震響反射 的英文怎麼說
中文拼音 [zhènxiǎngfǎnshè]
震響反射
英文
moro reflex-
Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed
本文以裂隙介質的波動理論作指導，根據hudson裂隙理論，求出eda介質的彈性參數。在此基礎上，應用christoffel方程求出的地震縱波相速度表達式，探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on
主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。Through observing the influence of different geometry to reflect wave in deep layer, using seismic digital simulation tracing method, analyzing the influence of max - offset, trace interval, fold and geophone planting to reflecting energy, this article, summarizes, in both theory and practice, the application result of " bin stack " acquisition method
通過不同觀測系統對提高深層反射信號的影響，採用地震數值模擬射線追蹤方法，分析了觀測系統中最大炮檢距、道距、覆蓋次數及檢波器埋置，對提高深層反射信號能量的影響，從理論到實踐總結了「面元疊加」採集技術的應用效果。In seismic prospecting, static correction is always cared by prospector and not resolved finally, especially for complicated - surface area. static correction influences on the reflection image and can lead to fault seismic interpretation and finally lead to dry - well. so it is very important and necessary for us to research
在地震勘探中，靜校正問題一直受到地震勘探工作者的特別關注，始終是注重解決而未能徹底解決的問題，特別是在復雜地表地區的地震勘探中；靜校正問題的存在，直接影響地震反射波的成像，致使地震剖面出現假構造，給解釋人員帶來錯誤的認識。Further, analyse the characteristic of the seismic wavefield of fractural reservoir and the influence caused by fracture density, property of the filled material and the strike of fracture. fifthly, in term of research of zhangshulun et al., concisely discuss the arithmetic of the plane wave forward modeling and migration with phase shift method, in prestack common offset gathers and check the arithmetic by numerical simulation
第四，用基於彈性?聲學近似的反射系數計算公式和本文提出的付氏變換子波生成法得到縫洞模型的反射系數模型和子波模型並用vrselrf波場延拓運算元對其進行地震波場數值模擬；進一步分析了縫洞儲層的地震波場特徵及縫洞密度、充填物性質和裂縫走向對其波場特徵的影響。As for dam ' s dynamic properties in condition of elastic foundation, author uses mapping infinite element, which can reflect displacement ' s property of diminishing in semi - infinite materials. through exchanging data between three analytic software - matlab, ansys, fortran, dynamic properties of dam is computed in condition of elastic foundation. and then the dynamic displacement curve is obtained under the load of earthquake with the method of newmark - b
對于彈性地基情況下壩體的動力特性，作者採用了能夠反映半無限域介質中位移衰減特性的映射無限元，通過matlab 、 ansys 、 fortran三種計算軟體之間數據交換得出了彈性地基下壩體的動力特性，並通過自編newmark -法程序計算了壩體在地震荷載作用下動位移響應。To investigate the influence of transmission attenuation of seismic waves in a layer - cake model, the authors formulated a seismic convolution model by considering the coefficient of transmission attenuation, and then provided a new forward algorithm for the model - based seismic inversion of impedance
摘要研究了地震波在層狀地質模型內透射衰減對地震反射信號振幅的影響，給出了含透射衰減的褶積模型，為基於模型的波阻抗反演提供了一種新的正演方法。Effects of frozen soil layer and radiant damp of foundation soil on site earthquake responses are studied in detail. the seismic wave that is prerequisite at the seismic responses calculation of structure is obtained by using back analysis
研究了凍土層的存在、地基輻射阻尼等因素對場地地震反應的影響以及通過反演計算得到結構地震反應分析時所需要的地震波。( 4 ) a veries of depositional system of early cretaceous have been identified firstly : basin floor fan, slope fan, leveed channel, subparallel facies, slump facies, lowstand wedge, tst, hst. combining with seismic reflection and log response, this paper discusses distribution of above facies, microfacies and reservoir characteristics
（ 4 ）首次確定了下白堊統的各種沉積體系：盆底扇、斜坡扇、有堤水道、亞平行相、滑塌相、低位楔、 tst 、 hst ，結合地震反射和測井響應，討論了它們的分佈，微相和儲層特徵，對今後勘探開發上作無疑有重要價值。This paper studies the ground motion of a triangular hill and antiplane response of a dike with flexible soil - structure interface while impacted by sh waves. the methods of complex function and moving coordinate system as well as a simple model are used here
通過復變函數法和移動坐標法，分別求解了sh波入射時三角形凸起地形對地震動的影響和柔性基礎上三角形壩體結構的出平面反應。Seismic reflection features major influential factors analysis based on forward modeling
基於正演模擬的地震反射特徵主要影響因素分析分享友人