限定線束 的英文怎麼說
中文拼音 [xiàndìngxiànshù]
限定線束
英文
defined beam- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 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...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 束 : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
- 限定 : prescribe [set] a limit to; limit; restrict; determine; define; qualify
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The study indicates the limitation of imposing tax through congressional or parliamentary procedure, and emphasizes the importance of constitutional constraint on tax power
研究指出了法治社會中稅收法定的有限性,提出施加憲政約束是保障稅權不被濫用的又一道防線。Huihua electronic co., ltd is specialized in producing bending tie, steel ingot line clip, orientation patch, pressing line hat, connection port, cold pressing port, etc. which got across the attestation of iso9001 qulity system, some products have been attestated by us ul, this company have advance producting appliance, perfect qulity testing instrument and wonderful would producting instrument
惠華電子有限公司是專業生產束線帶、鋼釘線卡、定位片、壓線帽、接線端子、冷壓端子等產品,並通過了iso9001質量認證,部分產品通過了美國ul認證,本公司擁有先進生產設備,完善的質量檢測儀器和齊全的模具加工設備。Shanghai huihua chengye electronic co., ltd is specialized in producing bending tie, steel ingot line clip, orientation patch, pressing line hat, connection port, cold pressing port, etc. which got across the attestation of iso9001 qulity system, some products have been attestated by us ul, this company have advance producting appliance, perfect qulity testing instrument and wonderful would producting instrument
上海惠華誠業電子有限公司是專業生產束線帶、鋼釘線卡、定位片、壓線帽、接線端子、冷壓端子等產品,並通過了iso9001質量認證,部分產品通過了美國ul認證,本公司擁有先進生產設備,完善的質量檢測儀器和齊全的模具加工設備。The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected
用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究,提出了一系列可供參考的數據:確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角;討論了第二準直器的尺寸和發散,以及使用第二準直器造成的強度損失;給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率,以及多種組合情況下譜儀的解析度曲線;對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given
根據平面剛架穩定性能量法特徵值方程(通式) ,考慮弧形鋼閘門主框架柱的柱端約束的特殊情況,求出撓曲線函數(試解函數)通解,得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。Nonlinear model based predictive control ( nmpc ) not only is a valuable approach for solving practical control problems, but also is the frontier of nonlinear control theory. the perceptible successes of mpc strategies can be attributed to several factors including its inherent ability to handle input and output constraints, time delay and incorporation of an explicit model of the plant into the optimization problem. this dissertation discusses two kinds of nonlinearity ( or nonlinear system )
本文沿著理論研究與工程實際相結合的設計思路,較為系統和全面的研究了非線性模型預測控制理論,提出改進新演算法;探討了非線性模型預測控制理論在自主水下航行器控制系統設計中的應用,豐富和發展了模型預測控制理論,本論文的主要工作及意義有以下幾個方面: 1 )從工程應用的角度研究有限域無終端約束廣義預測控制穩定性充分條件,為有約束廣義預測控制穩定性研究奠定了基礎。Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters
本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點,通過深入分析目前隧道支護結構設計中存在的各種問題,抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題,引入結構優化理論中的簡易復合形優化方法,深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型,提出了三種襯砌斷面形狀(單心圓、坦三心圓和尖三心圓)的優化選型方法,建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法,並開發出相應的計算機程序,用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型,得出了一系列較為合理的支護結構設計參數。Combined with the full scale models tested in - situ of prestressed concrete penstock with double circle unbonded strands and single circle bonded strands of xiaolangdi multipurpose dam project of yellow river, the advantages and disadvantages of two different prestressed systems are analyzed, the concrete stress distributions of the prestressed concrete penstock are induced and summarized during the whole tensioning strands stage. the consistence among the test results, the theory calculating and the three dimensional finite element analysis is proved. therefore, the theoretical method of prestressed concrete penstock is feasible
結合黃河小浪底水利樞紐工程在施工現場進行的採用雙層雙圈環形無粘結預應力鋼絞線和單圈有粘結預應力鋼絞線對排沙洞襯砌混凝土施加預應力的1 : 1模型試驗,對比分析了兩種后張預應力施工體系的優劣,歸納總結了預應力筋束張拉過程中預應力混凝土壓力管道結構管壁混凝土的內力分佈規律,驗證了模型試驗實測數據、理論計算和三維有限元分析結果的一致性,確定了預應力混凝土壓力管道理論計算方法的可行性。When differential equations are encountered, they are linearized and subjected to whatever constraints are necessary to establish useful input - output relationships
當使用微分方程時,要對其進行線性化並受限於一定的約束條件才能建立有用的輸入-輸出關系。The thesis presents a new method to calculate transient stability limit, describing the calculation problem as a best parameters selection problem, with an object of largest transport power on transmit lines and constrains of static variables and transient stability
本文將求解暫態穩定極限問題描述為一個以輸電線路或輸電斷面輸送功率最大為目標,以靜態運行變量及暫態穩定為約束條件的最優參數選取問題。This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method, respectively. examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented. compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly
提出了一種簡單、易於實現的恆定束寬波束形成器設計方法,該方法對陣形和陣元指向性沒有任何限制;分別提出了基於陣列接收數據重采樣、基於dft插值和自適應綜合的三種具有頻率不變波束圖的寬帶波束形成器設計方法,對于每一種設計方法都給出了一個設計實例並做了性能分析;提出一種基於dft插值的簡化線性約束最小方差寬帶自適應陣列演算法,該方法可以大大降低自適應陣列的運算量。This paper constructs fe models of srm in detail and analyzes the vibration mode and natural frequencies with the finite element analysis software package, and studies the influence of the stator structure of srm, such as stator poles, ribs, mounting feet, terminal block and structure parameters, restriction condition on the srm vibration behavior, the contrast to experiment result implies that the fea model is close to the real model for analyzing the vibration characteristics of srm
本文基於有限元分析方法,主要研究了定子凸極、底座、散熱筋,加強筋,接線盒等結構以及結構參數對定子固有頻率和振動模態的影響,並且研究了約束條件下的sr電機定子振動特性。本文比較了模態實驗與有限元分析結果,表明所建立的二維有限元模型對分析sr電機的振動特性有較好的精度。Having great difference with the tradition structure, its outline is no - gradual - enlargement. the reason of rotator the key point coordinate and restriction, origin of the new coordinate system after transform, the angle of the rotator. transform of the key point between the new and old coordinate system, the rotator angle of coordinate system in ansys during the fem model come into being
本文討論了非漸擴形結構指尖密封曲梁關鍵點坐標旋轉的原因、旋轉的約束條件,旋轉后新坐標系圓心坐標的獲得、旋轉角度大小的確定、曲梁型線關鍵點坐標在新舊坐標系之間的轉換及在ansys中建立有限元模型時坐標系旋轉的原因及角度大小的確定等問題。Abstract : proper adjustment of the front wheel hub of the automobile can minimize the risk of damage caused by the out ward inclination of wheels and only thus can the car run straight forward more swiftly and steadily with less wearing of the front wheel and higher safety record
文摘:汽車前輪前束的合理調整,能最大限度地減少車輪外傾所造成的不良後果,使汽車直線行駛過程穩定,轉向輕便,達到前輪胎磨損量小和提高汽車安全行駛的最佳效果。In the aspect of the time - optimal control algorithm, with the special trajectory, a method for seeking scalar velocity bound curve and scalar acceleration limit has been proposed, which fully considered the dynamics nonlinear
在機器人時間最優控制演算法方面,提出一種在特定軌跡約束下尋求標量速度邊界曲線和標量加速度極限分佈的方法,其充分考慮了機器人動力學的非線性因素。By analyzing the scalar velocity bound curve and combining distribute of acceleration limit, a time - optimal control algorithm was designed. the results of experiments show it can make full use of the capacity of motor while realizing the stability and positioning accuracy of system, solving the problem of time - optimal control
通過對標量速度邊界曲線的分析,結合加速度極限分佈情況,設計了一種在特定軌跡約束下機器人時間最優軌跡規劃演算法,以在保證系統穩定性和定位精度的前提下,充分發揮電機的性能。The laser beam treated as a linear reference is used widely in the manufacture and measurement equipments, due to its many advantages, such as high brightness, good directivity, and good coherence etc. but the further improvement of the laser directional stability accuracy is restricted by some factors, such as the environment etc, which restrain the application greatly in the ultra - precision manufacture and measurement equipments
激光光束由於其亮度高、方向性好、相干性好等優點,常被作為直線基準廣泛應用於加工和測量設備中。但由於受環境狀態等因素的影響,制約了激光方向穩定精度的進一步提高,限制了激光在超精密加工和測量設備中的進一步應用。Huihua are specialized in producing cable ties, nail clips, terminals, terminal blocks, etc. wiring accessories which got across the attestation of iso9001 qulity system. our cable ties had approvaled by ul, and we have advance producting appliance, perfect qulity testing instrument and wonderful mould producting instrument
深圳惠華誠電子有限公司(上海惠華誠業電子)是專業生產束線帶、鋼釘線卡、定位片、壓線帽、接線端子、冷壓端子等產品,並通過了iso9001質量認證,部分產品通過了美國ul認證,本公司擁有先進生產設備,完善的質量檢測儀器和齊全的模具加工設備。The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out
在求解過程中,假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成,首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場:以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域,由於場源放置在內邊界面上,使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程,利用分離變量法求解,根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數,從而得到各場區矢量磁位的表達式。In the first part, the scaling rule for the hydrogenic impurity binding energy and the virial theorem value ( potential - to kinetic - energy ) in infinite quantum wells and quantum wires of rectangular cross - section with three different aspect ratios are studied through the variational method
在第一部分,利用變分法計算了無限深gaas矩形量子線和量子阱中類氫雜質束縛能的度規法則和維里定理值。分享友人