直線運動速度 的英文怎麼說

中文拼音 [zhíxiànyùndòngsùdù]
直線運動速度 英文
point-to-point speed
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 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...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 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
  • 直線 : 1. （不彎曲的線） straight line2. （急劇的） steep; sharp
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. Third, it is this " moment " of the segment of space - time which based on the the philosophy of the nature and describing the mechanical movement that symbolize the transform from the view of integralization in classical atomism of mathematics to the view of integralization of modern real number

    另外，正是基於新的自然哲學的、作為描述機械運動的時空片段的「瞬」標志著古典數學原子論的積分觀向現代的分割實數連續統的積分觀的轉化，而現代數學的微分概念更是直接源於描述機械運動的速度和與運動軌跡密切相關的曲線的切線問題。
  2. For rotary axes can be made less expensive, easier and more compact than a linear guide at the same precision level, a rotary arm that carries a diamond tool combined with a fast tool servo are used to replace the straight lines

    由於旋轉抽與同等精度的直線導軌相比，具有製造難度小、成本低及結構緊湊等優點，所以採用具有快速伺服機構的金剛石刀架擺臂代替直線導軌進給運動方式。
  3. 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。
  4. This machine is used for straight - line bevel cutting and bevel grinding and polishing for flat glass, in certain condition, it can be also used in bevel cuttig, bevel grinding and polishing for soft stone panel. the contrilling system adopts plc, it can accomplish automatic grinding cutting after entering processing parameter, convery speed adopts speed adjustment of fre quency conversion, direct drive of wheel head motor, all motions for joining in parameter adjustment completely adopt straight - rolling guide - track with front beam and wheel head lifting lntegrally. the transmission of input and output adopts synchronization tooth belt and photo - electricity switch positioning, and position limitation of two pass is much more reliable

    Sxm371pa型玻璃直線斜邊磨邊機是用於玻璃直線斜邊斜切，斜磨及光拋的專用設備，在一定條件下也可以用於軟石板材的斜切斜磨及拋光。控制系統採用plc控制。輸入加工參數后可自動完成磨削傳送速度採用變頻調速，磨頭電機直接傳動，所有加工參數調整運動副全部採用直線滾動導軌，前梁與磨頭整體升降，輸入輸出傳送採用同步形帶，光電開光定位，雙行程限位更安全可靠。
  5. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究，內容包括： （ 1 ）採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式（集中電流法、分佈電流法） ，同時介紹了兩種永磁電機氣隙磁場計算方法（磁荷法，直接求解拉氏方程法） ，分析各種方法的優缺點，討論電機參數對氣隙磁密的影響； （ 2 ）介紹了單層同心繞組的布置方式，根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式，分析靜態力?位移特性； （ 3 ）建立空芯動圈式直線永磁同步電動機動態模擬模型，模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。
  6. Report back in the exhibit schedule : march 8, 2006 - 10 days am09 : march 10, 2006 - 12 days remove time : march 12, 2006 exhibitors range : car, car, motorcycle, light truck bearings, railway bearings, magnetic bearing spindle ; aviation aerospace marine bearings, rocket and satellite bearings ; industrial robot bearings, machining center and machine spindle bearings, textile machine bearings, motor bearings, and farm machinery bearings, paper machine bearings, bearings press, bearing mill, metallurgical mining, petrochemical machinery bearings, bearings sporting goods, marine rig bearing ; bearings, bearings gyroscope, high - precision bearings, high - speed bearings, linear motion bearings, needle roller bearings, thrust bearings, ultra - low - temperature bearings, special bearings, ceramic ball bearings, spherical with trophies bearing miniature bearings, quiet motor bearings, ball bearings, roller bearings, lubricating bearings corrosion resistant bearings, bearing joints ; bearing ring blank refinement, precision ball and roller crown, with nails cage

    撤展時間： 2006年03月12日參展范圍：轎車汽車摩托車輕型車軸承鐵路軸承磁懸浮軸承電主軸航空航天航海軸承火箭及人造衛星軸承工業機器人軸承加工中心及機床主軸軸承紡織機軸承電機軸承農機軸承造紙機軸承印刷機軸承軋機軸承冶金礦山石油化工機械軸承體育用品軸承海洋鉆機軸承組合軸承陀螺儀軸承高精軸承高速軸承直線運動軸承滾針軸承推力軸承超低溫軸承特種專用軸承陶瓷球軸承帶座外球面軸承微型軸承靜音電機軸承球軸承滾子軸承潤滑軸承耐腐蝕軸承關節軸承軸承套圈精化毛坯精密鋼球凸度滾子帶釘保持架軸承滾動體等軸承部件。
  7. The synthetic analysis holds that the conveyance speed of solid phased particles of well drilling liquid moving on the level motioned elliptical linear sieve is again higher than that of circular sieve

    綜合分析認為，鉆井液固相顆粒在平動橢圓篩上的運移速度高於直線篩，在直線篩上的運移速度又高於圓型篩。
  8. 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。
  9. The cycloid function is used to generate the horizontal and vertical foot trajectory respectively, and a modified cycloid function is used to make the acceleration curve of the joint more smooth and successive, the trajectory and drive moment of each joint is calculated by simulation

    使用擺線函數分別產生足的水平和垂直方向的運動軌跡，用修正擺線函數使其加速度進一步平滑、連續，對各關節的運動軌跡和關節驅動力矩進行了模擬。
  10. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    在分析雙環控制問題時，針對直線永磁同步電動機，仔細考慮了能使伺服系統性能變壞的各種細微因素，如：永磁同步直線電機動子質量變化、摩擦系數變化等造成的模型參數不確定性，電機運行期間存在磁密分佈變化、時間諧波等產生的推力擾動等，採用了ip速度控制器和h _狀態反饋控制器相結合構成直線伺服的內環控制器，並輔助設計了外環的pi位置控制器。
  11. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益
  12. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態性能，本文首先提出以「目標進入雷達覆蓋區概率」 （簡稱為「覆蓋率」 ）作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓，針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形，採用相對運動的方法，分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算，分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比對性能的影響。
  13. The methodology adopted by most existing cam / cnc systems, which uses huge amount of linear segments to approach the original shape and make linear interposition increases the cost of memory size and communication work of the cnc system tremendously. a new approach based on cubic polynomial and b spline interposition to rebuild the cam generated tool path under real time condition is presented in the paper. applications on cnc machine tools showed that the presented approach improves the machining accuracy and increases the cutting speed significantly

    目前大多數cam / cnc系統採用大量小直線段逼近原始曲線和直線插補的做法，只能獲得零階連續的走刀軌跡，逼近精度低，不能保證高速加工運動的平穩性，因而加工精度、光潔度和加工速度都難以提高；由小直線段構成的nc代碼數據量龐大，也增加了數控系統在內存容量和數據傳輸方面的成本。
  14. Exploiting the long jump technique parameter and treading strength in the planting step - time curve, and analyzing the kinematics and dynamics reasons for the loss of approach velocity, taking - off rapid supporting and stretching in the generating mechanism of vertical velocity during long jump take - off, the essay puts forward a new view of generating vertical velocity and offers a new thought for creating training of long jump

    摘要利用世界優秀運動員的跳遠技術參數和跳遠踏跳階段踏跳力時間曲線，剖析助跑速度損失量、起跳快速支撐和蹬伸在跳遠起跳垂直速度的生成機制中的運動學和動力學原因，對跳遠垂直速度生成提出了新的見解，並為創新跳遠訓練提供了一條新的思路。
  15. One pencil is the simulative milling cutter. parameters setting, milling cutter radius compensation, graphics drawing of the work - piece machined, realizing local control, etc. are the tasks of pc, while line & arc interpolation, motion segment acceleration & deceleration control, position protection at a high precision rate and so on are the duty of dsp motion controller. in the end, the system can draw the cutter center track of the work piece ' s program track accurately

    上位pc機主要完成相關參數設定、刀具半徑補償相關運算及繪制被加工工件的輪廓（程編軌跡） 、實現本地控制等內容；下位機dsp控制器則充分利用美國ti公司的tms320c31浮點dsp的高速度、高精度完成運動控制中的實時直線和圓弧數值插補、運動段加減速控制、運動軸行程限位保護等內容。
  16. According to the idea, five - wheel device converting the straight line movement into the rotation movement which is convenient to measure, a non - contacting velocity measurement sensor device using optical switch and steel tapeline to measure the straight line movement has been designed and produced, which is an exploration in this field

    根據五輪儀「把不易測量的直線運動轉變為容易測量的轉動」的思路，利用光微開關和捲尺鋼帶設計製作了一種非接觸式的直線運動物體速度測量傳感裝置，是一個具有創造性的探索。
  17. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構（車輛段大平臺及其上的小區樓房）及其地基基礎為研究對象，在研究和分析有關資料的基礎上，用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型，並以列車振動加速度時程作為模型輸入，進行了地基?樁基礎?地上結構的整體動力學分析，分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響，得到了如下結論： （ 1 ）隨著與地鐵線路距離的增大，地面的振動強度有減小的趨勢； （ 2 ）地面豎直方向的振動強度較之水平方向的略大； （ 3 ）隨著與振源距離的增大，在水平方向上，地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小； （ 4 ）在豎直方向上，每幢樓各層端點的振動速度、加速度完全相同，表明樓房各層在豎直方向上的運動狀態一致； （ 5 ）各幢樓房豎直方向的振動強度比水平方向的大； （ 6 ）增加軌道彈性是減輕地面和地上建築振動的有效途徑。
  18. Aperture synthesis sonar, as its name implies, synthesizes an aperture by storing successive echoes obtained from a moving platform and by processing the results as if they had been obtained from a multi - element array enables a high azimuth resolution to be obtained from a physically small array

    合成孔徑聲納，顧名思義就是通過小孔徑物理聲陣的勻速直線運動，將沿航跡方向的回波數據相干累加，形成較大的虛擬孔徑，從而提高方位解析度。合成孔徑技術相對于常規聲納技術的突出優勢在於，它只利用小孔徑的物理聲陣，就可以得到與徑向距離和頻率都無關的高方位解析度。
  19. When the suspended point is moving on the line in a kind of way, the pendulum will depart from the balance position. in order to minimize the swing movement of pendulum and minimize the consumption of power, a linear regulator is created for the system. finally, a optimum feed back status of speed is made

    當懸掛點以某種規律沿直線運動時，會出現擺錘偏離原太原理工大學碩士研究生畢業論文平衡位置的情況，為了使擺錘在給定時間內在懸掛點行走一定距離的過程中擺角最小且能耗最少，本文將系統構造成為線性調節器，最終得到了使懸掛點移動速度最優的狀態反饋量
  20. The formula for mach number has been optimized with least - squres solution, thus the precision of a polynomial of power of 5 is better than that of 9. 2. after the solving of angle of attack and angle of sideslip, the theory of general inverse of matrix is used to simplify the nonlinear equations and to calculate the total pressure and the modified dynamic pressure ratio. these two parameters together with the angle of attack and angle of sideslip contain enough information to work out the dynamic pressure and static pressure

    其中包括: 1 .應用最小二乘法，對馬赫數的泰勒求解公式進行優化，優化后的求解公式採用5次多項式即可在精度上優于原有的9次多項式，可以提高運算速度; 2 .提出應用廣義逆矩陣簡化非線性方程組:在已經求解出迎角與側滑角的前提下，直接從原始的壓力向量中提取出總壓，並且提出了動壓修正比的概念。
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