相對論性速度 的英文怎麼說
中文拼音 [xiāngduìlúnxìngsùdù]
相對論性速度
英文
relativistic velocity- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 相對論 : [物理學] the theory of relativity; relativity; relativity theory
- 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits
論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used
通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。In practice this velocity is sufficiently nonrelativistic for the operation of a conventional cyclotron.
實際上,這個速度就普遍的旋加速器的運轉來說,完全可以看成是非相對論性的。According to the different sample set, we have been on discussion, using lagrangian multiplier technique or lmt in the optimal theory, slt and function analysis , then we get the decision function and svm with the corresponding different sample set. thirdly, for improving generalization ability, application ability and recognition speed of svm, we have used fuzzy set theory ( fst ) and rough set theory to study svm deep, and integrated them into svm, constructed fssvm ( fuzzy set svm ) and svm based on rough set theory, and extended performances of svm in the chapter 4, 5
再次,為了進一步提高支持向量機的通用性以及推廣能力、應用能力、識別速度等性能,在第四、第五兩章運用模糊集理論( fst )和粗糙集理論( rst )對支持向量機進行研究,採用優勢互補原則,先是把模糊集與支持向量機有機結合,構造出基於模糊集的支持向量機( fssvm ) ,然後把粗糙集理論與支持向量機相互結合,進而把rst與fssvm相互結合,構造出基於rst的支持向量機。The author mainly anticipates the task including the simulation of eye fundus imaging and image mosaic. on the base of the dr principle and ophthalmic phototropism study, the author analyze and contrast new fundus camera system with traditional fundus camera. the author will establish the eyeball model with 3ds max technology, imitate the simple eyeball dioptre system and simulate the narrow - angle imaging to ensure the rationality and authenticity of fundus image, which solves the object origin of later image process, then fast mosaics the nine piece of fundus images with the help of the image registration theory and acquire a piece of wide - view fundus image containing more information, thereby provides doctor with enough diagnostic detail, which solves the problem of narrow view
作者在熟悉糖尿病性視網膜病變原理和眼科屈光學的基礎上,進一步研究分析了新型免散瞳眼底照相系統和傳統眼底照相機原理和區別,擬採用3dsmax建立三維眼球模型,模擬眼球屈光系統,模擬眼底照相系統的小角度拍攝,使獲取的眼底圖像合理真實,解決後期系統圖像分析處理的對象來源問題;然後運用醫學圖像配準理論對模擬獲取到的九幅小角度眼底圖像進行快速拼接,拼成一幅大角度的眼底圖像,解決小瞳孔拍攝圖像視角太小的問題;最後通過對眼底圖像配準演算法在相似性測度和搜索演算法的比較,找到一種適合眼底照相系統的眼底圖像拼接的快速演算法。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Started from the principle and performances of high speed rotating - mirror streak camera, some essential issues, such as the reason of the scanning speed vibration, the disadvantages of the former velocity sensor, are discussed. and then, a brand new speed - measuring method is proposed
論文從高速轉鏡式條紋相機的原理、性能出發,討論了相機掃描速度不均勻性的原因;基於過去速度傳感器速度低、精度差、可控性和人機對話界面缺乏的弊病,提出了一種全新的測速方案。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。The experimental results further demonstrate that the combination of incompatibility polydimethylsiloxane and polyacrylate by co - vulcanization improves the both compatibility and broadens the low temperature and high temperature functional region. while in sin, to improve microphase structures and damping properties, the design to increase compatibility between two compositions and modulate crosslinking density as well as relative reaction rate of two compositions, is also effective
以上實驗結果表明,在復合橡膠阻尼材料中將聚硅氧烷與聚丙烯酸酯通過共混硫化相結合,改進了二者的相容性,拓寬了其阻尼功能區的低溫和高溫溫域;而在sin中通過改善組四川大學博士學位論文分間相容性,調節交聯密度控制其微相結構和兩種組分相對反應速度的快慢,進而控制材料阻尼性能的設計是行之有效的。Based on the two postulates that the speed of light is constant and the laws of physics apply equally to all inertial reference frames, the theory predicts strange effects such as time dilation, length contraction and simultaneity of events varies according to viewers
基於兩個論點,即光速不變及物理定律可應用於任何慣性系統,狹義相對論預測了時間變慢長度收縮及同時事件是因觀察者而異等奇怪現象。Inertial frame in special relativity, spacetime, lorentz transformation, lorentz contraction, time dilation, velocity transformation, relativistic optics, relativistic particle mechanics, relativistic and electromagnetism
特殊相對論之慣性座標、時空、勞倫茲變換、勞倫茲收縮、時間延伸速度變換、相對論光學、相對論質點力學、相對論電磁學。But if engineers can figure out how to integrate millions of relativistic gates on a small silicon chip ? and awschalom is working with research groups at intel and hewlett - packard to do just that ? the result could be processors that run much faster than current models do, while consuming far less power and radiating far less heat
不過假如工程師有辦法把幾百萬個相對論性邏輯閘整合在一小塊矽晶片上,其成果可能就是執行速度比當今機種快很多,而功率消耗與熱輻射卻少得多的微處理器;奧沙隆目前正在和英特爾與惠普的研究群合作研發這種晶片。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著,建立了和研究了二維二速的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對突發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生,給出了車輛演化的演化方程,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往方法的研究結果相類似的速度-密度圖線,且車輛從運動相到堵塞相轉變的上下臨界密度是一致的,同時分別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的分佈情況,進一步驗證了此法的可行性。Examples of the absoluteness include the principle of invariance for velocity of light, the principle of special relativity, the principle of general relativity, eigenlength, eigentime, minkowski four dimensional space - time
在教學中常常強調其中的」相對」 ,而忽視了相對論中還有「絕對」的一面,如光速不變原理、狹義相對性原理、廣義相對性原理、本徵長度、本徵時間、閔可夫斯基四維時空等都具有絕對性。2. we made a correction of the particles " velocities due to the coulomb collision among electrons and ions ( including electrons to electrons, ions to ions and electrons to ions ) with two - body collision model [ 76, 77 ] in our code
本文運用兩體碰撞模型,對電子和電子、電子和離子、離子和離子之間兩體庫侖碰撞對速度的改變作了相對論性修正。Based on the characteristics of the membrane structures, wind - induced nonlinear coupling dynamic response analysis which can be applied to closed membrane structures is developed and the added air mass the pneumatic stiffness and the acoustical damping of the closed membrane structures are deduced. applying the method to an aeroelastic model of wind tunnel test, the displacement the velocity and the acceleration of corresponding prototype structure in time domain are obtained
本文針對封閉式薄膜結構和敞開式薄膜結構推導了全新的非線性流固耦合風振響應公式,其中耦合因素包括附加空氣質量、氣承剛度和聲致阻尼以及相對運動速度,並將此理論應用於一氣彈模型的計算,獲得了位移、速度、加速度時程以及加速度均方根。Based on the lorentz transformation on especial condition, making use of coordinate transformation and matrix theory, the matrix expression and vector expression of lorentz transformation about two inertial frames that relative speeds orientation is random and isnt follow axes of ordinate are educed. 2figs., 3refs
從特殊情況下的洛侖茲變換出發,利用坐標變換和矩陣理論,導出了兩個慣性系的相對運動速度取向任意,且不沿任一坐標軸洛侖茲變換的矢量表達式和矩陣表達式.圖2 ,參5In practice this velocity is sufficiently nonrelativistic for the operation of a conventional cyclotron
實際上,這個速度就普遍的?旋加速器的運轉來說,完全可以看成是非相對論性的。We developed a 2d3v ( two dimensional in space and three dimensional in velocity ) particle - in - cell code apic2d. in this code, we improved some algorithms of particle simulation as following : 1. an advanced borris rotation method is proposed to solve the relativistic lorentz equation
為了研究激光等離子體相互作用中復雜的非線性過程,本文研製了2d3v (空間二維,速度三維)直角坐標相對論全電磁粒子模擬程序apic2d ( advancedparticle - in - cell2d ) 。These effects have been confirmed in highly sensitive experiments, and relativity is now a basic, everyday tool of experimental physics : particle colliders take advantage of the increase in mass and lifetime of fast particles ; experiments with radioactive isotopes depend on the conversion of mass into energy
這些效應已經由高靈敏度的實驗證實,而且相對論現在已成為實驗物理學基本的日常工具:粒子對撞機利用增加快速粒子的質量與生命期來進行實驗;放射性同位素的實驗則依靠質量轉變成能量。分享友人