collision problem 中文意思是什麼
collision problem
解釋
沖突問題-
There are certain difficulties in studying the failure process of frangible materials such as concrete, rock, etc which are caused by dynamic loads such as collision, earthquake, exploding, etc by those current exited numerical methods like finite element method etc. so in order to solve such a problem we should introduce certain new numerical analysis method
現存的一些數值方法如有限元法等在研究混凝土、巖石等脆性材料在沖擊、爆破、地震等動荷載作用下的破壞過程問題中存在著一定的困難。因此，對於此類問題需要新的數值分析方法。 -
A discussion of problem on typical inelastic collision problem
一個典型非彈性碰撞問題的討論 -
When multiple tags are transmitting data simultaneity within reader ' s scope, that will occurs a collision. in order to resole this problem, we must use multiple access protocols
在射頻識別系統中的閱讀器作用范圍內，有多個應答器應答要求通信而發生碰撞問題。 -
Solving the problem of collision with d ' alembert ' s principle
用達朗伯原理求解碰撞問題 -
The techniques related terrain lod is systematically studied based on the quadtree data structure. combining the data block attemperation idea, we solved the data integrating and preculling problem, presented the boundary constraining solution, and calculated the collision detection for rambling
本文在四叉樹結構的基礎上較為系統的研究了地形相關lod技術，結合數據分塊調度思想，解決了數據連接和預裁剪問題，給出了邊界約束問題的解法，並針對漫遊計算了特定的碰撞檢測。 -
The second part of this paper deals with motion analysis which is called sfm ( structure from motion ) problem, that is, recovering the structure and motion of the object, two types of sfm algorithm are introduced - feature based and optical flow based. simulations for time to collision are done on image sequences formed by visible light and infrared image sequences. a new method called gate - average method based on the approach supposed by subbarao for the estimation of time to collision is presented
論文的第二部分討論了紅外圖象序列的運動分析，介紹了兩類運動分析的方法- - -基於特徵的方法和基於光流的方法，並對可見光圖象序列和紅外圖象序列的碰撞時間進行了模擬，並根據subbarao的方法，提出了對碰撞時間進行門限均值處理的方法。 -
4. study existing key - exchange protocols, promote and implement a key exchange protocol under the hardness assumption of the decisional diffie - hellman problem as well as the existence of collision - free hash functions. 5
在分析了密鑰交換方法的基礎上設計並實現了基於離散對數困難問題（ dlp ）和diffie - hellman密鑰交換協議，輔以hash函數和公鑰證書，進行會話密鑰交換方法。 -
This approach solves the problem of packet collision but also prevents the attached devices from establishing direct communication with each other
這種方式解決了包沖突的問題，但是同時也阻止了附加的設備彼此建立直接通信。 -
With the development of automobile industry and road transportation ， the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore ， it is urgent to study vehicle collision accidents comprehensively and systematically ， and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results ， this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly ， according to the collinear collision and two - dimension collision and the restitution coefficient ， the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly ， this paper try to research reconstruction of road traffic accident and put forward the method on it
對交通事故的科學分析應是建立在正確的數學模型與計算機模擬技術基礎上的定量分析，其基本條件就是要有能正確描述事故過程中汽車狀態的數學模型，只有建立正確的數學模型，才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和運動模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上，深入地研究汽車碰撞理論，分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速度的關系；其次，根據交通事故中最普遍的一維和二維碰撞的不同情況，採用恢復系數和滑動摩擦系數等概念，分別建立了碰撞后車輛動力學模型；第三，對汽車碰撞事故再現進行了初步研究，確定了車對車碰撞事故模擬計算和反推計算方法，並給出相應的模擬程序流程圖。 -
Fa _ maca is an improvement of the well known maca ( multiple access collision avoidance ) protocol, which not only avoids the " hidden terminal " problem in wireless channel, but also adaptively adjust the access delay based on the traffic flow and traffic priority of the network
將多業務種類的不同接入時延調整策略和傳統的maca多址接入協議相結合，提出了應用在adhoc網路中的流量自適應的maca接入協議? fa - maca 。 -
Although human beings have achieved a remarkable progress in maritime technology, maritime theories, marine instruments and equipments, up to now the problem of safely navigating unmanned ship along a planned route and preventing collision with encountering ships has not been satisfactorily solved
摘要迄今為止，無人駕駛船舶沿計劃航向航行以及與相遇船舶避碰的問題未能令人滿意地加以解決。 -
To solve such problem, an adaptability scale model of calculating the collision test between the weapon and the target was proposed, and further an algorithm to test the collision point with the method of heuristic search ( hs ) was brought forward
針對這個問題，建立了武器與靶標碰撞的適應度模型，提出了用啟發式搜索方法檢測碰撞點的演算法。 -
In the research of the n - body problem, central configuration is an important content from it, we can obtain periodic solution ; it has close connection with collision or escaping
在n -體問題研究中，中心構型是研究它的一個重要內容。由中心構型可以產生周期解，中心構型也與天體同時碰撞或逃逸緊密相關。 -
To assure that the hybrid ds - fh spread - spectrum communication mode has better capability of information safety and inference suppression, i bring forward a design scheme of ds - fh spread - spectrum communication system and solving effectively the crucial problem such as how to choose the user address, how to choose the hopping frequency and how to avoid the collision of the frequency which is used by different users at the same time
為保證系統可靠、有效地工作，本文提出了一種ds - fh混合擴頻系統的設計方案，並且有效地解決了系統的用戶選址、頻率選擇和頻率碰撞等關鍵問題。通過系統設計模擬證實了ds - fh混合擴頻系統具有優于ds系統的抗干擾性能，並在一定程度上提高了系統的抗遠近效應能力。 -
By utilizing the busy tones to realize the multicast reliability, rmac has three novelties : it uses a variable - length control frame to stipulate an order for the receivers to respond, thus solving the feedback collision problem ; it extends the usage of busy tone for preventing data frame collisions into the multicast scenario ; and it introduces a new usage of busy tone for acknowledging data frames positively
例如， ieee 802 . 11 ，現今應用最廣泛的無線mac協議，僅在單播unicast通信方式下提供可靠數據傳輸服務，而對于組播和廣播兩種通信方式，它僅傳輸數據一次，即使數據傳輸出錯，也不會重傳。然而近幾年來，由於無線網路應用的蓬勃發展，人們逐漸認識到在mac層提供可靠組播服務是非常必要的。 -
In order to slove collision detection problem in virtual surgery, a fast collision detection algorithm based on oriented bounding box ( obb ) was presented, which simplifies geometric representation to facilitate the process of collision detection between complex geometric objects
摘要為了解決虛擬手術的快速碰撞檢測問題，提出了一種新的基於方向包圍盒層次樹的快速碰撞檢測演算法，利用簡化的幾何模型表示一方向包圍盒層次樹來實現復雜物體間的實時碰撞檢測。 -
This thesis then gives the general framework and some typical methods of collision problem. with the need for fast cloth simulation, the author proposes an efficient solution to the collision problem, where the surfaces are triangulated
本文接著分析了碰撞檢測與響應演算法的研究意義以及技術難點，給出碰撞檢測一般演算法框架和經典方法。 -
The collision problem is not one of the more pressing issues to solve
沖突並不是非常迫切的問題之一。 -
By building three - dimensional coordinate system, setting collision detecting lines, this paper commendably solves the three - dimensional collision problem during spreader moving, including spreader moving state after collision and spreader landed judgement. 5
本文通過建立三維坐標系、設置碰撞檢測線，很好地解決了吊具運動中的三維碰撞問題，包括碰撞后的吊具運動狀態和吊具著箱判斷。 -
I further put forward design principle and instructional design strategy according to instructional design thought based on exploring. finally, in order to make for add fuel to the fire on the devel opment of exploring learning and the design of exploring learning environment, the development and practice has been carried out in senior high school physics based on collision problem and i took an example to present the design and development process of problem - based exploring mcai
交互性的集成開發框架，並以探索性教學設計思想為指導、提出問題探索型mcai的設計原則、選題原則和教學設計策略，最後在全日制高級中學教科書（必修限選試驗本） 《物理》 （第三冊）中選取「碰撞問題」為研究選題，進行了開發實踐，以案例形式體現了問題探索型mcai的設計和開發過程，從而為探索性學習、探索型學習環境的設計與開發起到推波助瀾的作用。
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