seismic wave field 中文意思是什麼

seismic wave field 解釋
地震波場
  • seismic : adj 地震(性)的;由地震引起的;易生地震的。 a seismic area 震域;震區。 the seismic centre [focu...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. Studying the rule of the reflect - coefficient at the interface, simulating the seismic wave travel in the field beyond the critical angle, analyzing the wave polarity diversification, all the work provides a theory for the wide - angle reflection

    通過研究反射系數在超臨界角部分的規律,模擬地震波在超臨界角的傳播,分析了地震波的極性變化,為廣角反射提供理論依據。
  2. The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential

    樂安油田位於東營窪陷南斜坡上,其西區發育了兩套孔店組玄武巖,根據鉆井、測井、地震資料,孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點,地震波呈板狀強反射;沉積期該區有有二次火山活動,玄武巖平面分佈比較穩定,噴發方式為「裂隙式噴溢」 ,火山口分別位於草12和草31井附近。
  3. The frontal structure of longmenshan in the west of sichuan is very complex, showing intense structure deformation in overthrust belt, high structure amplitude, steep stratigraphic dip, developed fault blocks, complex seismic wave field, frequent change of lateral velocity, and poor image of post - stack time migration processing

    摘要川西龍門山前緣構造非常復雜,逆掩推覆構造帶構造形變強烈,構造幅度大,地層傾角陡,斷塊發育,地震波場復雜,速度橫向變化大,常規疊后時間偏移處理成像效果較差。
  4. It has been shown that the complex sites have important effect on seismic wave propagation. moreover, specialists concluded from field investigation that intensity anormaly during destructive earthquakes is in accordance with local site conditions

    復雜場地對地震波傳播有很重要的影響,地震現場調查顯示,地震烈度異常區與場地條件密切相關。
  5. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果,重點閘述了三維折射波靜校正技術,疊前波場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音衰減技術,多次波衰減技術,非對稱雙曲線動校正技術,波動方程動態替換技術,非地表一致性的剩餘時差靜校正技術,超面元迭加處理技術,疊后深度偏移處理,疊前深度偏移處理等。
  6. Wave equation migration can preserve the kinetic characteristics of wave field, so this paper applies common - azimuth prestack depth migration technology to realize 3d processs for 2d seismic data

    摘要波動方程偏移保持了波場動力學特徵,依此本文應用共方位角疊前深度偏移技術來實現二維資料三維化處理。
  7. This conversion is based on the analytic expression of sonic and elastic wave equation, and use the different wave field extrapolation, which is initially used in seismic migration and forward modeling. this paper introduces the easy and efficient finite - difference method to realize the conversion by comparing three different methods

    論文經過對三種常規波場延拓方法( kirchhoff積分法、頻率波數域法和有限差分法)優缺點的比較,採用了簡單易用的有限差分方法來實現這種轉換。
  8. The paper concentrates on seismic wave - field forward modeling and migration for the fractured reservoir. it researches the wavefield extrapolation operator for lateral variation of velocity, design four theoretical models and seven practical models with fracture and cavity. base on the progenitor, in the frequency - wavenumber domain with the pspi wavefield extrapolation operator and arithmetic of forward modeling and migration that applied lateral variation of velocity which is strong, the paper obtains the result of numerical simulation and the wavefield characteristic by the way of the forward modeling and depth migration of poststack seismic wavefield

    本文圍繞縫洞儲層地震波場正演與偏移問題,研究了適用於橫向變速波場延拓運算元,建立了四個理論的縫洞模型和七個實際的縫洞模型,在總結、分析前人的研究成果的基礎上,利用適合橫向速度劇烈變化的相移加插值的波場延拓運算元,在頻率?波數域對上述的地質模型進行正演、偏移處理,最後得到了縫洞儲層地震波場的一些特徵。
  9. The precondition for processing cross - well seismic data is that to perform the original data analysis thoroughly and determine the various waveforms and wave field as well as using the effective way to boost the direct arrival and reflection and suppress the disturbances and other noises

    處理井間地震資料的前提是全面詳盡地分析原始資料,判別確認記錄上的各種波型與波場,採取有效手段突出直達波和反射波等有效波,壓制干擾波和噪音。
  10. Seismic wave field feature of ordovician carbonate karst reservoir ( cave, reef, hole, crack and cranny ) in tahe oil field is the difference magnitude diffraction wave over weak reflection amplitude, so, the diffraction wave exact imaging and fidelity amplitude processing is the basic of carbonate karst reservoir study

    摘要塔河油田巖溶儲集體(洞穴、礁灘、孔洞、裂縫或裂隙等)的地震波場特徵是弱反射背景之上的強弱不同的繞射波,因此,繞射波準確歸位成像和振幅保持是研究巖溶儲集體的基礎。
  11. Some stiffness matrices of special elements such as rubber bearings and components with field are derived from primary - secondary and inverse transform in structural matrix analysis. then, seismic response analytical models and non - isolated continuous rigid frame bridges are set up, while considering the interaction of soil - pile - structure and traveling wave effect simultaneously. finally, the seismic time history response of the two models is calculated by means of the finite element method, and the results show that the isolated bridge posses powerful earthquake resistance

    首先論述了公路大跨徑橋梁的地震反應分析方法,其中包括樁-土-結構相互作用、行波效應等因素對結構物的影響;其次,利用結構矩陣分析中的主從變換和逆步變換,推演了幾個特殊單元的剛度矩陣,包括橡膠隔震層單元和帶剛域構件單元;最後,考慮樁-土-結構相互作用和行波效應的結合,分別建立隔震與非隔震連續剛構橋地震反應分析模型,通過有限元法對兩種結構進行時程分析,結果表明:隔震層上部結構的地震加速度反應、位移反應均明顯減小,這說明隔震的連續剛構橋具有很好的抗震能力。
  12. Seismic record numerical simulating and wave - field characteristic analysis of buried hill surface

    潛山面地震記錄數值模擬及其波場特徵分析
  13. Therefore the dynamical characteristic is acted as detected parameter for fractured detection ( primary amplitude secondary frequence ). and the amplitude of mean sguare and central frequence are acted as evaluational parameter, based on the those studies, the new ideas is put forward that fractured azimuth is dected by lateral difference and fractured density is dected by vertical difference for three facters of fracture, wavelet acted as analysis tool and direction by wave field characteristic applied the multiple scale edge dectection and self - adaptive edge detection into the detection theory of seismic fractured azimuth, also put forward the wavelet different scale filter method of the fractured azimuth detection

    因而,確定了主要以振幅,其次是頻率的地震波動力學特徵作為裂縫檢測的被檢參數和均方振幅和中心頻率作為檢驗檢測結果正確與否的評價參數。在上述研究基礎上,針對裂縫的三要素,提出通過橫向求異檢測裂縫方位和縱向求異檢測裂縫密度的新思想。並以小波作為分析工具,以潛山波場特徵作指導,將數字圖像處理中的多尺度邊緣檢測和自適性邊緣檢測引用到地震裂縫方位檢測中來,並提出了小波變尺度濾波法新的裂縫方位檢測法。
  14. No seismic reflection wave imaging technology, as well as the crustal rocks and the ocean ridges residual magnetic field sensors return reverse, there is no better explanation, can only use " earth ' s magnetic field reversal " to explain this phenomenon in order to cover up the phenomenon nature of the problem

    也沒有地震反射波的成像技術,以至對地殼巖石和大洋洋脊的感應剩磁場來回反向問題,沒有更好的解釋方法,只能用「地球磁場逆轉」來解釋此現象,以現象掩蓋了本質問題。
  15. Seismic wave field modeling with convolutional differentiator algorithm

    地震波場模擬中的褶積微分運算元法
  16. Then, by seismic numericac simulating of the buried hill surface and its internal phase and analysis of characteristic of wave - field, the wave - field charalteristic of the buried hill ' s surface is different to the characteristic of the buried hills " internal phase, and the change of amplitude and frequence is bigger than that of velosity which proves further that dynamical characteristic is more sensitive to fracture than kinetic characteristic

    進而通過潛山面和內幕地面地震記錄的數值模擬和波場特徵分析表明,潛山面和潛山內幕裂縫介質的波場特徵是不一致的,振幅和頻率的變化量大於速度的變化量,從而更進一步證明,對于裂縫的敏感性,動力學特徵優于運動學特徵。
  17. The paper deduced movement and wave equation of seismic wave field in constant q viscoelastic media using the method of pseudo - spectral, and carried on forward modeling, the modeling result is the same with the one of other modeling ways

    摘要本文採用偽譜法推導了常q粘彈介質中地震波場的運動方程和波動方程,並進行了地震波場數值正演模擬,模擬結果達到了其它模擬方法同樣的效果。
  18. By using the data of comprehensive mechanism solutions of small earthquakes and suing the signs of initial p wave recorded by seismic recording, the dynamic changes of stress field of small earthquakes occurred before four moderate - strong earthquakes in north china have been studied

    使用由地震記錄p波初至波符號求取的小震綜合機制解資料,分析研究了華北地區4次中強地震前震源區及其附近小震應力場的動態變化。
  19. In the paper, in order to reveal the characters of seismic migration image affected by velocity model and improve the precision of seismic migration and imaging, we present some analysis to the complex geology conditions, through modeling and migrating the theoretical model, deduce some features of seismic wave field imaging affected by velocity model, and give some advises to improve the imaging and some useful idea

    為了揭示速度模型對地震波場偏移成像的影響特徵,提高偏移成像的精度,對一些復雜地質模型進行了波動方程正演和偏移,並從理論模型的數值模擬結果中,推導出了速度模型對地震波場偏移成像的一些影響特徵,提出了相應的改進建議和一些有益的結論和認識。
  20. Common reflection surface ( crs ) stack, which depends on three attributes of the seismic wave - field, is a seismic imaging method independent of the macro - model

    摘要共反射面疊加方法運用3個地震波場參數來描述地下反射面元時距關系,不對地下反射界面形狀做任何假設,並且是一種不依賴于宏觀速度模型的反射波成像方法。
分享友人