線束跡 的英文怎麼說

中文拼音 [xiànshùjī]
線束跡 英文
beam trace
  • 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;...
  • 跡 : 名詞1 （留下的印子; 痕跡） mark; trace 2 （前人遺留的建築或器物等） remains; ruins; vestige 3 （...
  1. Abstract : in this paper ， a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived ， such as ， the position vector for the incident point ， the scalar expression for reflected ray ， scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性，導出多光束掃描入射點位置矢量、反射線標量表達式、觀察面上的掃描軌跡方程，並研究了掃描遠場的非對稱性。
  2. With the experiment part, the errors of sk - 21 nc machine tool have been measured, and a serial of data is gotten which lead to the error discrimination. ( 3 ) based on the kinematical theory of mbs, the calculation methods for the ideal center envelop curve of grinding wheel on cam grinding, the practical cutter track, inverse contour of cam, ideal nc instructions, precision nc instructions, the inner / outer normal and the fitting criterion of curve have been all discussed in detail in this paper

    （ 3 ）通過精密加工的約束條件方程，探討理想刀具路線、逆變數控指令與實際刀具軌跡之間的映射關系，解決誤差補償技術提高加工精度的核心問題? ?當要求數控磨床的砂輪中心準確到達給定的理想點時，精密數控指令值究竟該是多少，如何能夠通過計算，獲得這樣的數控指令值，給出經修正的數控指令計算方法。
  3. In this thesis, a new kinematic model of nonholonomic car - like robot, differential driving car - like robot model is proposed. a feedback controller via approximate linearization and a feedback controller via exact feedback linearization are designed for trajectory tracking problem. it is proved that differential driving car - like robot model can be converted into a canonical form, chained form

    本文提出一種新的非完整約束車型機器人運動學模型? ?差動驅動機器人模型，就軌跡跟蹤問題，設計出了近似線性化反饋控制器及精確線性化反饋控制器，並證明了這種運動學模型可以轉化為一種標準型? ?鏈式結構，因此此項研究具有普遍意義。
  4. A focal plane imaging is limited in catching object when spot - focusing horn lens antenna is applied in ballistic wake microwave interferometer. so we consider to designing multiple beam focusing horn lens antenna in order to augment the range of catching and enhance the probability of hitting the target

    本文的主要工作是針對彈道靶尾跡微波干涉儀里的點聚焦單波束捕捉目標的有效性能不足，而考慮設計一個具有點聚焦特點的多波束聚焦透鏡天線，以增大捕捉范圍和提高中靶率。
  5. Through a deep study over the epipolarity based on the projection track method, the author puts forward the approximate line constraint method of dynamic epipolarity, and sets up constraint conditions of epipolarity in linear ccd push - broom stereo image matching, and proposes an imaging constraint method on the basis of application analysis of epipolarity, and taking imaging characteristics into account. 5

    通過深入研究基於投影軌跡法的核線模型，提出了動態核線的近似直線約束方法，建立了線陣ccd推掃式影像立體匹配的核線約束條件；在核線應用分析的基礎上，結合影像立體成像的特點，提出了一種基於核線的成像約束方法。
  6. Presented four methods of laser collimation, realized 3 of them with the software of zemax, and meted the requirement of the system design ; 3. realized the laser beam expanding from point - laser to line - laser wide enough to cover the flange trackside ; 4. after image grabbing and processing, picked up the profile of the train wheel

    作者獨立完成的工作包括： 1 、提出了曲面測量的光學系統的整體方案； 2 、提出了四種激光擴束的方案，用光學設計軟體zemax完成了其中三種的設計；經過像差分析和追跡，達到了準直擴束的要求； 3 、點光源到線光源的單方向擴展，達到了覆蓋輪緣踏面的要求； 4 、通過實驗採集圖像和圖像處理，提取出被測輪緣的輪廓。
  7. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步脈沖發放和側抑制特性，提出了基於改進型pcnn的圖像凹點檢測演算法，該演算法是一種自適應而有效的圖像凹點檢測方法，並且較好地模擬了人類視覺系統；然後，結合信息傳遞和信息耦合特性，將pcnn擴展成pcnns （ pcnn網路群） ，提出了一種基於pcnns的圖像融合演算法，能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中，有效模擬了人類視覺系統；另外，結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性，開拓地將pcnn用於模式分類中，提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法，前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類，而後者能夠消除訓練樣本中刺點對分類的影響；最後，結合累積差分圖像思想、 pcnn波的形成與傳播特性，通過各神經元之間連接取向來選擇與控制自動波的流向，將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。
  8. By the ray tracing in the channel waveguide, the dependency of the launching efficiency on the relative position of the pumping beam to the waveguide is analyzed and the coupling conditions are optimized

    通過幾何光學法追跡泵浦光線在波導中的傳播，系統地分析了泵浦光束與波導相對位置變化對泵浦耦合效率的影響，進而確定最佳耦合條件。
  9. 3. a raytrace model of both co - axis and non - axis beam propagations for high - power solid - state laser systems has been set up and simulations on shots have been conducted to get the spot distribution at target point. according to the requirement of system design and theory of mathematic statistics, the dispersion circle and frequency distribution, which optimize the stability allocation of optical components, have been presented

    3 、建立了共軸與非共軸相結合的光線追跡模型，通過對大型固體激光裝置打靶的模擬模擬，獲取光束在靶點處的彈著點分佈，依據總體設計要求，運用數理統計原理，採用彌散圓和頻率分佈方法對彈著點分佈進行分析，優化光學元件穩定性分配指標。
  10. What ' s more, the optimal solution cannot be guaranteed. according to the constraint nonlinear programming of designing horizontal trajectory presented by jiang shengzong in 2001, the paper constructs a nonlinear multilevel lumped parameter dynamical system by the nonlinear control theory and describes the existence of its solution and the controllability as well as the polykeys of this optimal control

    2001年江勝宗等人提出了側鉆水平井軌道設計的約束非線性規劃，本文應用非線性控制理論，建立了三維水平井井眼軌跡的非線性集中參數多階段動力系統，論述了該系統解的存在性及其最優控制的可控性和多解性。
  11. 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。
  12. 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。
  13. In the articulation space, we optimize time ; form module by adopting b spline curve, which including speed and acceleration constraint. we make use of mainly compound form optimizing program to find optimal solution

    在關節空間中，針對時間的進行優化，採用b樣條曲線來構建優化軌跡模型，把速度和加速度約束因素包括進來，利用復合形的優化程序尋最優解，符合要求的優化精度。
  14. The paper introduces the nonlinear programming method under nonlinear constraints to well trajectory design while drilling and puts forward an optimization method for well trajectory design

    本文將非線性不等式約束下的非線性數學規劃理論引入到水平井待鉆井眼軌跡設計中，提出了水平井待鉆井眼軌跡的最優化設計方法。
  15. Green " s theorem is employed to find the quantity relationship among the constraints of heating rate, dynamic pressure and lift in reentry flight. the paper deduced the approximate solution of the optimal aeroassisted coplanar trajectories under the three typical constraints. the performance index to be minimized are either heat input, the total dynamic pressure, time during the atmospheric flight, the time integral of the square of the path inclination ; or maximize the time of flight during the atmospheric portion of the trajetory. an important conclusion is firstly obtained : under the three constraints above, the optimal aeroassisted coplanar transfers with the first forth kinds payoffs have the same optimal control laws

    採用格林函數法，給出了同一平面氣動力輔助變軌飛行的3種過程約束（氣動加熱率、動壓、升力約束）條件之間關系的近似定量描述形成的飛行包絡線.由此求解了航天器同時受3種約束條件時，各種性能指標下的同一平面氣動力輔助變軌軌跡的近似解及相應的最優控制規律.文中對近似解與控制規律的內部結構作了細致的分析，得到了一些有益的結論
  16. Considering that the robot system. where constraints are nonholonomic, is highly complicated. highly non - linear and high system of coupling. the technical of ism ( terminal sliding mode ) is applied to make the control of path following. the result of the simulation which use tsm shows that we can control the trailers form the initial configuration to desired track within regular hour

    由於基於非完整約束的機器人系統是一個高度復雜、高度非線性、高度耦合的系統，本文採用tsm （ terminalslidingmode ）技術進行了運動軌跡的跟蹤控制模擬分析，結果表明可以較好地將拖車系統在一定時間內從初始位置控制到目標軌跡。
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