inversion base 中文意思是什麼
inversion base
解釋
逆溫層底-
Guided by the theory of sequence stratigraphy and petroleum system using cores, lithologic log or well - logging, biostratigraphic and seismic data, adopting seismic inversion constrained to well data, digital analysis technology, basin modeling, test method and so on, and adopting an integrated study technology, aiming at lower exploration in chagan depression, this work put forward a new research thoughtfulness, technic flow and method system that is an integrated study by " looked upon sequence stratigraphy as a base, looked upon petroleum system as a integer, combing with each other closely " and tie in qualitative analysis and quantitative analysis and applied synthetically new theory, new technology and new method
以層序地層理論和含油氣系統思想為指導，利用巖心、鉆/測井、古生物以及地震資料，採用井約束下的地震資料反演技術、計算機技術、盆地模擬技術和各種分析實驗手段等綜合分析方法，針對查干凹陷勘探程度低的特點，提出了斷陷盆地「以層序地層分析為基礎、含油氣系統為整體（系統）和二者緊密結合」以及定性與定量相結合，綜合應用新理論、新技術和新方法的研究思路、技術路線和方法體系。 -
Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa
本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。 -
After have systematically studied sequence stratigraphy of chagan depression, a analysis method of high precision sequence stratigraphic framework in fault - depressed lacustrine basin. the core of the establishing framework is exploration - significant identify of sequence, division of 2, 3, 4, 5 grades sequence and analysis of base - level based on lithologic log or well - logging, high - resolution seismic inversion constrained to well data. then using the results of 2d seismic data, and interpret sequence to enhance the precision of interpretation
斷陷盆地高精度層序地層格架建立的核心是用鉆/測井和井約束條件下的高解析度儲層橫向預測剖面等高解析度資料進行具有勘探意義的二、三、四和五級層序的界面識別、層序劃分和基準面變化分析，在此基礎上標定常規地震剖面，進行區域層序地層分析，達到提高層序地層解釋精度的目的。 -
In the first part, the paper mainly discourse upon the gestation course of theoretic base in laser physics, stimulated emission, population inversion and other basic theory of laser were discussed
第一部分主要論述了激光物理理論背景的醞釀過程，對受激輻射、負吸收、粒子數反轉這幾個激光物理的基本理論的建立過程作了研究和分析。 -
The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well
對產生946nm譜線的準三能級結構給出了較為完整的分析，利用激光諧振腔處于穩態時的速率方程，導出了準三能級nd ： yag946nm起振時，透射損耗與最佳激光晶體長度的關系，在與1064nm透射損耗相比較的基礎上，給出了不同的腔損耗情況下的最低鍍膜要求，並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系，這為設計室溫下高效運轉的946nm激光器的提供了理論基礎，這種分析方法對研究此類低增益，準三能級或三能級激光系統輸出特性有借鑒意義。 -
A novel type of magnetic material molecular alloys is described. such molecular - base materials exhibit many interesting magnetic properties such as photoinduced magnetic pole inversion and transparent colorful magnetic films
文章介紹一種新型「分子合金」類磁性材料.通過調控鐵磁-亞鐵磁混合分子比例得到的這種新型分子基材料呈現了許多有趣的和有重大應用前景的磁性質，如光誘導磁極翻轉現象等 -
Thus many data of deflecting wells can be used for seismic inversion and the problem of multiple solutions can be solved to some degree. this technology comes up to advanced domestic standards. because the water base used to make up drilling mud comes from seawater, researches are made into the effects on resistivity of saltwater mud invasion and the values - selecting methods in reserves calculation are broken through, which continues to use terrestrial oilfields " parameters
針對勝利海上埋島油田叢式開發井組5 / 6井為斜井這種實際情況，對斜井聲波測井資料進行了環境校正，經過反復的攻關研究，通過合成地震記錄求準速度，實現了斜井資料的地震標定，解決了建立初始波阻抗模型的技術難題，使大量的斜井資料參與反演工作，減少了地質模型的多解性，提高了儲層預測的精度，該項技術達到了國內領先水平。 -
Receiver function is simulated for inhomogeneous media, as a special case for elastic wave modeling with nearly vertical incidence plane p wave as initial condition, and provide the base for inversion and migration of receiver function in inhomogeneous media
以下覆半無限空間近垂直入射平面p波，作為彈性波數值模擬的特例，來模擬接收函數，從而為橫向非均勻介質中接收函數的反演和偏移成像問題奠定了研究基礎。
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