褶積 的英文怎麼說

中文拼音 [xíjī]
褶積 英文
convolution
  • 褶 : 名詞（褶子） pleat; crease; fold; wrinkle
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  1. A convenient variation upon the process of superposition thus described is a mathematical operation designated as convolution.

    對于上面描述的疊加過程，有一種方便的變形，它就是稱為褶積的一種數學運算。
  2. According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo

    本文針對復雜地表低信噪比地區地震資料的特點，以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點，在整個地震資料處理過程中，從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術、到選用高精度的疊加技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法，最終形成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。
  3. Convolution of probability distribution

    概率分佈褶積
  4. 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。
  5. The main influence factor of seismic vertical resolution is very complex, manufacture and scientific research is main care the vertical resolution. besides of the noise, the vertical resolution is depend on the wavelength, we can enhance it through improve the shot condition and deconverlution

    而影響縱向解析度的因素比較復雜，也是生產和科研比較關心的問題，除去干擾等因素，縱向解析度主要取決于波長，可以通過改善野外激發條件和反褶積來解決。
  6. The loading effects of the atmosphere are the sum of the direct effect, which comes from its newtonian attraction to any point on the surface or within the interior of the earth, and the indirect effects, which is induced by the earth ' s deformation and additional gravitational potential arising from redistribution of the mass because it can be regarded as the surface loads. they are traditionally expressed as the convolution integration of the atmospheric green ' s function, which is virtually the sum of the elastic and gravitational green ' s functions, and the measured values of the barometric pressure on the earth ' s surface over the globe

    隨著現代大地測量技術和數據分析手段的日益提高，大氣對各類物理場地表觀測的負荷影響必須予以考慮，大氣的負荷效應為直接效應（大氣對地球表面及內部點產生直接吸引）和間接效應（大氣作為表面負荷作用於地球，導致地球的彈性形變和內部質量的重新分佈，產生附加位）之和，習慣上表示為大氣格林函數（彈性項和直接引力項格林函數之和）和地表氣壓觀測值的全球褶積積分
  7. In view of characteristics of seismic data of gobi - sand dune areas, this paper, through various data - processing means such as quality control, high - pass filltering, dip angle filltering, field static correction, surface consistency deconvolution, precise velocity analysis, denoising before stack, multiple iterative operation of residual static correction, denoising after stack and modification after shift, has raised the data quality of seismic profiles in low signal - to - noise ratio areas and managed to form the seismic data - processing technique for such complex areas as gobi, foreland and dune

    摘要針對戈壁、沙丘地區地震資料的特點，通過對原始資料進行質量控制、高通濾波、傾角濾波、野外靜校正、地表一致性反褶積、精細速度分析、疊前去噪、剩餘靜校正多次迭代、疊後去噪和偏後修飾等處理，提高了低信噪比地區地震剖面的資料質量，摸索出了一套戈壁、山前、沙丘等復雜地區地震資料處理技術。
  8. In this paper, the authors used different gliding windows to perform euler deconvolution on magnetic profile data or 2 - d model, probed into the relationship between structure indices and solutions and the method for eliminating the poor solution on 2 - d model by mathematical statistics

    摘要為了利用歐拉反褶積進行快速計算，提出了多個大小不同的滑動窗口進行多次覆蓋的演算法，對高精度磁測剖面逐點反復計算，並根據統計學原理從大量計算結果中剔除壞解，保留合理的解；還根據2 - d模型討論了結構指數與歐拉反褶積的結果的關系。
  9. The possibility of the atmospheric correction to the displacement measurements at the international gps service ( igs ) stations is discussed. in chapter 5, using the mathematic theory of statistics, the errors of the convolution technique, u

    第六章：利用數理統計理論研究大氣負荷改正褶積系統的誤差及其傳播特性和使用功效，給出系統輸出的精度估計，提出系統的優化配置原則
  10. In order to improve the prospecting precision to the earth of transient electromagnetic method ( tem ), the idea of tem imaging is proposed according to the characteristics of both electromagnetic wave propagation and response : the wave - impedance is calculated from observed data in - field by the way of inverse - faltung and linear digital filter ; the sequence of reflection coefficients corresponding to every tiny - lever move time is calculated by the way of linear programming, and the imaging result section is drawn consequently

    摘要?提高瞬變電磁法的對地探測精度，從瞬變電磁場的傳播特性和電磁響應特性兩個角度?慮，提出了瞬變電磁成像方法：由野外實測磁場感應數據，經過反褶積和線性數字濾波求出波阻抗；用線性規劃法求出每一微層走時所對應的反射系數序列，並以此?參數繪製成像結果圖。
  11. 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。
  12. Auto adapted predictive deconvolution

    自適應預測反褶積
  13. Application of wavelet deconvolution to seismic interpretation in tahe oilfield

    子波反褶積在塔河油田地震解釋中的應用
  14. Signal can not be created but be enhanced by attenuating many kinds of noise from field by processing, so, is ridiculous to say, " do n ' t worry, we can get anything we want by processing "

    值得說明的是，迭代法噪音衰減、迭代法振幅補償和串聯反褶積這三個處理過程不是彼此孤立的，而是相互聯系的，這三個處理過程也是有機的組合，起到互補效果。
  15. Ground penetrating radar or georadar, is a new no destroying detection instrument with rapidly developing in recent years. it is applied to engineering, environment, archaeology and other aspects. data processing ' s theories and methods are one of the key aspects in gpr researching, because these are useful to picking up parameters in reflection wave including amplitude, phase, frequency and so on

    數據處理（包括濾波、反褶積、偏移等）是gpr的研究重點之一，其目的是壓制隨機的不規則的干擾波，以最大可能的解析度在探地雷達剖面上顯示反射波，提取反射波的各種有用參數（振幅、相位、頻率等）來幫助解釋。
  16. Seismic wave field modeling with convolutional differentiator algorithm

    地震波場模擬中的褶積微分運算元法
  17. Therefore, the authors believe that the seismic convolution model proposed in the paper is useful in the impedance inversion of seismic data

    實際的資料處理表明含透射衰減的褶積模型有較好的應用價值。
  18. In explicit depth extrapolation method of frequency - space fields, wavefield depth extrapolation is completed with convolution of short explicit difference operators and the wavefield

    摘要在頻率空間域顯式疊前深度偏移中，波場深度延拓是通過顯式差分短運算元與波場的空間褶積完成的。
  19. The algorithm used in the past was usually based on fourier transform, but there are clearly limitations in the method, because the seismic amplitude spectrum that it evaluated is the function of time windows

    如果所選時窗過短，振幅譜會與變換窗函數褶積，失去頻率的局部化特徵，而且過短的時窗會使子波的旁瓣呈現為單一反射的假像。
  20. Seismic data processing practices demonstrate that the seismic convolution model can be used to correct transmission attenuation component by means of impedance inversion, with the merit of avoiding the screen effect of strata

    採用含透射衰減的褶積模型做正演運算，能夠校正地層透射對波阻抗反演結果的影響，尤其能夠消除地層的遮罩現象。
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