波前恢復 的英文怎麼說
中文拼音 [bōqiánhuīfù]
波前恢復
英文
wavefront healing-
Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。The design of dgwfs and the quadratically distorted diffraction gratings is introduced firstly in chapter 1. secondly, based on the prevenient algorithms, the phase retrieval for the novel dgwcs is discussed by comparison, also more analysis is made by examples in chapter 2
第二章在總結、研究和改進前人理論方法的基礎上，總結了適合光柵型波前曲率傳感器相位恢復的三種演算法，並作了詳細的理論推導、分析和舉例說明，完善了光柵波前曲率傳感器的相位恢復理論。Thirdly, phase retrieval by use of gerchberg - saxton ( gs ) algorithm based algorithm and phase retrieval by use of a green ’ s function under neumann boundary conditions is applied to dgwfs. the phase retrieval of combinations of zernike is simulated in computer
第三章分別對基於gesrchberg - saxton法（ gs法）的迭代法和neumann邊界條件的green函數法的波前恢復進行了計算機模擬，並給出了具體程序框圖。Objective : to investigate the effect of pumpless portosystemic bypass in clinical piggyback liver transplantation. methods : after catheterized inferior mesenteric vein, the silastic catheter ( filled with heparin saline ) was connected with the catheterized tube of internal jugular vein or subclavian vein in four piggyback liver transplantation patients. the channel was opened after the portal vein was occluded. the portal vein blood poured into the superior vena cava through the pumpless channel. the changes of mesenteric congestion, portal vein pressure, blood pressure and pulse were observed. results : during the occlusion of portal vein, the portal vein pressure was increased greatly, the intestine was congested and swelled obviously and the blood pressure and pulse fluctuated gently. after the pumpless bypass opened, intestinal congestion and swell were abated markedly, the portal pressure, blood pressure and pulse gradually returned to normal range. conclusions : pumpless portosystemic bypass shows a great effect on clinical piggyback liver transplantation. it is a feasible and economical method
目的探討背駝式原位肝移植術中採用體外門-體靜脈無泵轉流的臨床效果.方法4例行背駝式原位肝移植患者，腸系膜下靜脈屬支插管經體外硅膠管（充滿肝素鹽水）與頸內靜脈或鎖骨下靜脈插管相接，在阻斷門靜脈后開通腸系膜下靜脈插管，門靜脈血從體外無泵轉流管流入上腔靜脈，觀察轉流前後腸道瘀血、門靜脈壓、血壓、脈搏等變化情況.結果門靜脈阻斷后腸道明顯瘀血、腫脹，門靜脈壓力明顯升高，血壓、脈搏有不同程度的波動，無泵門靜脈轉流開放后，腸道瘀血、腫脹明顯好轉，門靜脈壓力逐漸恢復正常水平，血壓、脈搏恢復正常.結論背駝式原位肝移植術中體外門-體靜脈無泵流具有方便、經濟、實用等優點，具有良好的臨床效果In the applications of wavelets, the vlsi design has been highly required. the coefficients in the integer wavelet transform are integer, so that the perfect reconstruction and lossless compression is possible
整數小波變換由於其小波系數為整數，逆變換可完美恢復小波變換前的數據，因此在無損圖像壓縮等領域有著重要應用。A few days ago russia ' s naval commander proposed “ to restore its permanent presence ” in the mediterranean, using the baltic and black sea fleets
幾天前，俄羅斯海軍司令提議用波羅的海艦隊和黑海艦隊的部分船隻「恢復俄羅斯海軍在地中海的長期存在」 。In vitro injury models of brain slice ( ogd and nmda insult ) and primary neuronal cultures ( nmda insult ) oxygen / glucose deprivation ( ogd ) - induced injury of rat hippocampal slice in vitro the rat hippocampal slices prepared were allowed to recover in the normal artificial cerebrospinal fluid ( acsf ) bubbled with gas mixture of 95 % o2 + 5 % co2 for 1 h, then they were thansfered to glucose - free nacsf which was bubbled with gas mixture of 95 % n2 + 5 % co2. after treatment with ogd, the slices were placed into 2 % ttc solution in dark and incubated at 37 * cfor 1h. the slices were weighted and a 50 : 50 mixture of ethanol / dimethyl sulfoxide was then added to extract the formazan in dark for 24 h
離體腦片損傷模型（ ogd和nmda ）及原代培養神經元nmda損傷大鼠離體海馬腦片缺氧缺糖（ ogd ）損傷大鼠離體海馬腦片制備后，在通氧混合氣的正常腦脊液（ nacsf ）中恢復60min ，然後移入通氮混合氣的無糖腦脊液（吵化sf ）中缺氧缺糖，取出腦片與2 ttc避光37 』 c溫浴60dll ，染色后根據每克濕重加入20ml抽提液（乙醇：二甲亞礬一50 ： 50 ） ，在密閉容器內避光置24h ，測量前搖勻后取200pi至96孔板，在490urn波長，酶標儀測定各孔od值。Their club ' s official website states that the players will be assessed in training before a decision is made on their availability for the second - leg
波爾團官網稱，這兩名球員在決定他們是否參加冠軍杯第二輪比賽之前會通過訓練觀看他們的恢復狀況。Therefore, the study of phase retrieval of dgwfs is important. in this paper, the difference of wfs and wfcs is discussed
研究光柵型波前曲率傳感器的相位恢復演算法對完善其相位恢復理論和其應用都有著重要意義。Firstly, by analyzing former researches and visible watermark characteristics, a visible watermarking algorithm with feature of holding image content is realized. secondly, using redundant embedding technique to embed watermark and extracting watermark according to watermark content, a meaningful invisible watermarking scheme is proposed ; thirdly, combining with vision characteristics a resilient - prone scrambling algorithm and a restoring scheme of scrambled image with data loss are proposed, image scrambling technique of irregular region is discussed. based on the proposed algorithms, a digital watermarking system scheme is designed
通過分析前人的研究進展，結合可見水印特性，在小波域實現了一種具有圖像內容保持特性的可見水印演算法;利用水印冗餘嵌入技術進行水印嵌入，根據水印遭破壞的情況進行水印提取，給出一種有意義水印的嵌入和提取方案;結合視覺冗餘特性提出並實現了一種易於恢復的圖像置亂演算法和一種受損置亂圖像的恢復方案;探討了不規則區域的圖像置亂方法，在此基礎上，設計了一種置亂演算法在數字水印演算法中的應用框架;最後整合本文所提出的演算法，實現了一個基於視覺特性的圖像水印系統。Take this as the premise, this article has constructed one kind synchronous system on the based of the software radio thought, this synchronous system has realized the qam receive signal symbol synchronization and the carrier recover
以此為前提，本文構建了一種基於軟體無線電思想的同步系統，此同步系統實現了qam接收信號的符號同步和載波恢復。A new remote sensing image coding scheme based on the biorthogonal wavelet transform and revised spiht algorithm is proposed according to the statistical characteristic of remote sensing image data. the experimental results show that the proposed scheme could largely speed up the encoding process and reduce computational complexity on condition that reconstructed image quality is sacrificed little. meanwhile, this scheme has advantage over other algorithms in real time encoding
本文針對遙感圖像的數據特點，提出了結合雙正交小波變換和改進spiht演算法的內嵌小波編碼方案.實驗結果表明，本文的方法能夠在幾乎不降低恢復圖像質量的前提下降低了計算復雜度，提高了編碼速度，有利於實時編碼This article take the synchronous system in the dvb - c receive front - end as a center. detaile discussing symbol synchronization and carrier recover, discussed with emphasis based on the software radio thought algorithm
本文以dvb - c接收前端的同步系統為中心，詳細的討論了符號同步和載波恢復，重點研究了基於軟體無線電思想的演算法。分享友人