軌跡的流速 的英文怎麼說

中文拼音 [guǐdeliú]
軌跡的流速 英文
local velocity
  • : Ⅰ名詞1. (路軌;軌道) rail; track 2. (比喻辦法、規矩、秩序等) rut; path; course Ⅱ動詞[書面語] (遵循; 依循) follow
  • : 名詞1 (留下的印子; 痕跡) mark; trace 2 (前人遺留的建築或器物等) remains; ruins; vestige 3 (...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • 軌跡 : 1 [數學] (某點在空間移動的路線) locus; trajectory; trail; travel; path; way; [電子學] trace; li...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. A meteoric rise to fame streak, a streak of lightning,

    所以, meteoric streak就是「星般疾劃過」 ,又
  2. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型主要特點是: ( 1 )它採用了三尺度復合表面模型思想來計算海面電磁散射,考慮了中等尺度波對紋波進一步調製作用,彌補了傳統雙尺度模型不足; ( 1 )它考慮了海浪傾斜調製作用、體動力調製作用和場對雷達截面調製作用,實現了用統一模擬模型對四種艦船尾特徵進行成像模擬; ( 3 )它把海面長波度作為基本動態成分,並依此來考慮海面運動對sar回波信號影響。
  3. This paper takes a high quality servo motion controller as the core component. it discusses the track interpolation control principle, its algorithm and develops various sub - programs by dynamic link libraries. first, it designs a nonlinear pid controller based on those sub - programs to solve the contradiction between stabilization and quickness in order to improve the controlling effects

    本論文以高性能伺服運動控制器為核心元件,在論述控制插補原理及其演算法實現程並使用動態連接庫編制出各種插補功能子程序基礎上,首先設計了一種非線性pid控制器,以克服穩定性和快性之間矛盾,達到改善控制效果,並通過模擬實驗對其響應效果加以驗證。
  4. Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system

    基於體動力學,通過對葉片道內體模型應用動量定理,得到此汽激振力模型,並採用四階龍格庫塔法,得出了單盤彈性轉子系統周期響應規律,然後根據系統及poincare映射圖,分析了系統在特定轉及特定轉子系統參數下運動特徵。
  5. It is a reliable instrument for the measurement of the coherent structure in turbulence. an improved 2 - d ptv was developed based on previous research experiences, which can be used to measure the trajectories of particles motion. for the experimental study on the particle motion in the dilute solid - liquid two - phase flow, especially for the motion characteristics and dynamic characteristics of coarse particles in water, this kind of system was proved to have great advantages

    利用該系統可獲取大量統計樣本並進行計算機快分析,為明槽紊相干結構試驗研究提供了一種嶄新測量手段;在前人工作基礎上,開發了一種能夠測量水中顆粒運動ptv系統,該系統具有可靠精度,能同步測量全剖面顆粒瞬時運動信息,為顆粒運動特性及動力學特性試驗研究提供了強有力手段。
  6. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    衛星天線伺服控制系統以正弦波永磁同步電機作為驅動電機,採用多邊形磁鏈法(電壓空間矢量法)控制策略;動量平衡電機採用永磁無刷直電機,通過電環、度環達到快、精確跟蹤驅動電機,確保了衛星姿態恆定;設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機協調控制,並通過c語言和匯編語言混合編程實現了電機多邊形磁鏈控制演算法。
  7. The third kind of channels is the asset prices channels, in particular the equity ( stock and bond ) price channels, which include the investment - related tobin ' s q channel and the consumption - related wealth channel. the fourth kind of channels is the exchange rate channel. each channel is related to an implicit financial structure and the financial structure impacts on the scope and relative strength of the concerned kind of monetary transmission channels

    第3章根據資金量帳戶,從金融工具發展度和順序、金融總體相關比率和相對比率、金融機構和金融市場結構和滲透程度、非金融部門(居民、企業和政府)金融資產負債結構共四大方面,系統地考察了中國金融結構變遷,以及以美國為參照系演變前景。
  8. In this thesis, the 2 dimensional ( 2d ) and 3 dimensional ( 3d ) models of the sls of 316 stainless steel powder were constructed. apdl ( ansys parameter design language ) was used to control the density of thermal flow, velocity and path of scanning

    本文建立了316不銹鋼粉末激光燒結二維、三維模型;運用apdl語言控制熱源密度、移動度以及掃描;研究了單層多道和單道多層燒結溫度場和應力場。
  9. Wave off into shallow waters, seabed by the friction effect change steep wave front, trough ice, water points trajectory showed reciprocating flow, but also to the shore into the flow speed usually return rate greater than offshore, the net result of sediment at the bottom to the shore handling, and was the shock waves on the shore with the water current - riviera online accumulation

    外海波浪傳入近岸淺水區,受到海底摩擦作用,波鋒變陡、波谷變緩,水質點運動呈現往復動,而且向岸進度通常大於離岸迴度,導致底部泥沙凈向岸搬運,並被激岸浪上沖水帶至海濱線上堆積。
  10. Combining the methods of in - phase variable - frequency adjusting speed with brushless dc control, this system uses repmsm ( rare earth permanent magnet synchronous motor ) as executing motor. this system makes full use of characteristic of high static precision and dynamic fast response

    以正弦波永磁同步電動機為執行電機,採用他控式磁通法變頻調和無刷直方式調方法相結合控制策略,充分發揮了同步電機穩態高精度和直電機動態快特點。
  11. 2. using a new method, virtual boundary element method ( vbem ) to electromagnetic calculating. this method, same as boundary element method ( bem ), need not analysis all the field area, and need not specially deal with no closed in boundaries. future more, vbem has advantage in calculating speed, and can avoid singularity integrating being predestined in bem

    2 .使用了一種新方法,虛邊界元方法用於強電子槍電子模擬,這種方法與邊界元法一樣不須要對所有場域進行計算,對于不封閉場域不須要做特殊處理,從而避免了有限元法和有限差分法方法缺陷,它具有計算度快優勢,且不存在邊界元法所不可避免奇異積分。
  12. Using 304l wire as the cladding material, the experimental results proved that the relationship among welding bead width, welding current and speed could be expressed with a plane in an x - y - z coordinate

    對採用304l不銹鋼作為單一熔覆材料成形試驗研究表明:電、成形度與成形寬度關系可以採用平面幾何關系表示。
  13. Nasa - 37 transonic and nwpu - 1 subsonic rotors are calculated by using this program. results of calculation indicates that this program can admirably simulate rotor rows flow in axial compressors and distinguish passage shock, leakage vortex path and separation of boundary layer

    用該程序分別計算了nasa - 37跨音轉子和nwpu - 1亞音轉子,計算結果表明本文建立孤立轉子程序能夠較好模擬軸壓氣機葉片排內動情況,能夠有效捕捉通道激波和間隙泄漏渦以及葉片附面層分離。
  14. For single loop system, the position and speed controllers are realized by neural network, the output of network is determined by the electric current related with the desired acceleration, and the acceleration tracking control is realized indirectly, which improves the trajectory tracking performance of the mobile platform

    對單桿系統,位置和度控制器由神經元網路實現,網路輸出為產生理想加度所需,實現了加跟蹤控制,提高了動平臺跟蹤性能。
  15. Based on adaptive control theory, respectively study the system consisting of non - redundant robots and the system made up of redduant robots, proposing classes of adaptive control strategies for trajectory tracking and internal force tracking of robot manipulators with uncertainties. though the controller for the system consisting of nonredduant robots dot not satisfy the condition persistent - exciting, it guarantees the system be stable ; for the system consisting of redduant robots, firstly we derive a new dynamic equation based on the manifold embedding theory in geometry, then design a controller without solving the represser of the system

    對于非冗餘具有參數不確定性多個機器人系統,給出了一種自適應控制器設計法,此控制器保證即使系統不滿足pe條件,系統內力仍漸進穩定;對于冗餘機器人系統,利用微分幾何中形嵌入理論推導出一種新機器人動力學方程,利用此方程設計出一種無須求系統回歸矩陣控制器,從而提高了系統運算度。
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