速度應變 的英文怎麼說
中文拼音 [sùdùyīngbiàn]
速度應變
英文
velocity strain- 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
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
-
Through the detailed analysis of the aaf, the defection of using chirp - fourier transform in guidance radar signal processing is pointed out
通過對加速度模糊函數的形態分析也指明了針對線性調頻信號的二次相位匹配處理( chirp - fourier變換)在應用到制導雷達信號處理中所存在的缺陷。Accelerometer is used widely for measuring acceleration in civil and military field. at present, there are several type of accelerometers such as piezoelectricity electric charge accelerometer, ic piezoelectricity electric accelerometer, compressive resistance accelerometer and alteration capacitance accelerometer. the main part in alteration capacitance accelerometer is capacitance measurement circuit. foreign countries have produced accelerometer that have tiny volume and high performance. however, our country is not able to produce such accelerometer due to the lack of technique
加速度計作為一種測量加速度的儀器,在民用、軍用領域都有廣泛的應用。目前市場上的加速度計主要有壓電式電荷加速度計、集成電路式壓電加速度計、壓阻式加速度計、變電容式加速度計等幾種類型的加速度計。變電容式加速度計的設計中一個重要的環節就是電容檢測電路的設計。Based on the previous work, the equations of motion and elastodynamics are changed. a high - order staggered velocity - stress finite - difference formula of the acoustic field in borehole are set up in cylindrical coordinate, and the corresponding code is accomplished
本文在彈性波動力學的基礎上,將運動方程和本構方程作適當變形,採用交錯網格技術建立了井孔波動方程在柱坐標系下的速度?應力高階有限籌分公式,並編制了相關計算程序。The paper depicts the elasticity with euler form and associates the form with depiction of behavior of fluid. the method takes the velocity as basic variables and then derives the left - deformation tensor from the velocity in order to deal with the time - independent motion. at last in this chapter the equations of the finite flow - element are set up from the principle of the virtual work
首先建立流管元的概念,對彈性固體相關的部分採用euler描寫,並融入流體行為的描寫中;以速度為變量,反推左變形張量,用於處理流固物質的定常運動,給出了控制方程和相應的變分式;以此為基礎發展了一套相應的有限流管元演算法。In this paper, the plane double enveloping worm ( pdew ) has been researched. the motion equations have been built of it
並應用matlab語言編制了對嚙合點的運動軌跡程序,嚙合點各分力和運動速度的變化規律曲線程序。In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts
通過加速度、應力應變測試實驗和激振試驗的研究,發現ts5560特種車分動器取力器氣缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂:傳動系統工作所產生的激勵,經過分動器結構的傳遞(特別是分動器一階扭轉模態的放大) ,在螺栓的連接處產生1000 1500hz的振動激勵,其導致螺栓一階彎曲共振,在螺栓一階彎曲模態的阻尼比較小的情況下,使得螺栓產生較大的共振響應,導致螺紋處的彎曲動應力較大,疲勞壽命較低。In the third part, taking advantages of the tests of acceleration, stress and strain, the exciting test, and modal analysis method, it is found out that resonance vibration leads to the compound - bending fatigue fracture of the bolts. accordingly, a series improvement measures are proposed
第三章通過對分動器及長螺栓、短螺栓的加速度、應力應變測試分析實驗和激振試驗、模態分析研究,確定螺栓斷裂問題的根源在於共振響應導致疲勞斷裂,並提出了一系列的改進措施。The rate of domain switching plays an important role in the nonlinear behavior and properties that are frequency dependent. it is necessary to incorporate the rate of domain switching when multi - scale analysis of the coupled macroscopic thermo - electric - mechanical behavior of ferroelectrics is carried out
疇變具有一定速度,疇變速率對鐵電體的非線性響應和頻率相關響應等性質起到重要的作用。在對鐵電體多場耦合進行多尺度分析時,必須考慮疇變速率的影響。In the process of gathering image, it must produce noise, otherwise, we focus on the image character that we are interested in when we do it ; so we should use the technology of histogram equalization of image, windows conversion, removing noise by smoothness and filtering to enhance the image
將人工檢測得到的圖像進行圖像預處理,將32位真彩色圖像轉化成灰度圖像。降低了數據童,加快了圖像處理速度。應用圖像的直方圖均衡、窗口變換、平滑去噪、濾波等處理技術對圖像進行去噪和增強,得到本研究所需要的圖像特徵。As a part of the civil 863 plans, two multiple - contact models for two kinds of braking system are built in the paper, in which contact fields are described as coons surfaces, initial velocity is programmed in fortran. the thermal - mechanical coupling braking processes are simulated for the first time by msc. marc, the general - used nonlinear fem software. time distributions of the velocity, the stress and the temperature of the components under various initial velocity and brake force are obtained, which offer theoretic gist to study the life of the wheel, the disc and so on
作為國家行業863重大課題《鐵路機車車輛虛擬樣機系統》的一部分,本文在研究接觸問題和熱?機耦合問題數值方法的基礎上,採用國際上通用的非線性有限元分析軟體msc . marc建立了踏面制動和盤形制動主要部件的多體接觸計算模型,其中用解析方法描述,即用nurb曲線、高斯曲面來描述接觸區域,用fortran語言編寫定義初速度的用戶子程序,首次對兩種制動過程熱?機耦合進行了數值模擬,定量給出了主要制動部件在不同初速度、不同制動力下各個時刻的速度、應力和溫度的變化規律,為研究車輪、閘瓦以及制動盤壽命提供了理論依據。21st is the times of the information economy, the development of which is changing our society quickly. in order to adapt ourselves to the living surroundings, we must innovate continuously
21世紀是知識經濟的時代,知識經濟的發展正以日新月異的速度改變著我們的社會,為了適應當今的生存環境,就要不斷地創新。It is one of the important parts for the control of hupqc to detect the reference compensation signal. the predictive strategy is presented based on wavelet theory, that means tracing the fundamental signal and replacing with sampling data every half cycle. the fundamental signal is forecasted step - by - step in a half cycle earlier
補償指令信號的檢測是電能質量調節裝置的控制環節之一,本文提出了基於小波理論的預測檢測策略,跟蹤基波信號,以半周期為采樣更新速度,應用小波變換法對信號的基波分量進行遞推式預報,並取其與實時信號之差做為參考,然後產主與之大小相等、相位相反的信號作為hupqc的實時補償指令信號。We have applied this system in the research of microcirculatory disturbance, and have got some very useful information of the change in microvascular. these information help us to grasp the physiology metamorphose of sd - rat in this status, at the same time these information can assist us to screen some medicine
此系統應用於微循環障礙實驗中,得到了血流速度的變化情況,很好的反映了大鼠生理變化的情況,同時在藥物的篩選中有一定的指導意義。According to the robot of trait, the robot of kinematics is analysed by inverse kinematics. the coordinate transform in kinetic course was given. and the velocity and acceleration is analysed by influence coefficient. the changeable velocity and acceleration of curve in the ideal condition is designed and analysed. based on zmp theory, formula calculates zmp by direct and indirect means is deduced
利用影響系數的方法給出了機器人速度和加速度公式,給出了機器人在理想狀態下行走的各分支機器人速度和加速度的變化曲線,對曲線進行了分析,指出對應于實際行走過程中每一段曲線的意義,為機器人的控制打下了堅實的基礎。The deformation resistance of the weathering steel during hot deformation has been studied using mms100 - simulator, and the relationship among deformation temperature, strain rate, degree of deformation and deformation resistance has been determined
摘要通過在mms100 - simulator熱力模擬實驗機上的熱壓縮實驗,研究了不同熱變形條件下耐候鋼的變形抗力,考察了變形溫度、應變速率及變形程度與變形抗力之間的關系。The reference signal and the disturbance signal are controlled, which can achieve optimal effect in the meantime, applying adaptive lms algorithm based on variable step and variable region to variable frequency speed regulation system, the initial convergence rate, tricking ability of time - varying system and stable precision are best in the meantime
利用變論域變步長的lms自適應濾波演算法,使自適應逆控制的異步電機變頻調速系統及其逆系統辨識的初始收斂速度、時變系統跟蹤能力及穩態精度3個指標同時達到最優。Abstract : focused on the metal plastic forming of valve bodies for power plant boiler, a new process named “ shear extrusion ” is described in this paper. the numerical simulation analysis is carried out by using the 3 - d deform software to predict the distribution of velocity, stress, strain and temperature fields during the forming process and the flow law of metal. then the numerical simulation results are testified by simulative experiment. finally, large - size valve bodies have been successfully formed by the screw press
文摘:針對電站鍋爐用大型截止閥體的製造新工藝? 「剪切擠壓」 ,利用數值模擬的方法對剪擠工藝進行研究,得到了成形過程中速度、應力、應變及溫度場等的分佈及金屬流動規律,並通過物理模擬實驗進行了驗證,進而為獲得閥體剪擠製造的最佳成形工藝參數提供可靠依據。This paper primarily studys that how to make robot system works smoothly under condition of random obstacles by sensing environmental informations, on the other hand, the robot control system use dynamics method instead of location one to command manipulators performance, as a result, impact force between manipulators each other which is caused velocity _ break will be reduced greatly, and then, manipulators " life _ span will improve naturally, and because of reliable obstacles - avoidance arithmetics, robot system is almost able to feedback to obstacles as fast as it be, this character makes its intelligence mount up greatly
本論文旨在研究針對惡劣環境(有隨機障礙物存在) ,使機器人在正常工作前提下,通過「感知」外界環境,迴避一切可能影響其工作的情況。另外,機器人控制方面,利用動力學代替位置控制,從而減小機器人在迴避障礙物過程中由於速度突變而引起的沖擊力,以提高其使用壽命;並利用可靠的避障演算法使其能在最短的時間內做出快速迴避的反應,以提高其智能性。Along with the advancement of technology, human are changing all aspects of environment at unprecedented speed the change of the utilizing land resource make the style of utilizing land resource change with each passing day for the land manager, as the traditional mode of manage can not adapt the change of utilizing land resource, they need a sort of land resource management information system which can update graph and data at real timeo the appearance and development of " 3s " ( remote sensing globe position system geography information system ) technology improve the change from traditional map to digital map, and offer the platform on which the land resource management information system can be developed which can satisfy the manager ' s requirement, and make it possible that develop the land resource management information system by the manner of system integration the article set forth the method and technology of developing the land resource management information system from the aspects of the manner of development the instruments of integrated development the design of system the data ' s organization the technology of integrated development
隨著科學技術進步的速度越來越快,人類正以空前的速度改變著自然環境及其各個方面,人類對土地資源的利用也發生著日新月異的變化,使得土地資源的利用類型隨時隨地發生改變,對于土地管理者來說,傳統的管理模式已經不能夠適應當前土地利用的變化速度,急需一種能夠實時更新圖形和數據的土地資源管理信息系統。 「 3s 」 (遙感技術、全球定位系統、地理信息系統)技術的出現和發展,推動了傳統地圖向動態的數字化現代地圖的變革,為建立滿足當代土地管理者需求的土地資源管理信息系統提供了可能的平臺,使得採用系統集成方式進行土地資源管理信息系統開發成為可能。本文主要從開發方式的選擇、集成開發工具、系統設計、數據組織、集成開發技術等五個方面闡述開發土地資源管理信息系統的方法及相關技術。Now, the reported fgs can measure many physical parameters including temperature, strain, stress, displacement, pressure, torsional angle, twist moment ( moment of torque ), accelerated velocity, current, voltage, magnetic field, frequency, density, coefficient of thermal expansion, trembling etc. some of the fiber grating sensing systems have been put into practical use
目前,已報道的光纖光柵傳感器可以檢測的物理量有:溫度、應變、壓力、位移、壓強、扭角、扭矩(扭應力) 、加速度、電流、電壓、磁場、頻率、濃度、熱膨脹系數、振動等,其中一部分光纖光柵傳感系統已經實際應用。分享友人