您要查找的是不是:
- It provides experience for engineering seismic prospecting in city. 为城市工程地震勘探提供了可供借鉴的经验。
- Noise has always been the most troublesome problem in seismic prospecting. 噪声始终是地震勘探中最棘手的问题。
- We shall also consider the two types of surface waves, Rayleigh waves and Love waves, most widely observed in seismic prospecting and earthquake seismology. 我们也要研究在地震勘探和天然地震中最经常观测到的两类面波--瑞利波和乐甫波。
- In marine seismic acquisition, the gas bubble produced by an air gun oscillates and generates subsequent pulses that cause source-generated noise. 在海上地震数据采集中,空气枪产生的气泡的振动在地震数据中产生了很多后续的脉冲,即震源产生的噪音。
- 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,一直到现在,由于技术发展的落后,我国海洋石油勘探设备一直都是从国外进口,价格昂贵,维修很不方便。
- This article introduced the basic testing condition, equipment, methods and data processing technology on testing standard of SEG marine seismic air gun. 本文较详细地介绍了SEG海洋地震震源测试标准中有关测试的基本条件、设备、关键方法及数据处理技术。
- There are many modes of field setup in the3-dimensional seismic prospecting,and the conventional bunched field setup is applied more widely. 三维地震勘探观测系统的模式较多,以常规束状观测系统的应用较为广泛。
- The SNR and resolution of seismic data can be effectively improved through high resolution processing of seismic data in shallow seismic prospecting. 浅层地震探测中,通过高分辨率数据处理,能有效地提高资料的信噪比和分辨率。
- The author probed into 3D seismic prospecting in high obliquity building compact districts and the results are delightful. 对高倾角且建筑物密集区的三维地震勘探进行了探索,并取得了可喜的成果。
- 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,现有检波器的发展水平远远落后于其它相关技术,不能满足高分辨率地震勘探的要求。
- 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. 菲律宾国家石油公司与中国海洋石油公司在南海特定海域进行联合海洋地震研究协议。
- The area's seismic prospecting characteristics have tantivy attenuation of seismic waves,strong interference waves,low signal-noise ratio and difficult operational conditions. 该区地震勘探具有地震波衰减快、干扰波强、信噪比低、施工困难等特点。
- The paper has introduced briefly seismic prospecting methods of lateral wave and converted wave, and explained applications of three-dimensional and three-component conv... 本文简要介绍了模波和转换波地震勘探方法,并结合实例说明近年来三维三分量转换波地震技术在煤田勘查中的应用现状。
- Double major producers of metal thermometer, glass thermometer, Marine Seismic thermometers, thermocouple, heat resistance, the pressure thermometers and pressure gauges and other products. 主要生产双金属温度计、玻璃温度计、船用耐震温度计、热电偶、热电阻、压力式温度计和压力表等系列产品。
- 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,承揽完成了英荷壳牌公司“苏北东部地区”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,承揽完成了英荷壳牌公司“苏北东部地区”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. 在地震勘探过程中,随机噪音是影响地震资料信噪比的主要因素之一,尤其是对能量弱、频率低的深层地震信号。
- 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,当第四系地层厚度较薄时,从野外观测到资料处理都较难得到来自第四系地层底界的反射波,因此无法解释第四系地层厚度问题,而这一问题又常常是要解决的地质任务之一。
- Case studies demonstrated that in tunnel engineering investigations,because of tantivy seismic wave energy attenuation,besides appropriate seismic prospecting method,field setup a... 实例说明,在隧道工程勘探中,因地震波能量衰减较快,除了选择合适的地震勘探方法、观测系统及工作参数外,还应特别注意选择较小的偏移距及道距。