非穩運動 的英文怎麼說
中文拼音 [fēiwěnyùndòng]
非穩運動
英文
unsteady motion- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 運動 : 運動[舊時用語] arrange things or get things done through pull
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The dynamics model is made up to numerically study the movement caused by the friction drive principle. then, the movement is divided into basic vibration state and micro vibration when the state changes according to the simulation to demonstrate the cause of the movement of friction drive
在實現模擬的基礎上,利用非線性振動力學,將摩擦力驅動原理的驅動過程劃分為基本振動與狀態切換非穩定振動階段,論證了微操作球出現的典型運動現象產生原因。This method applies the extended strip theory to establish the nonlinear ship motion equations in regular head seas, obtains stable time course by resolving in time domain, and then pressure vectors will be available. the pressure includes static pressure, incident waves pressure, diffraction pressure, radiation pressure, and wave impact pressure, and changed with instantaneous draft of each intersection
該方法應用擴展的切片理論建立迎浪規則波中船舶非線性運動方程,通過時域步進求解獲得船舶剛體運動的穩定時歷,進而給出與船體各橫剖面瞬時吃水相對應的靜水壓力變化、入射波壓力、繞射壓力、輻射壓力和波浪沖擊壓力諸分量。Having analyzed preliminarily formation mechanism of these common characteristics of anomaly, it concludes that : these are results, controlled by basically united tectonic stress field of large - range, caused by stress - strain accumulation and certain phase strong earthquakes, according to deformation difference brought about in tectonic position along the boundary zone and within second - order faults of active blocks resulted from unstable and inharmonious features for movement of block system at different levels and deformation of boundary
分析這些異常共性特徵的形成機制,初步認為:是在基本統一的大區域構造應力場控制下,不同層次塊體系統運動及其邊界帶變形的非平穩、非協調性,在活動地塊邊界地帶和地塊內部次級斷裂構造部位產生變形差異而導致應力-應變積累、孕育強震到一定階段的結果。Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced
3 、研製了集銑磨成型、研磨、拋光於一體的光學非球面復合加工機床( aocmt ) ,分析了各種運動誤差對銑磨精度的影響;根據空間齊次坐標的變換模型,推導出多軸數控加工的後置處理演算法;通過五軸數控聯動, aocmt機床能夠以法向方式加工出任意復雜的光學表面,銑磨精度穩定在8 m之內。Study the detection : shanghai city gymnastics the talented person chooses the material opportune moment matches the best age in primary election segment ; the obvious descent in number in the third step athlete that shanghai gymnastics training center register, the comparison that athlete occupy rising of not the population of shanghai city, the third step athlete proceeds the training in each area primarily ; the second step athlete number is more steady, but appears the certain age breaks the layer
研究發現:上海市競技體操后備人才選材時機符合初選最佳年齡段;上海體操訓練中心注冊的三線運動員人數明顯下降,非上海市戶口的運動員所佔比例有所上升,三線運動員主要集中於各區進行訓練,但只有8個區有三線運動員;二線隊伍人數較為平穩,但出現一定的年齡斷層現象。Forehand attack is a non - habitual action in table tennis playing. it is the most important skill of quick attack players and the key of table tennis teaching to the students majoring in higher physical education. to have a good command of forehand attack in very short time is an important subject in table tennis teaching and coaching. compared with different results of teaching and coaching experiments, it is proved that the alternate teaching and coaching method combined with external factors in practice can help the students form the dynamic finalization, that the teaching and coaching method is very effective and can be used in table tennis theoretical teaching and practical coaching
正手攻球是快攻運動員最重要的技術,是高校體育專業學生乒乓球教學的重點,是一個非習慣性動作,要在較短的時間內高質量地掌握正手攻球,是乒乓球教學中的重要課題.從實驗對比入手,深入研究並確定以交叉教學法並配合練習中施加外部因素的方法,使學生形成穩固的正手攻球動力定型,能明顯提高教學效果,具有較好的實用性When the bodies move in the upper ionosphere, there exist series of complex non - steady interactions
空間飛行體在外大氣層運動時,和周圍等離子體之間存在著復雜的非穩態相互作用。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,在論述軌跡控制的插補原理及其演算法實現流程並使用動態連接庫編制出各種插補功能子程序的基礎上,首先設計了一種非線性pid控制器,以克服穩定性和快速性之間的矛盾,達到改善控制效果的目的,並通過模擬實驗對其響應效果加以驗證。A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result
但是,非穩態的navier - stokes方程對于明渠水流的瞬時運動還是適用的,以連續方程和動量方程為基礎,建立的各種數學模型和許多求解偏微分方程的數值計算方法在明渠紊流的求解中仍能廣泛應用。But self - organized criticality ( soc ) is a kind of weak chaos nature : " edge of chaos " ( non - stable steady state ), appearing only in the specific space - time region in specific stage at self organization process of crustal movement
「自組織臨界態」 ( soc )是一種弱混沌性質的「混沌邊緣態」 (非穩定定態) ,只出現于地殼運動自組織過程特定階段中的特定時空域。Thus it makes various weathers at definite region. by analysis physical diagnose quantities, we can easily find that the vertical movement, the vapor transfer, the stability at t - logp chart, all related with the precipitation when rainstorm occurs. they gave plus effects to the rainstorm
通過對物理量的分析可以看出,降水發生時的垂直運動場、水汽通量、 t - logp的穩定度參數等物理量值,非常有利於暴雨的產生、發展和維持,也就造成了這次遼西地區大范圍的暴雨過程。These research also approve some inherent phenomena in nonlinear systems such as the interleaving of stability region and instability region, the parameter sensibility of the instable modes, divergence after a relatively long time of chaotic swings ( transient chaos ), a cascade of period double bifurcations to chaos and etc. these phenomena are of great importance to both theoretical research and engineering practice
研究還證實了一些非線性系統所特有的現象,如穩定域和不穩定域的相互交錯現象,失穩模式對參數的敏感性,一段時間混沌振蕩后的無界現象(稱為預無界混池) ,由周期運動經一連串倍周期分岔直至混濁等。這些現象對理論研究與工程實踐都具有重要意義。In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis
本論文研究了具有非相干泵浦的開放v型系統頻率上轉換無粒子數反轉激光,利用密度矩陣運動方程,通過理論分析和數值計算,得出該系統產生無粒子數反轉激光的條件,討論系統各參數的變化和驅動場與探測場的失諧對激光增益、色散和粒子數差的影響,還討論了頻率上轉換區域的非線性效應,分析了增益的穩定性及系統的瞬態演化過程。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。On the basis of large - displacement virtual principle, the finite element equations of stable type suspension bridge containing towers are driven. the stiffness matrixes of the cable element, the bar element and the beam element using node coordinates are given, too. such method has not been found in reference books
論文從有限位移彈性理論的虛功方程出發,推導出穩定橋全橋結構的非線性有限元運動方程,還推導了用節點坐標表示的索單元、桿單元和梁單元的單元剛度矩陣,這一點在參考文獻較少見。( 2 ) the vehicle nonlinear stability is studied by use of model a and model b. while model e and model f are used to investigate the train nonlinear stability
( 2 )利用模型a和模型b研究了車輛系統的非線性運動穩定性,利用模型e和模型f研究了列車系統的非線性運動穩定性。In the analyses of nonlinear vibration, the stability of movement is important besides response calculation. it is equivalent to the problem that the movement can be applied or not
非線性振動分析中,除了響應求解是關鍵,其運動穩定性的分析也是重要的一步,它直接關繫到系統運動能否實現的問題。The steady solution of nonlinear ship motions in oblique seas can be gained by adopting the new technique presented in this thesis. this work promotes the application of theoretical prediction methods of nonlinear ship motions and wave loads
本文提出的新方法可以保證獲得斜浪中船舶非線性運動的穩定的周期解,從而進一步完善了斜浪中船舶非線性運動預報和波浪載荷計算的工程實用方法。The nonlinear motion of the flight quasi - steady state is as a basic motion to be analyzed and simplified to formula the ideal state, output and control variables, and to produce its linear model
以準穩態運動為基準,對其運動非線性分析,並適當簡化,生成準穩態運動的期望狀態、輸出、控制和小擾動線性化模型。The judgement formula for high and low speed landslide and a new theory of stiffness - effect instability are presented for the instability of planar - sliding slope by the catastrophe theory. it is pointed out that the limit equilibrium stability analysis method of rigidity body has a lot of defects. the relationship between the action of outside environment and the response of slope system is complicatedly nonlinear according to the nonlinear dynamics model of slope evolution built
針對斜坡平面滑動失穩問題,運用突變理論方法,給出了快速滑坡和慢速滑坡發生的判據,驗證了剛體極限平衡穩定性評價方法有較大缺陷;根據斜坡演化非線性動力學模型,發現斜坡演化過程會出現混沌現象,其通向混沌之路是通過倍周期分叉實現的。分享友人