非對稱性運動 的英文怎麼說
中文拼音 [fēiduìchènxìngyùndòng]
非對稱性運動
英文
asymmetrical movement- 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 ...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 稱 : 稱動詞(適合; 相當) fit; match; suit
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 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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Three aspects have been emphasized at the beginning of this century. firstly, multipolarized relationship has been formed among different countries, featuring as anisomerous and multi - directionally motivated
世紀之初的世界,強調了三個方面,首先國家間關系初步形成了多極化的結構性特徵,並表現為非對稱性和多向互動的運動規律。All infantile esotropia had asymmetric motion perception in both eyes regardless whether the strabismus was fixed to one eye or of alternate type, whether the eye was amblyopic or non - amblyopic
所有幼兒型內斜視病人,無論是固定一眼內斜視或是交替性內斜視,也無論是弱視眼或非弱視眼,他兩眼的運動覺都是不對稱的。We concluded that ( 1 ) motion asymmetry correlates closely with early - onset eye disorders that hinder the normal development of binocular vision ; ( 2 ) motion asymmetry correlates less with pure amblyopia ; ( 3 ) motion asymmetry is not unique to infantile esotropia syndrome ; ( 4 ) persisted motion asymmetry in adult is acquired rather than gene - determined ; ( 5 ) motion asymmetry may not be the cause of strabismus ; ( 6 ) motion asymmetry my not be secondary to disorganized nondecussated optic pathway and ( 7 ) motion asymmetry is an overall immaturity of sensory - motor pathway
我們的結論是: ( 1 )任何早發性眼科疾病,假如阻礙了正常的雙眼視覺發育,則造成不對稱的運動覺; ( 2 )運動覺不對稱並不直接和弱視本身相關聯; ( 3 )運動覺不對稱並非幼兒型內斜視專有的特徵; ( 4 )成人的運動覺若不對稱,是視覺發育過程中受到阻礙造成,而非遺傳而來的; ( 5 )運動覺不對稱並非斜視的原因; ( 6 )運動覺不對稱的原因並非來自視覺神經路徑上太多的非交叉視覺神經; ( 7 )運動覺不對稱是向感覺到運動總體視路徑發育不全所造成的結果。Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二,討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非線性攝動分析及演變方程。Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of
計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時,形體阻力具有局部最小值,結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下,波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。Based on an engineering background, through numerical simulation of the flow field in the hp turbine of the energy efficient engine ( e3 ), the article research the unsteady flow in a transonic turbine stage, the unsteady phenomena in the stage include the shockwave, wake, shedding vortex, endwall vortex, passage vortex and leakage vortex, etc. there are two shockwaves generated on the vane the tailing edge, one on suction side is named moving shockwave, and name another on pressure side steady shockwave
本文首先對于研究的意義和國內外研究的現狀做了簡要的介紹,再從某工程背景出發,通過對e3發動機高壓渦輪內流場的數值模擬,研究了干涉的周期性的問題,以及渦輪級內常見的非定常現象:激波、尾跡、脫落渦、根腳渦、通道渦、漏流渦。導向器尾緣會出現兩道激波,在吸力面的激波可稱為「運動」激波,壓力面的激波可稱為「定常」激波。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。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。Based on the actual biology settling, kinesin moves along microtubule which is constructed from asymmetrical o and p protein subunits which array periodically, so the microtubule ' s structure is also asymmetrical and periodical. during the motion, kinesin ' s configuration changes in a dynamic - chemical period in which there are several dynamic - chemical states for the motor, and the transitions are random between state and state to a certain extent
根據實際的生物背景,驅動蛋白沿微管作定向運動,構成這些微管的蛋白亞基順序排列,形成非對稱的周期性結構,且驅動蛋白在運動過程中構象發生了變化,在一個力學和化學循環中要經歷多個中間態,各個態之間的躍遷具有隨機性。It is necessary to design robust controllers based on the normal plants so that the controlled systems have satisfactory properties by considering the existence of uncertainties. based on lyapunov stability theory, geometry theory for nonlinear systems, dissipative theory and etc, the robust hk control for uncertain nonlinear systems and the reliable h control problem of uncertain nonlinear systems are studied, and the control laws are proposed correspondingly for several typical nonlinear systems in this paper. the robust controller design methods are presented and the proposed method is applied to design the control system of lift feedback fin stabilizer by considering the linear model, nonlinear model and coupled nonlinear model of ship motions
本文研究了不確定非線性系統的魯棒控制問題,以lyapunov穩定性理論、非線性系統幾何理論、耗散理論等為基礎,對非線性系統的魯棒h _控制、非線性系統的魯棒h _可靠控制進行了深入的研究,針對幾類典型非線性系統,提出了相應的魯棒控制方法,對于升力控制減搖鰭系統(本文中簡稱為力控鰭系統) ,考慮船舶運動的線性模型、非線性模型和非線性耦合運動模型,提出了相應的控制方法。( 6 ) the relative motions of global plate tectonics are analyzed in detail with space geodetic and geological data. in addition, we find that the southern hemisphere is expanding and decelerating systematically, the northern hemisphere is compressing without a systematical change, and the whole earth is periodically fluctuating, which show global plate tectonic motion is asymmetrical
( 6 )詳細地分析全球構造板塊相對運動,並揭示了南半球在減速膨脹,北半球在收縮(但沒有系統性地變化) ,且南北半球在周期性震蕩等,反映了全球構造運動具有非對稱性。In chapter 2, we summarize the commonly process of the modeling using garch family models systemically. we establish garch 、 garch - m 、 tarch 、 egarch and garch - t models on return series, then use these models to analysis some volatility characters, such as high apex and thickness tail, permanence of volatility, the relation between return and risk and the asymmetry of volatility etc, lastly, we study the volatility forecast of the garch family models
第二章中,我們系統總結了garch族模型建模的一般步驟,分別運用garch 、 garch - m 、 tarch 、 egarch和garch - t模型對收益序列進行了建模,對波動性的高峰厚尾特徵、波動的持久性、收益與風險的關系以及波動的非對稱性等特徵進行了分析,最後對garch族模型的波動預測進行了分析。Contrasting this, in feedback control the most majority of complex systems are controlled using sampled observations of system behavior taken at discrete time instants. thus the resulting controlled systems are hybrid systems, which are called sampled - data systems, involving both continuous - time and discrete - time signals. the investigation of sampled - data systems is motivated primarily due to the widespread use of digitally implemented controller in present - day feedback control of continuous - time systems
工程實踐中遇到的動態系統通常是連續時間系統,與此相反,大多數復雜系統的反饋控制卻是通過觀察采樣點上的系統行為來進行控制的,結果所得到的反饋控制系統是個混合系統,它含有連續信號和離散信號,這樣的系統稱之為采樣系統,當今連續受控系統中數字控制器的廣泛運用促進了對采樣系統的研究,已有的線性采樣系統理論顯然不能滿足處理非線性采樣系統的需要,因此近年來非線性采樣系統的分析與設計已經成為國際控制論界的持續的研究熱點之一。分享友人