domain of stability 中文意思是什麼
domain of stability
解釋
畸穩定區-
The extracellular 100pl ( ecl1 ) and ecl2 was linked by disulfide bond to maintenanced the stability of the protein secondary structure. in recent years, we showed that ccr5 as a co - receptor could interact with hiv - 1 infect ion. ccr5 was paid closed attention to since it was cloned in 1996. the aim is to - obtain the sequence of first extracillular domain of 3 chemokine receptor 5 ( ccr5 ) n - terminal gene fragment with high level expression in e. coli and to prepare its specific antibody f ( ab ' ) ;, and its detected method
Ccr5具有g蛋白偶聯受體家族（ g - proteincoupledreceptors ， gpcrs ）所特有的7個跨膜區（ transmembrinedomains ， tm ） ，呈螺旋， tm的氨基酸有很高的保守性，膜外第一襻（ extracellularloop1 ， ecl1 ）和ecl2之間有二硫鍵相連，以維持蛋白質二級結構的穩定性。 -
In this dissertation, correlative research of longer - term voltage stability have been carried out, including some slow dynamic elements, such as on - load tap changer ( oltc ), maximum excitation limiters ( mel ), etc. the effects of these slow dynamic elements on the course of voltage instability or collapse are revealed from the point of view of time - domain simulation
本文基於pss e程序中的擴展動態模擬模塊，對考慮有載調壓變壓器（ oltc ） 、最大勵磁限制器等慢動態元件的中長期電壓穩定進行了相關的研究，從時域模擬的角度揭示這些慢動態元件在電壓崩潰過程中所起的作用。 -
The three - dimensional flutter analysis in frequency - domain of suspension bridges and theirs flutter stability when construction is carried out in terms of dealing with the project of constructing a suspension bridge ? ancang jiang bridge, besides with other engineering projects
本文以瀾滄江懸索橋為工程背景，結合其他幾個工程實例，討論了三維顫振頻域分析方法和懸索橋施工階段的顫振穩定性問題。 -
In particular, it is found that static instantons are just domain wall solutions in the magnetic film. stability of the domain walls is also investigated in terms of the instanton theory
我們發現靜態周期瞬子正是鐵磁膜中的疇壁，用相應的瞬子理論討論了疇壁的穩定性。 -
In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。 -
Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops
所涉及的主題包括：反饋系統的特性和優勢，時域和頻域性能度量，穩定和穩定度，根軌跡法，奈魁斯特準則，頻域設計，補償技術，種類繁多的物理系統應用，運算放大器的內部和外部補償，能量轉換系統的建模和補償，以及鎖相環。 -
Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems
由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢，利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。 -
Since 1960 ", the methods for charactering time - frequency stability in time - domain have been in progress. the methods include allan variance, modified allan variance, time variance, hardamard variance, total variance, time interval error ( tie ) and maximum time interval error ( mtie ), of which tie and mt1e are usually used for telecommunication network
自20世紀60年代以來，時間及頻率穩定度的表徵方法一直在不斷的發展，有阿侖方差、修正阿侖方差、時間方差、哈達瑪方差、總方差以及常用於電信網路的時間間隔誤差（ tie ）和最大時間間隔誤差（ mtie ） 。 -
First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed
首先本文回顧了時域有限差分yee演算法，包括時域有限差分的差分方程、穩定性條件、數值色散特性、吸收邊界條件，激勵源的設置以及散射參數的計算等。 -
Verification regulation of wide band frequency stability measurement set in time domain
寬頻帶頻率穩定度時域測量裝置檢定規程 -
The robust stability can be verified by means of the feasibility of a set of lmis described only in terms of the vertices of the polytopic domain. the approach is less conservative than quadratic stability by using a parameter - dependent lyapunov function and extends the results of the related references. 4
對具有多邊形不確定性的不確定系統建立魯棒區域穩定的lmi充分條件，給出的lmi條件可解則二次穩定情形必可解，故比二次穩定有較少的保守性，推廣有關文獻的結果。 -
The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文從麥克斯韋旋度方程出發，建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程，詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置；推導了mur一階和二階邊界條件在圓柱坐標下的差分格式；給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術；最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。 -
This paper studied the stability and oscillation with relations to the style of spatial mesh divieded and the differential style in time domain then concluded the adequate mesh style in space and time domains in numerical algorithm
研究了在求解域內空間網格劃分和時間域劃分形式及時間域差分格式對數值解收斂性質和振?性質的影響，選取了合適的數值計算格式，能使計算結果在收斂性、振?性和結果精度方面都滿足工程計算要求。 -
Transfer function of the closed - loop is presented after analyzing every part of the closed - loop of current control. the time - domain and frequency - domain characteristic of the closed - loop is analyzed and the stability error is discussed, and the closed - loop ’ s ability to restrain the noise is simulated by the tool of simulink, so as to optimize the parameters
分析了穩流環路的各個環節，得出了穩流環路的控制方程，從控制角度分析了該環路的時域、頻域特性和穩態誤差，並對環路抑制電路噪聲性能進行了simulink模擬，從而得出最佳的參數。 -
In addition, the breakdown and the degeneration of pcss " s are serious problems in the applications. in this dissertation the mode of luminous charge domain is perfected ulteriorly by deeply studying the dynamics characteristic of high - field domain of the trans - electron device with experiment stability of nonlinear pcss
本文在通過對轉移電子器件偶極疇的動力學特徵作了深入分析的基礎上，結合非線性pcss ' s的穩定性實驗，對非線性pcss ' s的光激發電荷疇理論模型作了進一步的完善。 -
So adjusting the drift of laser beam and improving its directional stability, which is the key technology in the domain of the linear reference technology, demands to be solved
可見，抑制激光光束漂移，改善其方向穩定性是直線基準技術領域急需解決的關鍵技術。 -
In this paper, we study the application of qualitatively, stability and bifurcation theories of dynamics systems in power systems. we discover that parameters play an important role in stability and feasibility region of the power systems. the results provide methods to decide stability and domain of parameters
本文以動力系統理論中的定性、穩定性和分支理論為基礎，研究了它們在電力系統中的應用，發現系統參數對系統的穩定性及穩定域起到重要作用，這為控制電力系統的穩定性提供了研究方法和參數范圍。 -
The current control approaches are based on frequency domain methods such as pid control which assumes linear time invariant system dynamics. the advantages of these approaches are simplicity and ease of stability and robustness analysis. however, the decrease in performanc e and poor efficiency translates to additional payload and cannot meet the demand of current spacecraft control
當前飛行器主要的控制方法是基於近似時不變線性系統的頻域分析法（如pid控制） ，這種方法的優點是簡單且易於穩定性和魯棒性分析，但它所達到的低性能和低效率卻轉化成了飛行器控制過程的附加載荷，還遠不夠滿足當前飛行器控制的要求。 -
One is constant impedance modeling, the other is complicated load modeling. based on the time domain simulation, the sensitivity of stability margin with respect to node active and reactive power for the system with complicated load modeling is derived
結合時域模擬，本文提出了具有綜合負荷模擬的暫態過程中發電機加速面積、減速面積、減速功率（穩定裕度）對網路節點有功、無功及變壓器變比的靈敏度分析方法。 -
The ultra high density bloch line memory ( blm ) scheme was proposed bykonish in 1983. negative vertical bloch line ( vbl ) pairs in the walls of stripe domains aligned in parallel ( minor loops ) are used as information carries in blm. so, the study of the temperature stability of the vbl in the magnetic domain of garnet bubble is very important to the study of blm and the development of magnetic domain wall physics
並通過j . c . slonczewski所給出的vbl的平衡間距公式分析得出d疇壁中vbl間的平衡間距（ s _ （ eq ） ）隨溫度的升高而增大，這與以前人們所得到的ohb疇壁中vbl間平衡間距（ s _ （ eq ） ）隨溫度的升高而減小的結論不一致，並對此進行了分析。
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