phase acceleration 中文意思是什麼

phase acceleration 解釋
相位加速度
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • acceleration : n. 1. 加速;促進。2. 【物理學】加速度;變速。3. 【教育】加速升級。
  1. 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。
  2. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  3. The feedbacks of position, velocity, acceleration and dynamic pressure were applied to adjust the model, so the control system of single jar electrodraulic servo mechanism was built. to reduce the system error and interference error, the compound control was designed. the results of simulations showed that the magnitude attenuation and phase lag of the system come to the project demand

    引入包括位置反饋、速度反饋、加速度反饋和動壓反饋在內的反饋控制技術對電液伺服驅動機構模型進行綜合校正,從而建立單缸電液伺服控制系統,並在分析系統誤差和擾動誤差后,加入復合控制減小系統誤差和抑制干擾,模擬結果表明復合控制系統的控製品質有了明顯改善,能夠滿足工程需求。
  4. The main working procedure of the fiber - optic sensor is : the sensing element detects the acceleration signal, this signal modulates the phase of the wave, and the phase change is corresponding to the acceleration signal

    該光纖加速度計的工作過程為:敏感元件感受外界的加速度信號,並把它轉化成馬赫-增德爾干涉儀測量臂的拉伸或壓縮,從而引起測量臂中的光波相位變化,相位變化量即代表被測加速度值。
  5. Analysis of ambiguity - function of lfmcw radar, including symmetrical triangular lfmcw signal and multiple periods ’ symmetrical triangular lfmcw signal. 3. this dissertation advances new theories of lfmcw radar signal detection and estimation, including method for acceleration and velocity estimation based on polynomial phase transform ; method for multi - target acceleration and velocity estimation based on modification polynomial phase transform

    包括基於多項相位變換的lfmcw雷達速度和加速度估計方法;基於修正多項相位變換的多目標lfmcw雷達速度和加速度估計方法;基於一般高斯噪聲環境下的lfmcw雷達速度和加速度聯合估計方法;另外提出了基於頻域增采樣內插方法以提高lfmcw雷達測距精度。
  6. The responce of displacement and acceleration of saturated soil is almost the same as that of one - phase soil, less than that of unsaturated soil

    飽和土的位移和加速度反應與單相土的位移和加速度反應相近,欠飽和土的位移和加速度反應大於單相土的位移和加速度反應。
  7. 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。
  8. 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。
  9. We found that different level coriolis acceleration stimulation had no significant influence on the duration of the illusion but had some influence on the pattern of the illusion, the intensity of ci increased with the levels of coriolis acceleration stimulation, and no significant difference was observed on nystagmus beats, peak slow phase velocity, mean slow phase velocity, time constant of slow phase velocity decay, duration of eng among different coriolis acceleration stimulation, but the direction of eng is consistent with the pattern of ci

    結果發現:不同強度的科里奧利加速度刺激對錯覺形態具有一定影響,錯覺持續時間、錯覺強度隨科里奧利加速度的增加而增加,不同科里奧利加速度刺激下的眼震電圖,其眼震方向與錯覺形態是一致的,但無論是水平性眼震還是垂直性眼震,眼震次數、最大慢相速度、平均慢相速度。慢相速度衰減時間常數、持續時間等參數均無顯著性差別。
  10. This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization

    摘要研究了確定設計地震動參數中涉及的若干問題,其中包括基巖水平加速度反應譜衰減關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。
  11. Positive acceleration phase

    正性加速期
  12. The influence of coriolis acceleration level on human oculomoor and perceptual responses to investigate the influence of different coriolis acceleration levels ( 0. 329 cm / s2 > 0. 493 cm / s2 ^ 0. 658 cm / s2 ) on human subjective sensation and nystagmus. basic parameters including the pattern, the duration and the intensity of ci as well as mean slow phase velocity ( mspv ), beat, time constant of slow phase velocity decay and duration of horizontal and vertical eng, were recorded

    493cm s 『 ( n 』 20cm s2 ) 、 0石58cm婦』 ( 『 15cln s刁三種不同強度的科里奧利加速度引起的科里奧利錯覺形態、強度、錯覺持續時間及伴隨的水平、垂直性眼震的眼震次數、最大慢相速度、平均慢相速度、慢相速度衰減時間常數、持續時間等參數的變化進行了觀察。
  13. Negative acceleration phase

    負性加速期
  14. Then the complete simulink simulation model of soft cut - in system is established. what is more, an effective control strategy of soft cut - in unit that the cut - in rotate speed of wtg and scr phase - shifting rule should be adjusted in accordance with the rotate acceleration of rotor is put forward. on the basis that the simulation model is validated, the simulation and analysis of direct cut - in and soft cut - in process of wtg are carried out, which aims at supplying necessary referential material for the r & d of soft cut - in unit

    本文以軟並網裝置主電路的分析與設計?軟並網控制系統的建模與模擬分析?可控硅移相觸發軟並網控制電路的設計為主線,首先進行了軟並網裝置主電路部分的分析與設計;然後建立了雙繞組風電機組的完整模擬模型,在對模型進行驗證的基礎上,提出了有效的風電機組軟並網控制策略,即機組並網轉速與可控硅移相規律應隨電機轉子加速度進行調節,並進行了風電機組直接並網與軟並網過程的模擬分析,得出了相應的結論,為軟並網裝置的研製提供了必要的參考依據;最後設計了軟並網系統的可控硅移相觸發控制電路的硬體與軟體的實現方案,並提出了系統硬體與軟體的抗干擾措施,重點闡述了主要軟體模塊的實現方案。
  15. At present china is in the acceleration stage of the town development, and chongqing has also entered the town acceleration phase. to the end of the year 2002, the total population of chongqing was 31070 thousand, among them the town population 11310 thousand, and the urbanization rate was over 30 % in 2002

    中國目前正處于城鎮化發展的加速階段,重慶也進入了國際公認的城鎮化加速期,到2002年底,重慶市全市總人口3107萬人,其中城鎮人口1131萬人,全市的城鎮化率已超過30 。
  16. The study of control strategy and performance include the performance of starting, acceleration and deceleration. study of commutation process includes the study of voltage and current of each phase and the converter capacitance

    在控制策略的研究中,分別對起動、加速、減速等進行了研究,並比較了不同的控制參數帶來的不同的結果。
  17. Design and experiment of acousto - optic waveguide phase modulator in electro - optic integrated acceleration seismic geophone

    光電集成加速度地震檢波器中聲光波導相位調制器的設計與實驗
  18. According to car following data under special traffic and road condition, rule of driver reflect time were gain in start acceleration car following phase and deceleration brake phase

    利用在特定的交通條件和道路條件下獲得的跟車數據,針對起動加速跟車狀態和減速停車跟車狀態,得到這兩種狀態司機反應時間的規律。
  19. On the basis of time lag differential equation, the car following model were constructed. using average acceleration index, the car following behavior were classed three phases with dynamic classing methodology, start acceleration car following phase, stable car following phase, and deceleration brake phase

    文章以平均加速度為指標,利用動態聚類的方法,把城市快速道路交通流中的跟車行為劃分為三種狀態進行討論,即起動加速跟車狀態、穩定跟車狀態、減速停車跟車狀態。
  20. The research shows that the attitude control system and the conventional acceleration control system are all minimum phase systems, but the pure acceleration control system is a nonminimum phase system

    研究表明,姿態控制系統和傳統的加速度控制系統都是最小相位系統,但純加速度控制系統卻是一種非最小相位系統。
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