zero velocity 中文意思是什麼

zero velocity 解釋
零速
  • zero : n (pl zeros zeroes)1 【數學】零;零號。2 零位;零點,起點;(溫度表的)零度,冰點;座標原點;無...
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  2. Adopt zero velocity full auto paper receiving mode, end to end butt paper receiving, auto double side stickup connection adhesive tape so as to avoid spoilage of die cutter and dinkey dint of overlapping paper registration

    採用零速全自動接紙方式,頭對頭對接接紙,自動雙面粘貼連接膠帶,可避免搭接接紙對印版的壓傷及對模切刀具的損壞問題。
  3. The velocity at the stagnation points is zero.

    在停滯點處,流速為零。
  4. If the average slip velocity is zero, there is no holdup of one phase relative to the other.

    如果平均滑移速度為0,也就沒有一相對另一相的滯留。
  5. The outermost layer of fluid clings to the walls of the tube, and its velocity is zero.

    最外層流體附著管壁,速度為零。
  6. When the two objects are at zero velocity, the total energy of the system is zero, because while the rocket ship made of positive matter has gained positive kinetic energy, the ball of negative matter has gained an equal amount of negative kinetic energy

    當兩個物體的速率都為零,整個系統的能量也為零,因為當正質量構成的火箭飛船獲得正動能時,由負質量構成的球體也獲得了等量的負動能。
  7. Detailed contrastive simulation tests of four - phase and self - optimalizing abs control have been made and applying effects of self - optimalizing control are discussed, which establish stable principle foundation for self - optimalizing control applying to realistic abs controller. from the simulation results we can find that : automobiles which install self - optimalizing abs apparatus lock on the any road surface only when the vehicle body velocity and wheel velocity arrive at zero approximately, which is better for improving driving stability under braking. it shows anti - lock ability of self - optimalizing ; slip ratio approximates and surround the desired slip, which shows that this abs system uses fully road surface performance and retains large adhesion and braking performance is good ; braking force regulates with varies of road condition, which realizes road self - identification

    通過模擬試驗可以看出:在各種路面上,汽車在安裝了自尋優防抱制動裝置后,在車速、輪速接近為0時才抱死,這對提高汽車制動時的操縱穩定性特別有利,顯示了自尋優避免車輪抱死的能力:滑移率的值基本上一直接近並且圍繞著與路面附著系數相對應的滑移率上下變化,說明了該系統充分利用了路面性能,基本上保持了較大的附著力制動,制動性能較好;制動力隨著路面條件的變化而相應做出調整,實現了路面自動識別的功能。
  8. The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation

    研究表明,對于城市活斷層的抗干擾高解析度淺層地震勘探,在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器,以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法;在數據處理與解釋環節,要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。
  9. Piezoelectric elements were bonded on the plate as actuators and the input voltage of each actuator was determined by the velocity of its position and volume velocity of the plate was made zero, through which the sound radiation from the plate could be controlled

    在簡支薄板表面粘貼壓電片作為致動器,根據所處位置的速度確定輸入控制電壓,並使平板的體積速度為零,從而達到控制聲輻射的目的。
  10. The findings show that there exists overlap between macroscale convergence and warm advection if the degree of clock - wise turn dosen " t keep constant on both sides of zero doppler velocity contour about the near range of the observational site. the overlap produces vertical vapor transport and upward convergence movement favorable for formation and continuation of rain gush

    結果表明:零速度帶在測站近距離兩側的彎曲程度不一致是暖平流與大尺度輻合運動的迭加所造成,這一結構為暴雨產生和維持提供了有利的水汽垂直輸送和輻合上升運動。
  11. The calculated results indicate that maneuvering efficiency of the bow lateral thruster is related to velocity and thruster ' s rotate speed directly, it is the best at zero velocity, and maneuvering efficiency of the bow lateral thruster increase with increasing thruster ' s rotate speed ; the calculated results also indicate that crabbing motion can be operated for large vessels under the main thruster, the bow lateral thruster and the rudder ' s united control

    計算結果表明側推器操縱效能與航速及槳轉速直接有關,零航速最好,且隨槳轉速增高而增強;結果同時也表明了藉助于主推進器、首側推器和舵的聯合操縱可實施純橫移運動。
  12. Against two kinds of nonlinear friction observers, the analytic expression of zero ve - locity interval t based on the nonlinear model of brushless dc motor system is deduced in this paper. simulation results indicate that the system performance at low velocity can be im - proved effectively using the friction observer based on coulomb friction model

    針對兩種不同的非線性摩擦觀測器,推導了基於無刷直流電動機非線性模型的零速度時間間隔腡解析表達式,通過模擬證實,利用基於庫侖摩擦模型的摩擦觀測器可以有效地改善系統的低速控制性能。
  13. It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed

    結果表明:在一定的床層結構和操作條件下,超細粉可以在導向管噴動床中實現平穩流化,從而為改善超細粉的流化質量提供了一種有效的新方法;固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比;氣體則基本上不存在「旁路」現象;環隙區中的顆粒流動表現為一移動床特徵。
  14. We derive an analytic expression of the group velocity dispersion ( gvd ) induced chirp and the self - phase modulation ( spm ) induced chirp in the normal dispersionregion of non - kerr - like optical fibers with saturable nonlinarity. the evolution of chirp is simulated by numerical methods. the studied results show that the more powerful saturable effects, the smaller is chirp and the gently is chirp. the net chirp is zero in the central region of the pulse

    從理論上推導出具有飽和非線性的非克爾光纖正常色散區內,群速度色散效應導致的啁啾和自相位調制效應導致的啁啾解析表達式.利用數值解法模擬了非克爾光纖正常色散區啁啾演變過程.研究結果表明:當非克爾光纖的飽和非線性增強時,凈啁啾不斷減小,而且,越來越平緩,脈沖中心附近區域凈啁啾接近零
  15. Zero velocity curve

    零速度線
  16. Zero velocity surface

    零速度面
  17. This paper studied zero - velocity correct technology for ins, based on analysis of ins error equation, it concluded the method by which we can use ins velocity output to estimate the attitude angle error when the vehicle halted, then it contrasted two schemes of conic approximation of attitude angle error and put forward a method to decide the approximation coefficient by time range

    本文首先研究了車載捷聯慣導系統( ins )的零速修正技術,在分析捷聯慣導系統誤差方程特點的基礎上,推導了停車時利用ins速度輸出估計姿態誤差角的方法,並對用二次曲線擬合姿態誤差角的兩種方案作了比較,提出了按時間分段確定擬合系數的方法。
  18. When the intensity of the laser field is weak, the velocity dependence of the average longitudinal force has the doppler shifted lorenztian resonance. at high intensities, there is a kink and change direction of the light pressure force near the point of zero velocity, the effects of the higher order harmonic light pressure forces become significant

    當激光場強度比較弱時,作用在原子上的力為洛侖茲型,隨著激光強度的增加,依賴于速度的零階力在零速度附近方向發生了反轉,出現了扭結現象。
  19. Many vendors use the convention of a noteon with a zero velocity to represent a noteoff

    許多廠商習慣使用零速率的noteon來表示noteoff )
  20. Thus, the pressure field is coupled up with the velocity field while keeping zero velocity divergence

    擬壓縮項的引入使不可壓方程在滿足速度散度為零的同時耦合了速度和壓強的變化。
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