tomographic inversion 中文意思是什麼
tomographic inversion
解釋
層析成象反演- tomographic : dsa體層攝影數字減影血管造影術
- inversion : n 1 倒轉，反轉，逆轉；倒置，轉換。2 倒置物，顛倒現象。3 【語法】倒裝法，語序倒置法；（語言的）捲...
-
Using three - dimensional tomographic imaging results of 2 ? 2 ? grid s wave velocity and 15 ' 15 ' grid average gravity anomaly in north china, this paper adopted inversion with constrained least squares method and, as a result, obtained density distribution results of six bedding surfaces in lithosphere of north china
摘要利用華北地區的2 ? 2 ?網格s波速度三維層析成像結果和15 ? 15 ?的網格平均布格重力異常，採用約束最小二乘方法反演，得到了華北地區巖石圈內6個層面上的密度分佈結果。 -
The sirt inversion operator can be applied to solve the large - scale sparse linear equation and velocity tomographic inversion can be performed based on direct arrival traveltime and accuracy could be 3 meters
研究成功的sirt反演演算法可用於求解大型稀疏超定線性方程組，根據直達波旅行時進行速度層析反演，其精度可達到3米。 -
The least traveltime ray tracing method can greatly reduce the amount of calculation for tomographic inversion and increase the accuracy for ray tracing. the important method to do the cross well seismic reflection image is xsp - cdp algorithm
研究的最小旅行時射線追蹤法可大大減少層析反演的計算工作量並提高射線追蹤的精度；井間地震反射成像主要採用xsp - cdp方法。 -
This paper reviewed the theory, development and applications of 3 typical velocity analysis technologies, stack velocity analysis, migration velocity analysis and tomographic inversion
主要對疊加速度分析、偏移速度分析和速度層析反演三大類典型的速度分析方法的基本原理、發展及應用條件等作簡要的回顧與介紹。 -
The least square conjugate gradient and odd values decomposition method also can be used to perform tomographic inversion
研製的最小平方共軛梯度演算法和奇異值分解法也可進行同樣的層析反演。 -
Then, the development of the tomography is reviewed in brief, while the status in quo of this technique is investigated. and analyzing two key facts in using the method, first, yield data gather ; second, solve near - surface velocity after tomographic inversion
然後回顧了層析成像方法的發展歷程，並調查了層析成像方法的研究現狀，分析實際應用中存在的兩個關鍵問題，一、野外數據採集；二、用層析成像方法反演求解表層速度，從而確立了本文的研究方向。
分享友人