正震波 的英文怎麼說
中文拼音 [zhēngzhènbō]
正震波
英文
normal shock wave-
A normal mode model for ocean seismo - acoustics in shallow water
淺海地震波傳播的簡正波模型Application the forward model we can get the profile of medium that combine in some condition, in order to conduct the attributes optimize, the paper offer some basic principle, and discuss the reliability of attributes from the character of incident wave and from the character of the inter - bed and from the reliable zoon of attributes
正演模型是我們研究地震波屬性和地球物理正問題的一種有效的方法,利用正演模型的研究,提取一些介質組合情況下常用的屬性剖面。提出了一些屬性優化的原則,並且從入射波的特性和巖性以及屬性可信度區間討論地震波屬性可靠性,指導屬性參數的優化。It ' s indirectly proved that the oriented method is a reliable and practical. moreover, the natural fracture direction tested by the underground microseismic monitoring system also proved that the orientation technique is correct and comparable. 6
同時,針對該試驗區塊,對兩口開發井進行了地下微地震波監測,測得的人工裂縫方位與實驗測得的最大主地應力方向非常吻合,進一步證明了該方法的正確性和可比性。The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus
地震波速法檢測路基擋墻強度,研究的主要內容有:片石巖性和強度及塊體形體對波速的影響;水泥砂漿強度對墻體波速的影響;擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。Velocity variation is positively correlated with crust thickness and negatively correlated with earth ' s heatflow. the linear regression equation of velocity, crust thichness and heatflow is obtained. the regression coefficient dv / dp convert
同時地震波速廠與地殼厚度h呈明顯的線性正相關關系,與大地熱流呈負相關關系,並得到三者的線性回歸方程,回歸系數dv dh換算成bv op ?The dissertation focuses on seismic wavefield forward modeling and migration for the fractured reservoir. the paper integrates and researches the wavefield extrapolation operator for lateral variation of velocity, analysis of the wavefield characteristic, forward modeling and depth migration of prestack and poststack seismic wavefield, creation of wavelet, design of the model with fracture and cavity, and computation of reflectivity
本文圍繞縫洞儲層地震波場正演與偏移問題,對橫向變速波場延拓運算元;疊前與疊后正演模擬;疊前與疊后深度偏移;子波的生成;縫洞模型的設計、反射系數的求取、正演、偏移及其波場特徵分析進行了一體化研究。In term of analyzing and summarizing the existing achievement, propose an advanced and practical wavefield extrapolation operator and arithmetic of forward modeling and migration, which obtain numerical simulation and analysis completely and systemically and exploited new field of fractured reservoir seismic wavefield numerical simulation and applicationin in frequency - wavenumber domain
在總結、分析前人研究成果的基礎上,提出了具有前瞻性和實用性的波場延拓運算元與正演、偏移演算法,較系統全面地進行了數值計算與分析,開辟了頻率?波數域縫洞儲層地震波場數值模擬與應用的新領域。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。However, further reflection is possible at the front face of a structure when it is struck by the blast wave.
然而,當結構物的正面受到爆震波沖擊時,也有可能再次進行反射。At 1 mile from a 1-megaton explosion, for example, the duration of the positive phase of the blast wave is about 2 seconds.
例如在離一枚一百萬噸爆炸一哩的地方,爆震波的正延續時間約為2秒。This paper deals with the extraction of the seismic attributions, describes their physical significance, studies the relationships between seismic velocity, density and seismic attributions by using model technology, analyses geological implications of seismic attributions, and provides grounds for analysing and selecting seismic attributions in practical application
摘要介紹了地震屬性的提取及其物理意義,通過正演模型技術研究了地震波傳播速度、密度及深度與地震屬性之間的關系,分析地震屬性的地質意義,為在實際應用中對地震屬性的分析、選取提供了一定的依據。In this study, the transonic shock - wave / boundary - layer interaction and viscous shear stress for the turbine and compressor stator were simulated used the implicit two - factor flux - splitting schemes for solving the thin - layer compressible flow
除驗證各式正確性外並模擬葉片外形對氣流分離、震波/邊界層相互干擾及壓縮比等關系,以及流體黏滯性等影響下,引擎能量損失與效益分析。It is significant for energy exploration, seismic prospecting, groundwater utilized and rock engineering to study the characteristics of seismic wavefields in those orthotropy media
研究正交各向異性介質中地震波場特徵對地震預測、巖體工程、地下水利用和能源勘探開發有十分重要的意義。Because the synthetic seismic record and the seismic record data got in the surface are not well matching caused by the dispersion of seismic wave, frequent correction between them must be done before use. under control of well logging data, there are two important methods to get wave impedance from seismic data inversion : wave impedance inversion method based on convolution model and wave impedance inversion method based on wave equation. using seismic data attributes can predict the information of logs
測井資料和地震資料是地震勘探中兩種最重要的資料,由於地震波的頻散,使合成地震記錄與地面地震記錄不能完全匹配,因此使用之前必須對二者進行頻率校正地震資料在測井資料約束下可以進行反演,以求取地下波阻抗,主要有兩種方法:基於褶積模型的波阻抗反演方法和基於波動方程的波阻抗反演方法可以用多屬性變換由地震資料預測測井信息。A few researchers are examining novel technologies, such as actuators that would pull on tendonlike beams to counteract ground motion or electrorheological fluids in a foundation that would turn from liquid to gel to filter out shock waves
有些研究人員正在檢驗這些新穎的科技,例如致動器會在肌腱般的樑柱上施加拉力,以抵消地表的運動;灌入地基的電流變液,在地震時會從液體轉變為膠體而濾除震波。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。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。In this thesis, the characteristics of wavefield in orthotropy media was investigated by means of seismic physics model technique
本文利用地震物理模型正演技術,開展正交各向異性介質地震波場特徵的研究。In the area of elasto - plastic dynamic analysis of frame with friction energy dissipation, the design - oriented nonlinear seismic response time history analysis method for frame with friction energy dissipation has been set up. and the corresponding program idaff is developed using visual c + + language ; the analytic solution of a single - damped - story braced frame with friction energy dissipation under the sine wave excitation has been give ; besides these, a vibration reduction analysis of multi - story frame with friction energy dissipation has been given in the paper and some useful conclusions have been drawn
在摩擦耗能框架結構彈塑性動力分析方面,本文建立了面向設計的摩擦耗能框架結構非線性地震反應時程分析方法,並利用vc + +編制了相應的程序idaff ;給出了帶有摩擦耗能器的有阻尼單層框架在正弦波激勵下反應的解析解;同時本文從多自山度的角度出發對摩擦耗能框架的影響因素進行分析,得出相關的結論。Trough the staggered - mesh finite difference simulations of the wave equations, simulated the propagation of the seismic wave and the relevant zero offset time record in the 2d viscoelastic random medium models
摘要通過交錯網格有限差分正演,模擬了平面地震波在二維粘彈性隨機介質模型中的傳播及其自激自收時間記錄。分享友人