boundary treatment 中文意思是什麼

boundary treatment 解釋
邊界處理
  • boundary : n 邊界,疆界,限界 (between);(球場)邊線;界標;界限,范圍,分野。 aboundary dispute 邊界糾紛...
  • treatment : n 待遇;作業;處理,處置;討論,論述;【醫學】治療,療法;(種子的)消毒(處理)。 preferential t...
  1. Based on these experiments, it may be claimed that there is segregation of sn to grain boundaries in 0. 15 % c steel during cooling from a high solution treatment temperature. this segregation reduces grain boundary cohesion, which results in low hot ductility and intergranular fracture

    通過試驗和計算得出: sn在0 . 1swt . % c鋼中發生非平衡晶界偏聚的臨界時間為1245左右,臨界冷卻速率大約為8 / s ,與試驗結果基本一致。
  2. A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane

    全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在基波頻率處的性能,用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示,本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的表面波,增加了天線的帶寬,並有效地削弱了旁瓣,使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。
  3. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    ( 3 )進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究,以及有升力約束情形下機翼跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件數學表達形式,研究與發展了三維共軛方程的有限體積數值求解方法,及相應梯度公式的數值求解方法,通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合,成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序,成功地進行了多個設計算例研究。
  4. Aiming at the limitation of classical boundary extension methods, interpolating subdivision method is brought forward to resolve boundary treatment problem by taking different subdivision depending on the position of image data ( three conditions )

    還針對傳統延拓邊界處理方法缺陷,採用插值細分演算法對圖像信息數據所在位置不同(分三種情況) ,用不同插值方式處理數據來解決邊界問題。
  5. With the flowchart the program can be divided into six parts and it includes initial flow field, computation of molecular motion, boundary treatment, re - sort of molecular, sample and computation of molecular collision. several cases have been simulated to certify the correctness of the program. dsmc method is improved using method of characteristics to modify the boundary condition and gets the goal as expected

    首先,編程實現了基本dsmc方法對二維流動的計算,給出了所用演算法的原理、相關模型,並結合程序結構流程圖,分別介紹了初始化流場、計算分子的運動、邊界的處理、分子的排序、抽樣計算分子的碰撞、流場參數采樣統計各個功能模塊在fsmm2d中的實現,並對該程序進行了算例校驗。
  6. In boundary treatment, the model turns into generally adds coarseness boundary made of specially complex many coarseness body in the physical model experiment as the coarseness body highly and discharges the density to add the coarseness spot as the main characteristic whole, both to avoid the location within the body of this complex mathematical simulation problems, and could realize this model after to simulate the apron that adds the coarseness namely adds the coarseness section downriver speed of flow to the downriver current of water base speed of flow influence in to hang upward

    該模型在邊界處理時,將物理模型試驗中由特別復雜的多個加糙體組成的加糙邊界概化成以糙體高度為主要特徵的整個加糙部位,既避開了對加糙體內部進行極其復雜數學模擬的這一難題,又能實現模擬海漫加糙段下游水流流速在垂向上的分佈變化這一主要目的。在獲得基本的入流流速分佈、初始水位及加糙體的絕對高度和加糙段長度的情況下,能迅速模擬出加糙段下游各個斷面在垂向上的流速分佈情況。
  7. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁(光子)晶體貼片天線,用fdtd方法並結合pml吸收邊界條件對該天線進行了研究,結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善,與普通天線相比,基底中的表面波受到很大抑制,天線的帶寬增加,遠場方向圖上天線的旁瓣和背瓣被明顯削弱,向前輻射的增益由原來的12db增加到26db ,增加了14db ,比文獻上報道的gonzalo等人的研究結果提高了4db 。
  8. For radiation measurement of foodstuff samples collected at boundary control points, wholesale and retail markets, as well as drinking water samples collected at reservoirs, inlets and outlets of water treatment works, water catchment areas and consumer taps

    一共操作二十五臺食物食水污染監測系統,分析在邊境管制站、各區批發市場及零售市場抽取的食物樣本,及在本港各水塘、濾水廠水源出入口、集水區及用戶水龍頭抽取的食水樣本。
  9. For radiation measurement of foodstuff samples collected at boundary control points, wholesale and retail markets, as well as drinking water samples collected at reservoirs, inlets and outlets of water treatment works, water catchment areas and consumer taps. locations of the food water contamination monitoring systems

    一共操作二十五臺食物食水污染監測系統,分析在邊境管制站各區批發市場及零售市場抽取的食物樣本,及在本港各水塘濾水廠水源出入口集水區及用戶水頭抽取的食水樣本。
  10. 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吸收邊界條件,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浙江大學博士學位論文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等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等人設計的電磁晶體天線的相應差值減少了約1
  11. We can control the director orientation by boundary conditions or applying a magnetic ( electronic ) field. for the liquid crystal cell, the director orients fixed because of the surface treatment

    對于液晶盒,由於液晶盒基板表面是經過處理的,所以沿基板表面液晶的指向矢有確定的排列取向。
  12. Lattice boltzmann method ; boundary treatment ; flow around cylinder ; parallel computation

    玻爾茲曼方法邊界處理圓柱繞流并行計算
  13. Lbm is a recent developed method with advantage of high parallel performance and easy boundary treatment. for curvilinear boundary, a new method has been adopted for simulation of flow around cylinder with

    Lattice boltzmann method lbm是一種近年來發展的一種數值方法。它具有并行效率高,邊界處理簡單的特點。本文採用一種能對曲線邊界進行較好處理的方法,用lbm對
  14. Better cross - boundary infrastructure, more efficient boundary crossing procedures, improved treatment of empty containers, increased cost competitiveness would strengthen hong kong s port cargo handling capacity

    改善跨界基礎設施,更有效辦理通關程序,改善處理空貨櫃的措施,降低成本提高競爭力,都有助加強香港港口處理貨物的能力。
  15. Some issues associated with the algorithm such as wavelet function selection, analysis level, and boundary treatment and so forth have been discussed. the stein self - adapting threshold denoising method is used to the signal pretreatment, thus the snr and resolution are improved

    採用基於stein無偏似然估計自適應閾值選擇原理的實用消噪方法對故障信號進行預處理,在改善信噪比的同時,又提高了對突變信息的解析度。
  16. Treatment of boundary condition during multi - point forming process of square cup

    盒形件多點成形邊界條件的處理
  17. The orthogonality relationship is applied to the treatment of boundary conditions to decouple the coefficient equations, and the explicit solutions are obtained

    並將正交關系應用於可對角化邊界條件的處理,實現了求解待定系數方程組的解耦,求得問題的顯式封閉解。
  18. Based on the analysis of the monitoring data during construction and the settlement of stacking yard surveyed after 2 years ' operation, this paper introduces the design and construction of sct2 ground treatment engineering, and main technical problems such as drilling holes and boundary treatment, together with relevant solutions

    摘要結合施工過程中的各項監測數據及堆場使用2年後的沉降情況,介紹sct2地基處理工程的設計、施工情況,以及施工中存在的引孔、邊界處理等主要技術問題及其解決辦法。
  19. Based on the simulation method of finite difference time domain ( fdtd ) ( together with the boundary treatment of an anisotropic perfect matched layer of absorbing media for the truncation of fdtd lattices ) and the theory of ordinary antennas, antennas based on photonic bandgap ( pbg ) materials and meta - materials are studied in the present dissertation

    在開展有限時域差分法(結合各向異性完全匹配層邊界)演算法研究和普通天線模擬設計研究的工作基礎上,本論文主要進行了基於光子晶體( pbg )與異向介質的新型天線的研究。
  20. Furthermore. symmetric extension is used to simplify boundary treatment. so the implementation on tms320c6201 dsps become more easy. the program is optimized to improve execution speed and can be used in real system. at last. analyzing performance of this system and experiment results. this paper describes a scheme of image compression card, this scheme will be developed in the next step

    本文針對c6201晶元定點性能優異的特點,對具體的小波實現演算法進行了改進,不但得到了整數的結果,而且計算也以定點為主;同時採用對稱延拓的方法,簡化了邊界點的處理演算法,使得程序更適合在c6201dsps晶元上實現;為了提高程序的執行速度進行了優化,使其可以滿足實際應用的要求。
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