquity building compact districts and the results are delightful. 對高傾角且建築物密集區的三維地震勘探進行了探索,並取得了可喜的成果。
- But the development of geophone far falls behind to other relative technics and can not meet the demands of high resolution seismic prospecting. 但是，現有檢波器的發展水平遠遠落後於其它相關技術，不能滿足高解析度地震勘探的要求。
- An Agreement for Joint Marine Seismic Undertaking on Certain Areas in the South China Sea By and Between Philippine National Oil Company and China National Offshore Oil Corporation. 菲律賓國家石油公司與中國海洋石油公司在南海特定海域進行聯合海洋地震研究協議。
- The area's seismic prospecting characteristics have tantivy attenuation of seismic waves,strong interference waves,low signal-noise ratio and difficult operational conditions. 該區地震勘探具有地震波衰減快、干擾波強、信噪比低、施工困難等特點。
- The paper has introduced briefly seismic prospecting methods of lateral wave and converted wave, and explained applications of three-dimensional and three-component conv... 本文簡要介紹了模波和轉換波地震勘探方法，並結合實例說明近年來三維三分量轉換波地震技術在煤田勘查中的應用現狀。
- Double major producers of metal thermometer, glass thermometer, Marine Seismic thermometers, thermocouple, heat resistance, the pressure thermometers and pressure gauges and other products. 主要生產雙金屬溫度計、玻璃溫度計、船用耐震溫度計、熱電偶、熱電阻、壓力式溫度計和壓力表等系列產品。
- From October, 1993 to March, 1995, GPC completed the seismic prospecting counter-contract in 「East Area of Northern Jiangsu Province」 by British & Holland's Shell Company. 1993年10月至1995年3月，承攬完成了英荷殼牌公司「蘇北東部地區」地震勘探反承包合同。
- From October, 1993 to March, 1995, GPC completed the seismic prospecting counter-contract in 「East Area of Northern Jiangsu Province」 by British &Holland's Shell Company. 1993年10月至1995年3月，承攬完成了英荷殼牌公司「蘇北東部地區」地震勘探反承包合同。
- In seismic prospecting, random noise is one of main factors affecting the S/N ratio of seismic data, especially for deep layer seismic signals of weak energy and low frequency. 在地震勘探過程中,隨機噪音是影響地震資料信噪比的主要因素之一,尤其是對能量弱、頻率低的深層地震信號。
- Seismic prospecting in the area of thin Quaternary strata difficuult to get the reflected wave from bottom of Quaternary strata, so can not to interpret the thickness of Quaternare strata. 在煤田地震勘探中，當第四系地層厚度較薄時，從野外觀測到資料處理都較難得到來自第四系地層底界的反射波，因此無法解釋第四系地層厚度問題，而這一問題又常常是要解決的地質任務之一。
- Case studies demonstrated that in tunnel engineering investigations,because of tantivy seismic wave energy attenuation,besides appropriate seismic prospecting method,field setup a... 實例說明,在隧道工程勘探中,因地震波能量衰減較快,除了選擇合適的地震勘探方法、觀測系統及工作參數外,還應特別注意選擇較小的偏移距及道距。
