prestack migration中文是什么意思

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中文翻譯
造句

疊前偏移

constant-velocity prestack migration 常速疊前偏移
prestack partial migration 疊前部分偏移
velocity independent prestack migration 與速度無關(guān)的疊前偏移
prestack f-k migration method 疊前頻率
prestack inversion 疊前反演
in migration 國(guó)內(nèi)人口遷移
in-migration 國(guó)內(nèi)人口遷移；向內(nèi)人口遷移; 移來
migration n. 1.移住，遷移；移動(dòng)；徙動(dòng)。 2.(鳥)移棲，遷徙；(魚)洄游；(植物)侵移。 3.移住者群，移棲群。 4.【化、物】原子移動(dòng)；電離子的移動(dòng)。
prestack born inversion 疊前博恩反演
prestack layer replacement 疊前層替換
prestack synthetic seismogram 疊前合成地震記錄
acid migration 酸移轉(zhuǎn)
acyl migration ?；D(zhuǎn)移作用
additive migration 添加劑遷移
adhesive migration 膠粘劑的遷移
adult migration 成年洄游; 成育洄游
age migration 年齡侵移
agent of migration 遷移動(dòng)力
alimental migration 覓食洄游; 取食[索餌]回游; 取食回游
allylic migration 烯丙型遷移
anadromous migration 溯河回游。
animal migration 動(dòng)物的遷移; 動(dòng)物遷移
anodic migration 正極移行
arc migration 電弧發(fā)光率; 電弧移動(dòng)
atomic migration 原子遷移

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例句與用法

Migration velocity analysis and prestack migration of ground-penetrating radar
地質(zhì)雷達(dá)資料的偏移速度分析和疊前偏移
prestack migration is performed by reverse-time migration method based on maxwell's equations using time-domain finite-difference method
疊前偏移用時(shí)間域有限差分求解麥克斯韋方程組的逆時(shí)偏移方法實(shí)現(xiàn)。
Numerical migration for typical models show that, in contrast to ray method, prestack wave motion migration can correctly image inhomogeneous media, and suppress multiple reflection wave effectively . prestack migration method presented in this paper should be developed to apply in observational teleseismic p waveform data, to study the inhomogeneity of crust and upper mantle
典型的介質(zhì)模型數(shù)值分析表明，與射線方法相比，接收函數(shù)的波動(dòng)方程疊前偏移能對(duì)橫向非均勻介質(zhì)準(zhǔn)確成像，不僅有較高的分辨率，而且對(duì)多次波有較明顯的壓制作用。
Moreover, a series of solution to these difficulties are brought forward : applying the theory of fold related to fault to interpret complex structural belts in piedmont : analyzing the features of the surface and underground seismic reservoir prediction and porosity model construction to predicate effectively the texture and quality of sandbodies; using structural model to direct the construction of velocity model and process prestack migration imaging of seismic data; utilizing interval velocity to forecast reservoir pressure : improving the drilling technology for pressure detection and prompt protection of vertical well against incline well
并針對(duì)主要難點(diǎn)提出了解決對(duì)策：正確應(yīng)用斷層相關(guān)褶皺理論解釋山前復(fù)雜改造、開展地表井下地震儲(chǔ)層與孔隙建模有效預(yù)測(cè)砂體結(jié)構(gòu)與質(zhì)量，利用有效構(gòu)造建模指導(dǎo)速度建模與疊前偏移成像、開展層速度預(yù)測(cè)地層壓力與鉆井壓力檢測(cè)及快速防斜打直配套鉆井技術(shù)攻關(guān)等。
prestack migration method, based on wave motion equation, is also developed for receiver function, and compared with ray method . both p-to-s conversion wave and direct p phase contained in receiver function are migrated and imaged by reverse-time migration for data gather including all receiver functions recorded in all seismological stations for one event, and imaging profile is finally obtained by stacking for all events
本文還在接收函數(shù)射線反投影疊加成像的基礎(chǔ)上，提出了一種基于波動(dòng)方程的接收函數(shù)疊前偏移成像方法，將同一事件接收函數(shù)中的轉(zhuǎn)換波和直達(dá)p波震相以各自的速度向深度方向逆時(shí)延拓成像，并通過不同慢度接收函數(shù)的疊加，得到最終的偏移成像結(jié)果。
The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high-frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high-resolution velocity analysis, the wavelet length compression, the wavelet zero-phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation
研究表明，對(duì)于城市活斷層的抗干擾高分辨率淺層地震勘探，在數(shù)據(jù)采集環(huán)節(jié)應(yīng)采用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器，以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法；在數(shù)據(jù)處理與解釋環(huán)節(jié)，要重視折射靜校正技術(shù)、噪聲壓制技術(shù)、高精度速度分析技術(shù)、子波壓縮技術(shù)、子波零相位化技術(shù)和疊前偏移技術(shù)等的應(yīng)用。
The migration results of the synthetic and ocean field datasets show that this method is correct and effective . several prestack depth migration methods are proposed and unified to the synthetic source record migration method . these methods include plane wave migration with fourier finite difference ( ffd ) extrapolator, maximum energy plane wave migration and prestack migration with phase encoding of areal shot records
通過對(duì)本文提出的平面波傅立葉有限差分疊前深度偏移方法、最大能量面炮記錄疊前深度偏移方法和相位編碼面炮記錄疊前深度偏移方法的研究，試算和對(duì)比，提出了合成震源三原則，根據(jù)這些原則，提出了合成震源概念和合成震源記錄疊前深度偏移方法。

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