連續變動 的英文怎麼說
中文拼音 [liánxùbiàndòng]
連續變動
英文
cv-
Study on discontinuous deformation analysis and modern crustal movement
非連續變形分析與現代地殼運動研究Linearized oscillation of neutral difference equations with continuous variable
具連續變量中立型差分方程的線性振動性While adopts bang - bang control to realize semi - active control of vehicle suspension system equipped with electrorheologic damper, the coulomb damping force of electrorheologic damper is fixed, as the bang - bang control is two - value control actually. the bang - bang control cannot make full use of performances of the electrorheologic fluids
由於開關控制是一種二值控制,採用開關控制策略實現對電流變液阻尼器半主動控制懸架系統的控制時,電流變液阻尼器輸出的庫侖阻尼力無法連續變化,不能充分發揮電流變液的特性。When the speckle interferometry or the electronic speckle pattern interferometry ( espi ) is applied to measure the continuous movement or deformation of an object, a temporal speckle interference field will occur
散斑干涉或電子散斑干涉( espi )計量應用於連續運動或變形物體時,就會產生一個時變的散斑干涉場。Flexible switching ( fs ) is one strategy for complex system control, fs would be including of hard switching and soft switching, fs can be driven by both continuous variables and discrete events, at the same time, fs has the characters of diversity and hiberarchy
柔性切換是針對復雜系統控制問題的一種控制策略,柔性切換可以同時包含硬切換和軟切換,其切換策略是既受連續變量驅動,又受離散事件驅動,而且切換具有多樣性和層次性。Rapeseed dynamics model of each individual organ partitioning indices with development process was established on the basis of a great amount of experimental data, in which these indices were regulated by the harvest index as genetic parameter
摘要在大量試驗資料的分析與處理的基礎上,建立了油菜一生中各器官干物質分配指數隨生育進程連續變化的動態模型。This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily
該振蕩波有下述特徵: ( 1 )振蕩周期較長,多數在30 ? 120s范圍,故稱慢波振蕩; ( 2 )振蕩幅度較大,其isi振蕩最小值在zms左右,最大值可達40ms ,表明放電頻率可在幾十到幾百k范圍內變動; ( 3 )在isi連續變化過程中往往出現突然轉折,暫稱其為拐點。In some time - critical situation, continuous ssi is computation bottleneck of some solid modeling system. conventional approach for solving continuous ssi often uses intersection algorithm iteratively without taking the characteristic of the surface into account to simplify computation. the dissertation analyzes the intersect curve structure of continue surface, from the point of intersect curve ' s evolution, it describes the relationship between topology of offset surface intersect curve and topology transmit point ( ttp )
等距曲面和運動曲面在cad cam領域中有著重要的應用,在一些時間敏感場合例如數控加工動態模擬,等距曲面和運動曲面等連續變化曲面求交運算已成為這些系統的計算瓶頸,連續變化曲面求交問題的通常解法是採用曲面求交演算法反復迭代計算交線,沒有考慮連續變化曲面交線之間的相似性進行求交簡化,效率上一直不能有很大的提高。The algorithm is also applied in the broken rotor bars detection in squirrel cage induction machines, which is dependent on detecting the twice slip frequency modulation due to the speed or torque in the stator current, and the rotor bar faults can be detected effectively without some preprocessing
指出可以利用信號的小波脊線來提取頻率隨時間連續變換的信號的瞬時頻率,並將該瞬時頻率提取演算法成功地應用到異步電動機定子起動電流信號的分析中,有效地提取出了轉子斷條故障特徵。Based on the multi - paradigm modeling concept, this paper extends the traditional discrete statechart to model the continuous dynamics in a hierarchical and natural way
本文以多維的建模方式為基礎,延伸常規的離散狀態圖,並利用階層式的架構,同時將連續變量的動態行為塑造于離散事件的系統模型之中。An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process
飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力It is difficult to replicate hinge moment accurately and rapidly because surplus torque affect dynamic performances of load simulator system badly with large intensity and continuous variation derived from variable velocity of rudder system
這種干擾作用具有強度大、隨舵機速度不同連續變化的特點,它的存在嚴重影響了負載模擬器的動態性能,使得加載系統難以準確、快速地復現空氣動力鉸鏈力矩。Oscillation of unstable type first order difference equation with continuous variable
連續變量不穩定型一階差分方程的振動性Turn to the right. move your right hand up and to the side, to shoulder height, palm facing up, while your left hand is palm down. look at your left hand
整套拳式的基本移動方式,要求重心始終在兩足上交替變換,利用重心的連續變換協調、渾融周身的陰陽、虛實,求中和而達至空、至靈。Belt drives. endless wide v - belts for industrial speed - changers and groove profiles for corresponding pulleys
皮帶傳動裝置.工業變速裝置的寬v形連續傳動皮帶和相應皮帶輪槽的輪廓尺寸Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material since its wave impedance changes quasi - continuously along the thickness " direction and thus has quasi - isentropic compressive characteristics, has come to show great potential for the application in dynamic high - pressure technique
波阻抗梯度飛片作為一類新型的功能梯度材料,因其波阻抗值沿厚度方向呈準連續變化,而具有準等熵壓縮特性,可以看作是功能梯度材料在動高壓物理研究領域中的應用新拓展。In this paper, we establish a comparison theorem on the oscillation of unbounded delay difference equations and some delay differential equations, and get a reasonable criterion for judging the oscillation of the former
摘要建立了一類具有無界時滯點連續變量的差分方程與某類時滯微分方程振動性的比較定理,進而獲得前者的振動性的一些充分性判據。In addition to the familiar period doubling bifurcation scenario leading to chaos, a quasiperiodic route to chaos is also observed which occurs through an initial hopf bifurcation. the current chaos control methods are compared, the stabilization of unstable periodic orbits of this chaotic system is achieved by continuous feedback control method, the specially designed external oscillator which used as target motion orbit in continuous feedback control method is obtained directly from ihb method
對現有的混沌控制方法的優缺點進行了比較,利用混沌控制理論中的連續變量反饋控制方法,實現了系統混沌吸引子內部的不穩定周期軌道的穩定化,對齒輪傳動系統進行了有效的混沌控制,並對連續變量反饋方法的結果進行了分析,包括噪聲的影響和方法的改進。To analyze conveniently, analysis personnel regularity need to make the operation of background color filling, anode 、 cathode filling, gradual change filling of anode and cathode to eliminate burr phenomena and mosaic phenomena during the filling process. earthquake interpret deal with a lot of data, a mass of proportion operation, coordinate conversion and coordinate mapping must be dong in the plot process, it may frequently appears the phenomena of memory deficiency, graphics refurbish in low speed, graphics overlap and twinkle, so it make use of the technique of memory mapping document, memory dc plotting and local plotting twice and so on to implement quickly and top - quality plotting of lots of gigantic graphics and implement continuous and rolling display
分析人員為了方便分析,也經常需要把波形進行底圖彩色填充,正級、負級填充,正負極的彩色漸變填充,並消除在填充過程中出現的毛刺現象、馬賽克現象。因地震解釋所涉及的數據量很大,在繪圖過程中要進行大量的比例運算、坐標轉換及坐標映射等,就會經常出現內存不足、圖形刷新速度過慢、圖形重疊和閃爍等現象,所以需要採用內存映射文件、內存dc繪圖、局部重繪等技術,實現大數據量巨幅圖形的快速度、高質量繪制以及圖形的連續滾動顯示。And the effect of the work order of the two propellant units to the performance of the trajectory and the matching conditions to obtain the theoretical optimum trajectory is discussed too. according to the ballistic speciality of a hybrid base - bleed - rocket extended - range projectile during base - bleed and rocket work, its physical parameter is non - constant, such as its mass position of mass centre polar and equatorial moment of inertia. after a mulriple ballistic model of constant physical parameter is established, a mulriple ballistic model of continuous and non - continuous physical parameter is educed and the program is compiled, the theoretical tool is constructed to study othe other pivotal technology of a hybrid base - bleed - rocket extended - range projectile
本文根據底排?火箭復合增程彈其底排燃減阻和火箭助推階段的質量、質心位置、轉動慣量等結構特徵參量變化的彈道特徵,在建立底排?火箭復合增程彈結構特徵參量為不變常量的多元彈道計算模型基礎上,導出了結構特徵參量為連續變化量和非連續變化量的底排?火箭復合增程彈多元彈道計算模型,編制了相應的計算機數值分析程序,構建了研究底排?火箭復合增程彈其它關鍵技術的理論工具。分享友人