velocity correction 中文意思是什麼

velocity correction 解釋
速度校正
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  • correction : n 修正，改正；校正；矯正；〈古語〉懲罰；勘誤表，補正。 a copy disfigured by numerous corrections ...
  1. The utilizing firing result is to correct the initial condition when resolving ballistic equation set by using correction of initial velocity and ballistic coefficient converted from the firing result

    採用將射擊成果轉換為初速和彈道系數修正量，修正解彈道方程初始條件的方式利用射擊成果。
  2. The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed

    針對海洋大氣邊界層中三維對流渦旋sar圖像，用g . s . young在2000年發表的方法，反演三維對流渦旋的特徵長度、海洋大氣邊界層高度、以及海洋大氣邊界層垂直對流尺度速度、表面浮力通量、海面風速穩定性校正因子和obukhov長度。
  3. The 3d anti 3c seismic processing flow established is used in processing of the real seismic data, achieving high quality velocity ratio spectrum and good non - hyperbolic nmo correction and stacking of 3d converted wave

    應用所建立的三維三分量地震資料處理流程，對某實際地震資料進行了處理，得到了較高質量的三維轉換波速度比譜，轉換波非雙曲動校正和疊加取得了較好效果。
  4. 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。
  5. In viewing of the characteristics of propagation of 3d converted wave, studies are performed on the processing methods of 3d converted waves, such as horizontal component rotation, calculation of 3d transition point, hyperbolic velocity analysis and nmo ( normal moveout ) correction of 3d converted wave, and non - hyperbolic velocity ratio analysis and nmo correction of 3d converted wave

    基於三維轉換波傳播特點，對三維轉換波資料處理方法進行了研究，包括水平分量旋轉，三維轉換點計算、三維轉換波雙曲速度分析與動校正、三維轉換波非雙曲速度比分析與動校正等。
  6. Numerical models are frequently used to simulate water flow in hydraulic engineering. shallow water equations are basic governing equations with assumption of the velocity distribution uniformly in vertical, so they have some limitations on the simulation of some plane flows, such as wind - induced flow, curve river flow and flow nearby the submerged dikes. for above - mentioned reasons, extended shallow water equations are developed by introduction of momentum coefficient, correction of convection and bed resistance in equations of motion

    在水利工程中經常需要採用數學模型模擬水流的流態，淺水方程是進行平面流態模擬計算的基本控制方程，但因其忽略了流速垂線分佈的不均勻性，在模擬某些平面流態（如風生流動、河灣水流、潛壩等工程附近的流動）時存在一定的局限性。
  7. 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。
  8. 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，對于城市活斷層的抗干擾高解析度淺層地震勘探，在數據採集環節應採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；在數據處理與解釋環節，要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。
  9. Based on the cross - sectional velocity distribution of flow in natural river, computation expression for correction coefficient of kinetic energy is derived

    然後根據天然河流橫斷面流速分佈公式，推導了能量方程中動能修正系數的計算公式。
  10. The equal error measurement and neural network correction for real time velocity in car crash test

    汽車碰撞試驗速度的實時等誤差測量和神經網路修正
  11. The sculling error in the velocity calculation is described and the sculling optimal compensation algorithms are derived in the sculling base motion environment. for testing the sculling correction algorithms " performance, several simulations are practiced and the simulation results show that the sculling compensation term in the velocity integration algorithms can not be neglected for the high accuracy sins in highly dynamic environments. 3

    分析了速度更新計算中劃船誤差的產生機理，詳細推導了劃船補償演算法並在劃船運動條件下推導了劃船補償優化演算法，最後對各階演算法進行了模擬分析，模擬結果表明：對處在高動態環境下的高精度導航系統，劃船補償不可忽略； 3
  12. 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。
  13. Actually correction coefficient of kinetic energy reflects the non - uniform characteristics of cross - sectional velocity in natural rivers. it is related with hydraulic parameters and can be expressed by chezy ' s coefficient. the larger the resistance of boundary, the more non - uniform the distribution of cross - sectional velocity

    動能修正系數實際上反映了河道橫斷面流速分佈的不均勻性，與斷面的水力要素有關，可用謝才系數c來表示，水流所受的阻力越大，邊界對其影響也就越大，流速分佈愈不均勻，導致動能修正系數增大。
  14. The correction of an excessive velocity variation is not as serious a problem as the correction of excessive angular variation.

    對速度變化過大時的修正問題不象對偏角變化過大時的修正那樣重要。
  15. A hybrid migration method, named " fourier finite - difference migration ", is a post - stack depth migration scheme. the downward extrapolation operator is split into three operators : one operator is a phase - shift operator for a chosen constant background velocity, another operator is the well - known first - order correction term, and the third operator is a finite - difference operator for the varying of the velocity function. phase - shift downward extrapolation and finite - difference downward extrapolation preserves the advantage of phase - shift method and finite - difference method

    傅立葉有限差分（簡稱ffd ）偏移演算法是一種疊后深度偏移演算法，其向下延拓運算元是一種混合運算元，包括三項：一項是處理常速的相移運算元，一項是一階相移修正運算元，最後一項是類似45度方程的有限差分運算元，用來處理劇烈橫向變速。
  16. Besides velocity inversion algorithm, the static correction in complex near - surface condition and irregular geometries may also impact the velocity modeling

    影響速度模型精度的因素，除了速度反演演算法之外，還包括復雜近地表條件下的靜校正處理和觀測系統的不規則性。
  17. We can analyze and observe directly the reasonability of processed data, that is helpful to improve the quality of tomography inversion and the reliability of velocity model tomography inversion, then provide reasonable surface velocity model for tomography static correction by some means, such as rotating, scale graphics, meanwhile combining with relating sectional drawing and clipping drawing

    通過對三維立體進行全方位旋轉、縮放顯示，並結合與三維體一致的剖面和平截面的綜合考察，便於直觀地分析、監控地震數據處理結果的合理性，有助於提高模型層析反演的質量和表層速度模型層析反演的可靠性，並可為層析靜校正提供合理的表層速度模型。
  18. In the paper, stratified flows with combined temperature and salinity are investigated on unstructured computational grids. first, unstructured, collocated finite volume method for navier - stokes equations is developed under the philosophy of generality. the pressure - velocity coupling is treated using simple - like algorithm and explicit correction step technique is applied to speed the convergence rate

    本文從該類研究的難點入手，首先，採用單元中心的有限體積法開發了通用性強，易擴展的非結構同位網格數學模型求解n - s方程，壓力校正採用simple （ simplec ）演算法，並採用顯式校正步法（ explicitcorrectionstep ）對simplec演算法進行了顯式校正。
  19. Compared to piv technology, dpiv technology has the advantages of faster processing and smaller errors. so we made a detailed research of dpiv technology, which mostly includes the principle of velocity mesurement of dpiv, digital image processing, the correction of velocity vectors, the construction of flow field and so on

    與piv技術相比， dpiv技術具有處理速度快、計算誤差小等優點，因此本文詳細研究了dpiv技術，主要包括dpiv的測速原理、數字圖像的處理、速度矢量的校正以及速度場的重建等。
  20. This thesis expounds fundamental principle and realization technique of artificial neural network and genetic algorithm, and redacts artificial neural network procedures. - ( l ) adopting batch processing high - speed algorithm, the thesis redacts back - propagation network procedure to enchance training velocity, in which learning rate and momentum parameters are modulated self - adaptably during error correction

    本文闡述了人工神經網路和遺傳演算法的基本原理及實現技術，並在此基礎上利用matlab5 . 3編寫了人工神經網路程序： （ 1 ）編寫了bp人工神經網路程序，採用vogl 「批處理」快速演算法，學習速率、動量參數在誤差修正過程中自適應調節，提高了訓練的速度。
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