seismic ray 中文意思是什麼
seismic ray
解釋
地震波射線-
We performed crosswell tomography on a real crosswell seismic line from shengli oilfield by using simultaneous iterative reconstruction technique ( sirt ) based on shortest path tree ( spt ) curved ray tracing
摘要利用基於最短路徑樹彎曲射線追蹤的聯合迭代重建層析成像（ sirt ）技術進行井間地震層析成像，對勝利油田的一對井間實際資料進行了處理。 -
It can be used to create the model data file for the seismic forward modeling semi - automatically. thus, the two primary difficult problems of low efficiency and accuracy have been solved very well. 2. graphic and digital image processing technique are introduced into geological modeling, and some kinds of arithmetic are presented, based on which fast model input for ray tracing and wave equation forward modeling have been both achieved
首次建立了獨立於大型地震勘探專業軟體的開放式構造地質模型輸入系統，開發了針對于射線層狀結構模型和網格化波動方程模型的輸入軟體，大大地簡化了模型輸入的過程，極大地提高了構造地質模型的輸入效率，解決了以往模型輸入精度和效率不高的兩大難題。 -
The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation
研製的井間地震正演合成記錄的程序，可用來對不同速度、不同傾角的地質模型，通過最小旅行時的射線追蹤或四階差分聲波波動方程，計算出對于給定震源和給定檢波點的井間地震合成記錄。 -
The traditional algorithm of volume rendering is ray - casting, not a proper algorithm for the large 3 - d seismic data, referring some improved method and considering the characteristic of seismic data, a new fast ray - casting algorithm of oriented image space and negative - view transform was brought forward. as a result, this algorithm excels the traditional obviously by speed with image quality in experiment
體繪制的傳統演算法是光線投射法，由於地震數據量大而繪制速度太慢，本文在借鑒一些改進演算法的基礎上，結合地震數據的特點，提出了一種基於圖像空間的逆視變換的加速光線投射演算法，實驗結果表明該演算法在保證相同圖像效果的同時，具有明顯的速度優勢。 -
Geological model is set up by using seismic data interpretation result to perform ray - trace forward modeling analysis, and to guide the establishment of initial velocity model of pre - stack depth migration, thus reaching the purpose of precise image of complex structure under complex surface
利用已有地震資料解釋成果，建立地質模型進行射線追蹤正演模擬分析，從而指導疊前深度偏移初始速度模型的建立，達到了復雜地表下復雜構造精確成像的目的。 -
The least traveltime ray tracing method can greatly reduce the amount of calculation for tomographic inversion and increase the accuracy for ray tracing. the important method to do the cross well seismic reflection image is xsp - cdp algorithm
研究的最小旅行時射線追蹤法可大大減少層析反演的計算工作量並提高射線追蹤的精度；井間地震反射成像主要採用xsp - cdp方法。 -
Secondly this paper study the seismic wave when it crosses the interface. when the seismic wave travel from a small wave - impedance into a big wave - impedance, the energy changes with the angle between the ray and interface
當地震波從波阻抗小的介質傳播到波阻抗大的介質時，反射波的能量隨入射角度變化，在臨界角以內反射系數為實數。 -
On the basis of the calculating of complexity ( c value ) and combination entropy ( h value ) from the numerical method of geoanomaly analysis, logged signals data ( spontaneous potential, acoustic slowness, spontaneous gamma ray and electrical resistivity ) and seismic data ( amplitude, frequency, phase, etc. ) are processed after regularization of data obtained from linqing basin of shengli oil field. many types of geoanomalies obtained from the computation are analyzed so the spacial variation rules of them can be discovered. then the oil regions can be predicted by this method
本文創新性地將地質異常概念引入油氣勘探領域，以地質異常理論為指導，以勝利油田臨清坳陷油氣地質異常預測研究為例，針對我國陸相含油氣盆地的常規測量、測試和解釋數據，如與地震相關的數據（振幅、頻率、吸收系數、層速度等） 、與測井相關的數據（自然電位、聲波、視電阻率、自然伽馬等）等，提取不同數據類型的地質異常以及異常組合特徵，通過對這些參數的綜合研究分析其空間變化規律，系統地建立有效預測油氣藏的新技術和新方法，進而達到區域油氣資源預測的研究目的。
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