等位邊界 的英文怎麼說

中文拼音 [děngwèibiānjiè]
等位邊界 英文
equipotential boundary
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. In this article, double threshold, iteration is applied to improve segmentation algorithm based on signal energy, and short - time zero - crossing rate is proposed for the first time to determine the exact boundaries between different components of heart sound

    本文通過使用雙門限、迭代方法,改進了基於信號能量的分段演算法,並首次引入短時過零率以更準確地定分段
  2. Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils

    其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本方程及其條件出發,應用無旋磁場的標量磁概念,建立了端面搖擺式電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各方面性質,對氣隙磁場的磁標、磁場強度、磁感應強度、面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。
  3. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡( k343 )大型滑坡,運用高解析度反射地震、地質雷達地球物理探測技術對滑坡體地質進行了詳細的勘測,揭示了八渡滑坡體的空間形態、與幾何參數、滑動方式以及移場分佈特徵;同時,利用聲波探測對原抗滑樁進行了檢測,分析了失效原因,並查清了擬建抗滑樁地段的地質條件。
  4. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流層中最早失穩的浮力振型的功率譜波長波速與臨基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數
  5. The research works finished in this paper are listed below : 1. solving the problem in testing of cylinder vessels that the sensors disposition is very rigorous, carrying out study of freewill triangle network orientation and linear orientation, bringing forward the discriminance which distinguish the validity of orientation array using character string method the first time, at the same time, solving the problems that judgement of orientation array, elimination of camouflage location, avoidance of repeat location, etc. 1 '. carry ing out the study of the orientation of defects in stand lank floor with the method of freewill planar triangle orientation, advancing bran - new discriminance on the validity of orientation arrays, orientation points, and the disposing means of the acoustic sources near sensors and those near common border

    本文進行的主要研究工作有: 1解決柱式容器檢測中傳感器排布要求較嚴格的問題,開展任意三角形網路排布檢測技術與線定技術研究,首次提出了利用字元串格式判斷線定陣列有效性的判別方法,並解決了任意三角形定中存在的定陣列判斷,偽定的剔除,重復定的避免一系列問題; 2利用平面任意三角形定方法開展常壓立式儲罐罐底缺陷定技術研究,提出了全新的定陣列有效性判斷、定點的有效性判斷方法;以及頂點聲源和聲源的處理辦法。
  6. According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained

    根據施工過程和條件,對溢流壩段中間上游面增設3m深短縫和不設短縫兩個方案進行了溫度和應力計算,並繪制出穩定溫度場值線圖及施工期、運行期非穩定溫度場值線圖,典型點溫度和應力歷時曲線圖,逐月最高、最低溫度和最大拉應力及相應成果。
  7. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學論文分漢對河道淤積的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  8. The paper analyzes and discusses the law that the result precision of thermal stress is affected by the proportionments of element border length, border condition, form function and so on, and compares the method with displacement finite element method being used

    分析、討論單元長比、條件以及插值函數形式對熱應力結果精度的影響規律,並與現有的移有限元方法進行比較、分析、評述。
  9. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞,而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面深度的連續性,本文提出了一個移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的移信息,從而大大提高了演算法的效率:與通常的正向映射演算法相比,此演算法克服了多幅參考圖象所帶來的計算量成倍增長問題,而且誤差較小。 2 )基於極線幾何的快速逆映射演算法。利用參考圖象的信息與隱含的遮擋關系,以及極線幾何的性質,本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學論文基於圖象的快速繪制技術的研究逆映射演算法,從多幅參考圖象精確合成當前視點目標圖象。
  10. But theres no boundary or specific position related to this level. hence, dont imagine that it ends with the attainment of buddhahood. its just that, after becoming a buddha, it becomes easier and more convenient for us to comprehend ; its less difficult than before

    不過當一個人成道時,我們就稱他已經得到無上正正覺,因為他已經進入那個無上正正覺的級了,不過那個級並不是有一個,或是有一個很固定的地
  11. " no norms, no difference between cycle and square ". based on the needs of city guidance, by formulating laws, polices, and regulations and rules, and actively guiding the formation of norms, ethics, customs and every kinds of invisible restrictions, the city norm is a fundamental management function to restrict and predict the activities and behaviors of city government, social communities, city residents and entrepreneurs

    「無以規矩,不成方圓」 ,城市規范就是根據城市導引的需要,通過制定法規、政策、行政條例和規章制度成文法的有形文案,以及主動引導民間自發形成的風俗、道德、習慣無形約束,對城市政府、社會團體、企事業單和城市居民的社會活動及行為進行約定與預警的一項基礎性管理職能。
  12. This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes

    本文採用edge - basedfem為基本方法,結合物理光學法( po ) 、物理繞射理論( ptd ) 、積分方程( bi ) 、區域分解技術( ddm )和完全匹配層( pml )吸收條件求解方法構成的混合方法,對電磁散射和輻射問題進行了研究,主要包括以下內容:提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法,並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。
  13. On the basis of the work in xie et al. 5, xie et et al. 7 and liang et al. 8 established a dynamic repre - sentation of the groundwater table in a land surface model through reducing it to a moving boundary problem and solving it by the mass - dumped finite element method

    基於以上工作,謝正輝7 , liang8通過將地下水動態表示問題歸歸結為運動問題,用有限元集中質量法直接求解,建立了地下水的動態表示模型
  14. ( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too

    ( 6 )建壩工程荷載條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應力量值明顯增高,同時左岸的張應力區的范圍及量值明顯減小,主應力的方向依然與模型的底垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀態;水驟降時,在未考慮其他外力作用的情況時,滑體的安全系數將顯著降低。若考慮水驟降及本區最大地震力的共同作用,壩體將在滑坡體下滑推力的作用下產生破壞;建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于臨狀態;在長期滲透變形的作用下,由於滑帶的物理力學參數的降低而有可能導致壩體失穩破壞。
  15. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天線的性能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天線的波束收攏很多,並且向前輻射的增益大大提高,與普通天線相比,天線的e面和h面方向圖上向前輻射的增益均提高了約6db ,另外,該復合結構天線的方向性系數達到了11 . 5浙江大學博士學論文db ,與該物理尺寸天線的方向性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ,比qiu人設計的電磁晶體天線的相應差值減少了約1
  16. At present, the police in our country mainly through the " unit administration mode ", which merely emphasizes the administration of the website units, to execute this administration. however, with the rapid development of internet and expansion of its function, this administrative mode is under great impact, simultaneously, the police with the mode is challenged in terms of its management range, its administrative function, its management conception and so on. consequently, it inevitably results in some problems during the isa, such as blurring the borderline of the management, losing the balance of the role orientation and ignoring the importance of the people online

    我們目前實行的是一種以網站提供單為管理對象的「單管理模式」 ,但隨著網際網路的高速發展和網路功能的大幅拓展,這一模式之下的公安機關的管理幅度、管理職能及管理理念均受到了極大的沖擊,難以避免的出現管理模糊、角色定失衡、網上民眾緣化弊端,加劇了網際網路上病毒與有害信息的傳播及涉網違法犯罪案件的上升,也致使網上警民關系的緊張和警力資源的嚴重不足。
  17. Following, making development study from the three directions : the first one is how to reduce calculation when to use markowitz model. this text has improved the efficient frontier of markowitz model utilizing free risk assets, and reduced calculation about revenue rates " co - variance matrix utilizing single or multiple factors, and so on. the second one is to add thinking factors about, such as transaction fee, fund limitation, lowest transaction unit ' s limitation, risk measures and exchange rate risk of international portfolio securities, so as to make markowitz model closer to our country ' s practice

    接著,分三今方向對markowitz模型進行了拓展研究:第一個方向是運用markowitz模型時如何減少計算量,本文利用無風險資產來改進markowitz模型的有效,利用單因子或多因子模型來減少收益率協方差的計算量;第二個方向是增加考慮因素,諸如交易費用、資金限制、最小交易單限制,風險測度和國際組合證券的匯率風險,使markowitz模型更貼近我國的實際;第三個方向是對markowitz模型進行動態拓展研究,提出了將證券收益率看成是隨機序列時的投資決策模型,深入研究了m ? v有效隨資產品種數增加而發生的漂移,並用解析方法和幾何圖形描述了漂移的軌跡和方向。
  18. For the boundary nonlinear problems, such as elastic contact problem, the boundary displacements and boundary tractions are just the basic variables of the boundary integral equation, and the contact conditions can be satisfied with higher accuracy in bem ; therefore, the bem can be applied to solve the elastic contact problem more accurately

    對于彈性接觸問題非線性問題而言,由於移和面力正是積分方程中的基本未知量,元法能以更高精度滿足接觸條件,因此,元法能更精確地求解彈性接觸問題。
  19. However, because the meshless methods are relatively new, there exist the following technical problems : 1. complexity in algorithms for computing the interpolation functions ; 2. difficulties in the implementation of essential boundary conditions ; 3

    本學論文針對目前無單元發展中存在的主要技術問題:形函數計算;本質條件實現;影響域大小(包含其中的點數)的確定;輔助積分網格問題進行了研究。
  20. Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate

    摘要以普蘭德動量傳遞理論為基礎,按照卡門的三層模型,通過室內模擬環道用0號柴油及加入減阻劑在圓管內的流動參數的測定,計算了非牛頓型流體管內湍流層的層流內層、過渡層、湍流中心的渦流粘度,渦流粘度與運動粘度比、總應力隨相對置的變化定量參數,探討了高分子減阻劑對非牛頓流體流動特性的影響,對湍流減阻現象的機理與增大減阻率的條件進行了定量分析。
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