模態色散 的英文怎麼說
中文拼音 [mótàishǎisǎn]
模態色散
英文
modal dispersion-
The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。Thirdly, a unified colored - noise approximation is applied to calculate the steady state distributions of the dispersive optical bistability when the fluctuations in the amplitude and phase of the incident field are considered as colored noise
色散光學雙穩系統是本文研究的第三種光學模型。當入射光中的強度漲落和位相漲落分別看作色噪聲時，我們用統一色噪聲近似得到它們的定態強度分佈。An adaptive algorithm for dynamic polarization mode dispersion compensation and its realization
動態偏振模色散補償的自適應演算法及實現The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed
主要工作在以下幾個方面： 1 、針對頻率選擇性衰落通道：結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法，與傳統方法相比，該方法計算量更小，收斂速度更快，性能更優，且對系統階次的過確定表現穩健，具有實際均衡應用價值； 2 、針對時間選擇性衰落通道：提出一種基於迫零均衡的時間選擇性通道均衡方法，演算法結構簡單； 3 、針對時變色散通道：利用瞬態均值曲線提取通道時變信息，對之ar建模，利用卡爾曼濾波器跟蹤時變通道抽頭變化，可以快速跟蹤通道變化；基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法，提出了新的單輸入多輸出色散時變通道均衡與識別演算法，同樣具有對通道階次過確定保持穩健的優點；結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法；研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題，給出一種時變系統處理模型。Polarization mode dispersion
極化模態色散Topics covered include : crystal lattices, electronic energy band structures, phonon dispersion relatons, effective mass theorem, semiclassical equations of motion, and impurity states in semiconductors, band structure and transport properties of selected semiconductors, and connection of quantum theory of solids with quasifermi levels and boltzmann transport used in device modeling
被覆蓋的論題包括：晶格、電子能帶結構、聲子色散關系、有效質量理論、半經典運動方程和半導體中的非純態、選擇性半導體的帶結構和輸運性質固體量子理論與準費米能級以及用於器件建模的玻爾茲曼輸運理論之間的聯系。We use uml to describe the whole system architecture, and use colored petri nets to describe intrusions and specify agent design. at last, we build a prototype of this model on java platform. this prototype running in linux / windows environments, and can detect ftp bounce attack
在本系統建模階段，結合了uml建模語言和有色petri網技術，將uml語言用於整個檢測系統的動態和靜態建模，而利用有色petri網進行分散式入侵模式的分析，並在此基礎上針對不同的入侵模式構建相應的檢測agent 。Secondly, functional derivation is employed to analyze the two - dimensional colored noise in the third order laser model with dispersive medium. the stationary intensity distribution is derived. the variation of the most probable intensity with pump parameter and noise intensity correlation time is investigated
其次從色散型介質中三次激光模型出發，通過泛函導數，應用小近似計算兩維色噪聲，得到激光場定態強度分佈，研究了定態強度分佈的極值點隨抽運參量和強度噪聲相關時間的變化情況。In allusion to the real - time and concurrence of acquiring surrounding information, a timing controlled colored petri - net supporting timing dynamic process is presented and a cooperative model of multi - agent system of the complex dynamic surrounding of steering is established too. describing process of multi task coordination of real - time distributed multi - agent system and mechanism of multi - agent coordinating problem solving based on time - safety model
針對環境信息獲取的實時性和並發性，提出了一種支持計時實時動態流程的計時受控有色petri網（ tc ~ 2pn ） ，建立汽車行駛復雜動態環境的多智能體系統流程的協作模型，描述實時分散式多智能體系統中的多任務協調過程，以及基於時間安全模型的多智能體系統協調求解機制。Combining gray theory and catastrophe theory, the gray energy catastrophe model is brought out according to the critical value of energy. the real example shows that the critical value is unique. the analytical process of rock mass fail shows that the process of fail of the rock mass is the process that dissipation structure is formed, and that self - organization of surrounding rock is built during the process
在臨界狀態時，只要系統稍有擾動，則系統就會失穩；強擾動可以使失穩提前發生；將灰色理論和突變理論相結合，以能量突變為材料的破壞特徵，提出隧道巖體開挖的灰色能量突變模型，通過實例分析表明，該失穩判據具有唯一性；對巖體失穩的過程分析表明，巖體的失穩過程實際上是耗散結構的形成過程、是巖體的自組織過程，圍巖系統在演化過程中出現分叉和混沌現象。分享友人