逆掩 的英文怎麼說

中文拼音 [yǎn]
逆掩 英文
thrust over
  • : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
  • : 動詞1 (遮蓋; 掩蔽) cover; hide 2 (關; 合) shut; close 3 [方言] (被卡住) get squeezed [pinch...
  1. Depending on the intensity of the deforming forces the folds may be gentle, sharp, overturned, or overthrust.

    根據變形力的強度,褶皺可以是平緩的,陡峭的,倒轉的,或逆掩的。
  2. The frontal structure of longmenshan in the west of sichuan is very complex, showing intense structure deformation in overthrust belt, high structure amplitude, steep stratigraphic dip, developed fault blocks, complex seismic wave field, frequent change of lateral velocity, and poor image of post - stack time migration processing

    摘要川西龍門山前緣構造非常復雜,逆掩推覆構造帶構造形變強烈,構造幅度大,地層傾角陡,斷塊發育,地震波場復雜,速度橫向變化大,常規疊后時間偏移處理成像效果較差。
  3. Through the research on the development character of overthrust fault, we analyzed its sealing mechanism. we also established evaluation standard and method of fault sealing ability through the following two simulation experiment : experiment on the quantitative relationship between property of fracture zone filler and fault sealing ability ; experiment on the deformation character of cream shale. based on these work, we evaluated sealing ability of overthrust faults on several typical structure in kuche depression

    本文通過逆掩斷層發育特徵研究,分析了逆掩斷層封閉機理,在斷裂帶填充物性質與斷層封閉性定量關系模擬實驗和膏泥巖變形特徵模擬實驗基礎上建立了斷層封閉性評價標準及評價方法,以此對庫車坳陷幾個典型構造上逆掩斷層垂向封閉性進行了評價,結果表明現今斷層多是封閉的,這是庫車塌陷天然氣和異常孔隙流體壓力得以保存的主要條件。
  4. To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4

    根據山前帶的地震地質條件特點,本文主要研究了以下幾個方面的內容: 1 、對以往山前帶地震攻關成果開展調研工作,分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性; 2 、研究基於地震地質模型的復雜構造帶觀測系統目標設計方法:如何建立復雜構造帶的表層、深層地震地質模型,利用正演分析目標區的觀測系統;針對逆掩推覆體構造,如何分區分段有針對性設計觀測系統等; 3 、針對復雜地表條件的山地山前帶,如何選擇激發方式、參數,如何優選激發、接收環境,如何保證不同激發方式的資料能正常拼接; 4 、山前帶巨厚礫石區的表層結構調查技術及靜校正方法研究。
  5. Based on these research, we recovered the evolution history of overthrust faults vertical sealing ability and considered that there always have fracture activity ever since jidike formation deposition period. but this kind of activity is not always continuous. during moving period, fault is open

    在此基礎上對逆掩斷層垂向封閉性演化史進行了恢復,認為斷裂自吉迪克組沉積時期以來均有活動,但這種活動是間歇性的,活動時期斷層開啟,靜止時期斷層多是封閉的。
  6. Owing to complicated earth ' s surface condition such as the steep stratum outcropping of front - zone of mountain or the huge thick gravel stratum ' s overlay and earth ' s surface large undulation, complicated underground geology structure developed extremely such as thrust and overthrust nappe, and violent change of the lateral velocity, etc. in front - zone of mountain there are a series of problems such as serious secondary disturbance and low signal - to - noise ratio in seismic exploration gathering

    由於山前帶高陡巖層出露或巨厚礫石層的覆蓋、地表起伏大等復雜的地表條件、沖和逆掩推覆等復雜地下地質構造發育、速度橫向變化劇烈等原因,造成了山前帶地震勘探資料採集存在次生干擾嚴重和信噪比低等一系列問題。
  7. We established geological and mathematic model for the relief of overthrust fault and earned out simulation computation after selecting factors. the result is that pressure can be released when fault is open. but ft will take a long time for the formation pressure to be relieved to normal formation pressure

    建立了逆掩斷層泄壓的地質模型和數學模型,選取參數后進行了模擬計算,結果表明逆掩斷層活動開啟釋放壓力,但要將地層壓力釋放到正常地層壓力需要時間較長,在斷裂活動時期不足以將圈閉中超壓釋放掉,這是庫車坳陷超壓能夠保存的另一主要原因。
  8. Nw compressive structures are developed in indosinian epoch in which folds are predominant and companied with some small thrusts. nearly ns or nnw compressive structures are developed at the end of yanshan epoch in which it is mainly overthrusted structures and closed folded structures. large gentle anticlines and synclines are developed from the end of mesozoic to early tertiary, and antithetic sagging structures are developed in mesozoic

    研究發現,本區印支期發育了以褶皺為主、局部伴有小型斷層的北西向壓性構造,燕山末期(中生代末期)發育了以逆掩構造和緊閉的褶皺構造為主的近南北向或北北西向壓性構造,中生代末到第三紀早期發育了以寬緩為特徵的大型背斜向斜構造,以及中生界內部的牽引構造。
  9. This paper analyzes the sedimentation and the occurrence of the strata in wuxia area and suggests that wuxia area underwent the development of foreland basin of early permian, the overthrust nappe of late permian, the strong structural uplift of late triassic, the weak structural activity of late jurassic and the structural shape of cretaceous followed by finally forming the configuration nowadays

    在對烏夏地區地層的沉積特徵和產狀分析后發現,烏夏地區經歷了早二疊世的前陸盆地發育階段、二疊紀末的逆掩推覆,三疊紀末的構造強烈隆升、侏羅紀末期的構造微弱活動、至白堊紀的構造定形等多個階段的演化而形成了現今的面貌。
  10. No seismic reflection wave imaging technology, as well as the crustal rocks and the ocean ridges residual magnetic field sensors return reverse, there is no better explanation, can only use " earth ' s magnetic field reversal " to explain this phenomenon in order to cover up the phenomenon nature of the problem

    也沒有地震反射波的成像技術,以至對地殼巖石和大洋洋脊的感應剩磁場來回反向問題,沒有更好的解釋方法,只能用「地球磁場轉」來解釋此現象,以現象蓋了本質問題。
  11. In general, a watermark system must satisfy the two basic requirements : imperceptibility and robustness. in this thesis, we proposed a frequency - based watermarking algorithm using toral automorphisms, in which a kind of toral automorphism is employed to mix a recognizable binary image ( bw ), which contains the copyright information, into a noise - like signal

    演算法簡單描述如下:首先用一個環形自同構映射把要嵌入的數字水印映射成偽隨機噪聲,然後把該偽隨機噪聲嵌入到宿主數據頻域的低頻段中,接著把得到的頻域系數進行相應的變換得到嵌入水印的圖象,最後對該嵌入水印的圖象進行視覺蔽處理。
  12. An error detecting method which can prevent the decoding error affecting the next video packet head is used, and a restoration measure for b frame based on the mv prediction which can improve the visual quality has been studied. 3. a novel marking algorithm for ip diffserv based on the transmission condition and the different importance of video streams for decoder has been introduced

    2實現了mpeg - 4的差錯檢測、可變長解碼rvld和差錯蓋方法:對i或p幀紋理區的差錯先用rvld進行解碼,然後對殘留的差錯用空間插值或運動補償方法進行蓋,而對p幀的運動矢量mv ,利用圖像的空間平滑特性進行恢復; 3針對b幀差錯的復原,我們還提出了一種基於運動估計的方法。
  13. The author also makes a comparison between lifting scheme and tst and find that lifting produces a complete new multiwavelet and uses no matrix division or singular matrixes and generally produces shorter new masks than the tst algotithm. so we choose lifting as our method to improve the multiwavelet ’ s property

    我們研究了提升和兩尺度相似變換,發現通過提升可以構造全新的多小波而且不需要矩陣分解和求,產生的模通常比tst演算法更短,因而選擇提升作為改進多小波性質的方法。
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