質心運動 的英文怎麼說
中文拼音 [zhíxīnyùndòng]
質心運動
英文
center of ma motion-
Galileo strongly fought against the traditional ideas of the aristotle ' s theories, and he formed the thought of identity, continuance and dialectical materialism in course of his scientific research. he had written the book dialogue concerning the two chief world systems - ptolemaic and copernican to refute the theory that the earth was static, and push the copernicus " revolution forward by protecting and advocating the cosmic principle of copernicus ; he get many scientific theories by making a thorough study of motion, so provided the materials need of which newton was ; he applied the scientific method firstly in history of science which combined mathematical inference with experience and observation organically, and entrusted modern meaning to some old - time methods, so advanced the development of scientific knowledge greatly and began the history of modern physics
伽利略強烈反對亞里士多德式的傳統思維觀念，在長期深入的運動研究中發展了同一性和連續性思想，以及把物質性質劃分為兩類的機械唯物主義思想；他著書立說駁斥「地靜說」 ，捍衛和宣揚「地動日心」的宇宙結構，推動了「哥白尼革命」 ；他深入研究運動，獲得大量科學理論，為牛頓綜合提供了豐富的材料；他在科學史上首次使用數學演繹與觀察實驗有機結合的科學方法，並賦予一些古老研究方法以現代含義，大大推進了科學認識的發展，開創了現代物理學歷史。Its own elliptic motion around it will be almost imperceptible.
它繞著質心的橢園運動就幾乎看不出來。The view on children in chinese was still stale then, though a few new factors appeared with it when the foreign forces invaded into chinathe view on children in the west possessed some new connotation after the discovery of children, the psychology movement in education and the establishment of kidology
中國近代的兒童觀跟古代一樣，依然是陳腐的，但是在西方異質勢力入侵的形勢下，中國近代的兒童觀也產生了一些新的因子。 19世紀西方教育史上兒童的發現、教育心理學化運動、兒童心理學的建立使得西方的兒童觀具有了新的內涵。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。By means of the analysis on motion equation of simple pendulum, a method for testing the moment of inertia of a complex shaped rigid - body moving around a fixed axle under the condition of not knowing the barycentric position of the object was obtained
摘要通過對單擺運動方程的分析，得到了未知物體質心位置條件下測試復雜形狀剛體繞定軸轉動慣量的方法。I ' m a long hair, beautiful woman, i, m work in a managerial job. i like sport. i don ' t like the life is tanglesome. i hope happy every day
本人， 166 / 53 ，長發，是位漂亮氣質優女.做管理工作，大專畢業，喜歡運動，不喜歡復雜的生活，每天開心就好Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。Normally the heart movements can be felt as distinct systolic and diastolic thumps.
正常時，能夠感覺到心臟的運動是性質截然不同的收縮和舒張的撞擊。Even relatively short stays in space can produce profound changes in the body, consistent with what nasa euphemistically terms “ space adaptation syndrome ” : a loss of red blood cells, a reduced ability to exercise, a diminution of bone density, weight loss, cardiac arrhythmia, even a lengthening of the body
即便在太空逗留相對較短的時間也會給身體造成巨大的影響，這被美國國家航空和宇宙航行局婉轉地稱為「太空適應綜合癥」 ，表現為紅血球數量減少，運動能力下降，骨質疏鬆，體重下降，心律不齊，甚至身體拉長。Echocardiogram and stress tests are used only to evaluate exertional symptoms ( echo first in this case ) or suspected organic heart disease
心臟超聲和運動負荷試驗僅用於檢查勞力性癥狀（首選超聲）或可疑性器質性心臟病。Although athletes usually develop their strength through muscle training and large intakes of animal protein, this in fact only serves to nurture an explosive energy that is reminiscent of the beasts. those with a harmonious body, mind and spirit only require vegetarian protein, vitamins and minerals containing energy that are peaceful in nature
一般運動員長養力氣的方法，是攝食大量動物性蛋白並增進身體肌肉的訓練，如此只能達到如猛獸般的爆發力而身心靈統和得很好的人，則僅攝取動能平和的植物性蛋白及礦物質。In feature extractor, the paper combines centriod of the moving objects to tracking window to distinguish pedestrian and moving vehicle. similar functions are applied for matching feature
在特徵提取方面，採用了質心和窗口相結合的方法，兼顧了目標的位置和形狀；而且還初步的去除了行人對運動目標跟蹤的干擾。Finally, the rule of geocenter motion is studied. and its effects on the height datum are also discussed in the dissertation
論文最後研究了地球質心的運動變化規律及其對高程基準的影響的有關問題。In the condition of non - axisymmetrical stage separation in hypersonic flight, the problems of dynamics and kinematics of the validating vechicle and the launch vechicle are primarily analysised. it includes the movement of the center of mass and the rigid body of the vechicles, the relative movement of the different vechicles, the relative movement of the special parts of the different vechicles, the load analysis and the probable collision in the process of stage separation
研究了在高超聲速狀態下非對稱級間分離過程中，驗證飛行器與運載火箭分離時的相關運動學和動力學問題。包括:飛行體質心運動和剛體運動;不同飛行體之間的相對運動;不同飛行體上特殊部位之間的相對運動;分離過程中各相關飛行體上的載荷分析和分離過程中可能發生的碰撞問題。Second, the author introduced a new stability region, and programmed a trajectory of variable zmp, which was defined as a cosine curve ; the author also designed a cog - compensated method to keep the cog ’ s height ; based on dynamics of 3 - d inverted pendulum, the author educed the cog ’ s trajectory equation of the robot in the three - leg - support phase, and used third - order splint function to ensure the acceleration continuity of the robot ’ s cog in the four - leg - support phase. at last, walking patterns of the corresponding gait are generated through programmer design
然後，提出了一種新的支撐區域選取方法，採用了按餘弦規律變化的zmp運動軌跡;為了維持機器人行走時重心高度不變，採用了一套有效的質心高度保持方法;基於三維倒立擺模型，推導了機器人三腳支撐期質心運動軌跡方程;採用三次樣條曲線插值規劃了四足支撐期加速度連續的質心運動軌跡。Based on variable zmp and dynamics of 3 - d inverted pendulum, we educed the cog ( center of gravity ) ’ s trajectory equation of the robot in the single - support phase and transition of locomotion phase. and we used third - order spline function to ensure the acceleration continuity of the robot ’ s cog in the double - support phase. thereby, the smooth trajectory of cog was gained by planning
由基於可變zmp和三維倒立擺的動力學原理，推導出了單腳支撐期內和步行方式轉換期間機器人的質心運動軌跡方程;並採用三次樣條曲線來保證機器人在雙腳支撐期質心加速度的連續性，從而由規劃得到了光滑的質心運動軌跡。To further the study of the take - off technical theory in the backstyle high - jump, we make a research into the cuved tosbury take - off cour se of backstyle high - jump. it was pointed out that the backtyle high - jump cucve d run take - off created efficient condition for the earlier change and accumla tion of gravity center and vertical speed of fosbury flop the moving direction t he bady
為進一步研究背越式跳高起跳理論，對背越式跳高弧線助跑起跳過程進行分析，揭示背越式跳高的優越性在於充分發揮和利用助跑速度提高起跳效果，其實質是弧線助跑起跳為背越式跳高身體重心運動方向的提早轉變和垂直速度的累積創造了有利條件。This paper is developed a algorithm to generate airplane ' s 4d approach trajectory, by using fourth order runge - kutta, based on a set of point mass equations of motion, pilot procedure and air traffic control procedure
本論文是基於飛機質心運動方程組，結合飛行操作程序和空管管製程序，根據飛機的空氣動力學模型、推力模型和實時的大氣氣象模型，用四階龍格? ?庫塔積分法規劃出飛機下降進近4d軌跡。Physique conditions of freshmen in 2002 grade, 2003 grade, 2004 grade when they entered colleges were tested and the results showed that figures of college freshmen in wuhan area were good ; function of heart and lung were decreasing significantly ; physical quality and sport ability were not balanced and stable
摘要對武漢地區高校2002級、 2003級、 2004級大學新生進校時的體質狀況進行了測試，結果表明武漢地區高校大學新生身體形態方面較理想，體形為「勻稱」型；心肺功能水平呈下降趨勢，且降幅較大，狀況令人堪憂；身體素質與運動能力表現為不均衡性、不穩定性的特點，呈參差不齊和波浪起伏狀態。At last, we propose a method to generate two mode su ( 1, 1 ) intelligent states for the center of mass and relative motional modes for two trapped ions. in our scheme, only three laser beams are employed, and their directions are all the same as the direction of the two trapped ions " alignment. under some initial conditions, our desired states are obtained as the steady - state solution to the master equation of the system
最後我們在此模型之上提出了一種新的運用離子對的質心振動模和相對振動模進行雙模su （ 1 ， 1 ）智能態的制備方案，它是系統在適當的初始條件下達到穩態時自動生成的態，它不必通過控制繁雜的相互作用參數而得到，因此該方案具有很大的實際應用價值。分享友人