超定方程組 的英文怎麼說

中文拼音 [chāodìngfāngchéngzǔ]
超定方程組 英文
overdetermined set
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 組 : Ⅰ名詞1 （由不多的人員組成的單位） group 2 （姓氏） a surname Ⅱ動詞（組織） organize; form Ⅲ量詞（...
  1. In this protocol, the transmitter organizes the frame according to it, and the receiptor does validity check of the characters, length check, crc check. thus, the system will work more exactly and efficiently. and based on rs - 485 communication, the paper implements a process communication method, which is impulsed by overtime message of timers ’ check

    在這種協議中，發送方根據協議組幀，接收方主要採用了字元合法性校驗、長度校驗、內容的crc校驗，提高了通信的效率及正確性，最後在rs - 485通信上實現了基於定時器超時檢測消息驅動的進程通信策略。
  2. The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied

    本文的主要工作是用隱式有限差分法求解三維非定常紊流n - s方程組，數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流，並在此基礎上研究了彈性機翼的氣動彈性問題。
  3. Engine and performance : two stroke air cooling engine, powerful ; key parts imported, reliable and durable ; excellent start - up performance of no less than three times ' drawing, easy and convenient to operate ; chain wheel drive, minimum power loss ; constantly variable speed and disk brake guarantee your safety

    動力性能：風冷二沖程發動機，功率強大，多種進口件組裝，性能穩定可靠，壽命長；優異的啟動性能，保證您不超過三次拉動，即可啟動發動機；採用無級變速裝置及性能優良的碟剎系統，使整車運行安全可靠，操縱方便；鏈式傳動，令功率損失減至最小。
  4. Kiln guiding - rail bricks, supporting suspension bricks and ultra - thin extruded batts are recently developed for the phenomenon of pollution and pulverization caused by using insulation bricks or high - temperature refractory wool in the kilns. they are made from cordierite and mullite with a high strength. they can cover the kiln wall structure made of refractory fiber, greatly reduce pollution and pulverization, remarkably save the energy, easy to be constructed on worksite, and the aspect is beautiful and novel. they are ideal material for large - scale shuttle - kiln or computerized puadrate kiln

    窯體道軌磚及支撐吊磚和超薄中空板是針對目前窯爐採用傳統耐火材料在使用過程中由於組多原因造成落臟或粉化現象而開發生產；它是堇青石-莫來石材料製造而成，強度大，熱穩定性佳、覆蓋耐火纖維製品組成窯爐墻體結構，它能大大減輕落臟與粉化現象，節能效果十分明顯、施工方便、整體美觀新超是高級大型梭式或電腦方窯等窯爐的理想材料。
  5. Theory research based on overrelaxation : according to electromagnetic theory fundamental equation, boundary condition is analyzed, iterative formula is deduced, overrelaxation factor is selected and calculation program is composed. through calculation on varied parameter, a group of suitable parameter is found out. in the third chapter : the conclusion of theory research is verified through experiment

    理論研究使用超鬆弛迭代法：根據麥克斯韋電磁理論基本方程，建立了磁場浙江大學博士學位論文：行程傳感液壓缸基礎技術的研究分析數學模型，分析了邊界條件，推導了迭代公式，確定了鬆弛因子，編制了運算程序，通過對不同參數的試算，找到了一組有規律參數之間的關系。
  6. The sirt inversion operator can be applied to solve the large - scale sparse linear equation and velocity tomographic inversion can be performed based on direct arrival traveltime and accuracy could be 3 meters

    研究成功的sirt反演演算法可用於求解大型稀疏超定線性方程組，根據直達波旅行時進行速度層析反演，其精度可達到3米。
  7. Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils

    通過多種技術方案比較，最終選擇了技術先進的砂墊層預抬高分級充水預壓法，論文工作主要由以下兩部分組成： （ 1 ）砂墊層預抬高分級充水預壓法的適用性研究，其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析； （ 2 ）施工監測與地基處理效果檢驗，其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。
  8. Actually, this is to resolve an over - determined nonlinear system including six output values and eight input values. so newton - gauss iterative algorithms is used, set up the target function in the sense of the least squares. it is discussed whether the minimal solution to the function exist and is single one while the astringency of newton - gauss method is analyzed

    對于冗餘驅動振動臺，其位姿正解是求解具有八個輸入、六個輸出的超定非線性方程組，因此本文採用了最小二乘法中的牛頓?高斯迭代法，建立最小二乘目標函數，對目標函數極小解的存在性、唯一性以及牛頓?高斯迭代法的收斂性進行了理論證明和分析，將求出的最小值作為位姿正解的最優解。
  9. Presents a method for sfs based on model of polyhedron. we carry out the algorithm by solving a overdetermined linear equations which is constructed through the distributing of the vector field. the algorithm can reconstruct 3d surface from photometric stereo image given the direction of illumination

    針對目前「從明暗恢復物體形狀方法」存在的問題，提出了以多面體模型為基礎的快速演算法，根據向量場的分佈建立關於物體表面深度信息的超定線性方程組，在最小二乘意義下求得物體表面的深度值。
  10. In 1978, professor zhang hong qing uses the method of gebraic elimination and factorization in differential equations and successfully solve a great kind of the reducing problem of the over determined differential equations. he gives the method of " ac = bd " which used to solve the differential equations. recently, this theories have a new development, and he forwards the c - d integrable system and c - d pairs

    1978年，張鴻慶教授將代數消元和因式分解思想方法用於微分方程組，成功地解決了一大類超定微分方程組的約化問題，並提出解微分方程的「 ac = bd 」模式，近來這一理論又有了新的發展，提出了c ? d可積系統與c ? d對的概念。
  11. The validity of the subsection simulation method is proved, in which postprocessing technology is widely used. the sixth, the static simulation is neces sarily to find out the dynamic system ' s initial state for dynamic simulation. the gun is looked upon as a hyper - equilibrium structure, and a so - called " parallel projection method " is brought forward for the gun ' s static simulation

    提出了一種求解線性方程組的方法?平行投影法，針對adams對超靜定系統靜態分析不力的情況，研究了求解全炮靜態問題的途徑和方法，並應用平行投影法求解車體懸掛的初始平衡力，求得了較符合客觀事實的解，從而完成了火炮發射前的靜態分析。
  12. In the third chapter we discuss lc1 constrained optimization problem. to solve it, we turn it into nonsmooth equations, utilizing inexact theory we give an inexact generalized newton ' s method and under some mild conditions we prove that it is global convergence and superlinear convergence

    首先將其約束問題的求解轉化為非光滑方程組的求解，然後利用不完全求解理論給出了一個非精確的廣義牛頓演算法，在一定的條件下證明了演算法的全局收斂性和局部超線性收斂性並給出了lc ~ 1非線性約束問題的收斂性條件。
  13. The main studying contents and achievements in this dissertation are presented as follows. based on the analysis of the selective harmonic elimination pwm mathematical model, an equivalent newton iteration solving method about the switching angles nonlinear transcendental equation set is presented. the algorithmic convergence time is enormously reduced and the algorithmic convergence ability is highly increased

    本文的主要研究內容和成果如下：通過對單相特定消諧pwm數學模型的分析，提出了關于開關角非線性超越方程組的等效轉化牛頓迭代解法，極大地縮短了演算法收斂時間，提高了演算法的收斂性，為特定消諧pwm開關角的工程計算提供了新的方法。
  14. For many risk factors, the thesis carries out a system research into the risk that international project constructors meted in the course of construction from the constructors " view point, the character of risk factor is described and cataloged method of risk assessed and special idea of risk early - warning is made out. then risk management system and risk management hyper - text organization are founded to instruct risk management

    從總體上，對風險因子的各個特徵進行了詳細的分析和分類，提出了風險總體判定方法和風險預警的具體思路，闡明了國際工程承包風險管理的主要內容，建立了風險管理評價體系，提出了風險管理的主要方法和實施風險管理的主要措施。最後，通過建立風險管理信息系統，架構風險管理超文本組織為企業有效進行風險管理提供理論依據和指導。
  15. The moving grid of type c - h for wing are generated by an algebraic procedure. the steady and unsteady transonic ( and subsonic ) viscous flows around wing are numerically simulated. the 3 - dimensional time - averaged compressible navier - stokes equations with b - l or j - k turbulent models are solved by the implicit lu - n7nd algorithm

    用代數方法生成機翼的c - h型運動網格，從三維非定常n - s方程組出發，利用lu - nnd有限差分格式和b - l或j - k湍流模型建立了一種數值模擬三維機翼的亞、跨、超音速定常及非定常粘性繞流的方法和程序。
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