relative velocity 中文意思是什麼
relative velocity
解釋
相對的速度-
The cost of the system is reduced and the structure is predigested, and it makes the detection system can measure distance, relative velocity and azimuth angle at the same time
這樣做既提高了系統的經濟性，簡化了結構，又使得系統具有了同時測量目標距離、相對速度和方位角的功能。 -
With the increase of the relative velocity, the variations of side force coefficient and yawing moment coefficient of the overtaken vehicle will increase linearly
被超車側向力系數和橫擺力矩系數的變化量隨兩車相對車速的增加呈線性增加的趨勢。 -
Diamond micro powder ( abrasive grain = 0. 5 u m ) is added to the plating liquor, after many experiments, we discover every parameter of composite electro - brush plating, includes voltage of brush plating, relative velocity of between brush plating pen and workpiece, adding quantity of diamond micro powder etc. finally steel balls millstone covering with ni - fe - diamond composite electro - brush plating film is produced successfully
試驗中加入粒度為w0 . 5的金剛石微粉，通過反復多次的試驗，確定出了鎳-鐵-金剛石復合電刷鍍中的各項工藝參數，包括電壓、鍍筆和工件的相對速度、金剛石微粉的加入量、溫度等等工藝參數；成功的試製成了覆蓋有鎳-鐵-金剛石復合電刷鍍層的鋼球研磨板。 -
The innovations of this thesis can be summarized into three points. firstly, the average relative velocity is introducd into a novel adptive weighted clustering algorithm as one important parameter of weight, then it increases the stability and self - adaptability of cluster head. secondly, a new approach to calculating weight is suggested by integrating subjective and objective factors. it is verified by comparison with other approaches to selecting weight. thus the velocity of weight responding to the changes of network topology is increased. finally, using a som neural network to create a classifying model enables every node to learn to identify by itself the role in manet
本文的創新點有三個:首先本文在wca和aow分簇演算法的基礎上，引入了平均相對移動速度作為權值重要的參數，提出了一種新的基於權值的自適應分簇演算法，提高了簇頭在移動中的穩定性和自適應性;其次，提出了利用主客觀綜合賦權法確定權重的權值計算方法，通過與其他權重選擇方法比較，網路結構變化的權值響應速度得到了改進;最後，論文利用自組織特徵映射神經網路建立分類模型，使得網路中的節點可以自學習地確定簇中角色。 -
Abstract : based on the objectivity of space, time and their measuring, the author gives a ideal experiment of space and time measuring, educe the difference between true time and metrical time ( this difference results from the finity of light speed ), thus proves the relativity between metrical time and true time and the relativity between given reference points, gives the express formulas of relative velocity
提要：從時空及時空度量的客觀性、絕對性出發，通過具體的空間、時間測量理想實驗，導出測量時刻、時間與客觀時刻、時間的差異（這種差異的根源在於光速傳播的有限性） ，從而說明測量時刻、時間對于客觀物理量及不同參照點的相對性，給出了客觀勻速直線運動的相對速度表達式。 -
Mathematic model of collision avoidance judging based on the information of distance, relative velocity and azimuth angle is made in this paper, it can effectively avoid inveracious alert, and it analyzes the processing method of many kinds information in the system
本文根據雷達探測系統得到的目標距離、相對速度和方位角等信息，建立了監控系統防碰撞數學模型，與其他模型相比該模型能夠最大限度地避免錯誤警報的發出，並且分析了各種信息在系統中的處理過程。 -
And if the relative velocity of two inertial frames is constant, the compound pendulum in motion runs slower at a same factor than the resting one
兩慣性系相對速度一定時，運動的復擺鐘都比靜止的鐘慢了一個相同的因子。 -
Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model
本文在國內外已有的研究基礎上，首先建立了以k - （封閉模型為基礎的三維擬單相流模型，該模型的特點在於充分考慮了氣液兩相間相互作用的影響，即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響；並建立了塔板三維雙流體模型，主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果，建立能夠準確描述塔板上流體流動的數學模型。 -
Tooth surface equations and contact line equations of the involute worm gearing are established according to its machining methodology. meshing characteristics in rigidity condition are studied. these characters include the inductive normal curvature along the contact line on the worm surface, the first and the second limit lines during the engage of the worm gear, and the influence of the intersect angle between the contact line the relative velocity of the worm and the gear on transmission performance
根據漸開線圓柱蝸桿傳動的創成方法，建立了漸開線圓柱蝸桿和蝸輪的接觸線方程式、齒面方程式，分析了漸開線圓柱蝸桿傳動的剛性嚙合特性，如蝸桿與蝸輪嚙合時的誘導法曲率、一類界限曲線、二類界限曲線和蝸桿與蝸輪間相對速度方向和接觸線方向的夾角對傳動性能的影響； 2 -
How would the relative velocity be altered if b were ahead of a ?
假如B在A前面，那麼相對速度怎樣改變呢？ -
How would the relative velocity be altered if b were ahead of a
假如b在a前面，那麼相對速度怎樣改變呢？ -
This essay takes the method of listing equations of gears " surface directly and installing them in appropriate coordinate system to establish the mathematic model for analyzing engagement of spiral helical gear. programs use this mathematic model to make numerical computation as well as to output the contact domains diagram and the relative velocity diagram on this foundation
本文採用直接列寫齒面方程、在適當的坐標系中安裝的方法，建立了螺旋齒輪嚙合分析的數學模型，編製程序利用該數學模型進行數值計算，並在此基礎上輸出接觸區圖和相對速度圖。 -
As the relative velocity between the two layers is increased, waves are formed at the interface.
當兩層流體之間的相對流速增加時，分界面成為波浪型。 -
To avoid collision with the static and dynamic obstacles, we move the relative velocity away from the collisions field by adjusting the robot velocity value and direction real - time dynamically in acceleration space based on relative coordinates
此方法是基於相對坐標系，在加速度空間中，通過動態實時地調整機器人自身速度的大小和方向使其離開碰撞區域，即碰撞危險區域，達到與動、靜態障礙物之間的避碰。 -
The simulation results show that the relative velocity has a little influence on the overtaking vehicle but much influence on the overtaken vehicle during the overtaking process
研究結果表明：超車過程中，相對車速對主超車的影響較小，對被超車的影響很大。 -
The extracting method of the relative velocity, the miss distance and the miss time parameters of the target in miss - distance measurement system is investigated
摘要研究了脫靶量測量系統中靶彈的相對運動速度、脫靶量、脫靶時刻等參數的提取方法。 -
The dynamic meshing technique was adopted to realize the 3 - d transient numerical simulation of vehicle overtaking process in order to study the influence of relative velocity and absolute velocity on the aerodynamic characteristics of the overtaking and overtaken vehicles during the overtaking process
摘要為了研究超車過程中相對車速和絕對車速對汽車氣動特性的影響，採用動網格技術實現了超車過程的三維瞬態數值模擬。 -
B ) relative velocity response spectrum ( sv ) and relative displacement response spectrum ( sd ) : the variation of velocity spectrum with depth is similar to that of acceleration spectrum. but the variation of displacement spectrum with depth is a little different to that of acceleration and velocity spectrum. that is, in strong earthquake, the variation of displacement spectrum and normalized spectrum in different depth is very small
（ 2 ）速度反應譜（ s 、 ）和位移反應譜（ sd ）沿深度變化的規律速度反應譜沿深度變化的特點與加速度反應譜基本相似;位移反應譜沿深度變化的特點與加速度和速度反應譜有較小差別，即強震時位移反應譜和標準位移反應譜沿深度的變化很小。 -
For the problem of navigation planning, the selection of the navigation signpost, asteroids and the planning of the photoing sequence are important matter. this dissertation proposes criterions, including visible magnitude, distance, relative velocity, angle of sight lines, on selection of asteroids, based on the trajectory scheme of exploring ivar
對于導航小行星篩選問題，提出了基於小行星可見星等、距離、相對速度、視線夾角的篩選準則，並利用綜合評估的方式進行導航小行星的篩選;對于小行星拍照序列規劃問題，分別採用反復最鄰近法和改進的遺傳演算法進行求解，並對兩種方法進行了比較分析。 -
The absolute velocity was decomposed based on the law of velocity triangle, the absolute tangential velocity, the relative velocity and the relative tangential velocity were presented in this paper
在測得轉輪內部的絕對速度矢量后，按速度三角形原理進行分解，得到了絕對速度切向分量、相對速度及相對速度切向分量。
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