nonlinear transmission 中文意思是什麼

nonlinear transmission 解釋
非線性傳輸
  • nonlinear : 非線性的
  • transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
  1. The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers

    本論文研究波分復用（ wdm ）系統中偏振模色散的影響，主要工作包括下面兩個部分：一、導出了四波長光波在雙折射光纖中傳輸所滿足的一般非線性耦合方程；在此基礎上，研究色散平坦光纖中4 10gb sdwdm系統的偏振模色散特性，並且進一步研究了偏振模色散對不同通道間隔的4 10gb sdwdm系統的影響。
  2. In this paper, dual - beam transmission problem that possess to a certainty included angle and gains the nonlinear schrdinger coupled equation ( nnlse ) in self - defocusing media is discussed

    摘要自散焦介質中雙光束斜入射耦合能發生光束偏轉，通過數值模擬發現在非線性折射率不是均勻分佈時光束偏轉能降低抽運光功率並且偏轉角度不減小，在相同的功率條件下，能產生更大的偏轉。
  3. Transmission long - term planning is a dynamic, multi - stage and nonlinear combinative optimization problem. the thoughts of how to carry out multi - stage transmission network planning are analysed

    電網長期規劃既要考慮各水平年的電網結構，又要考慮各水平年的方案過渡，是一個動態的多階段非線性整數規劃問題。
  4. In chapter 2, the first and the second section give explicit explanations of how to use split - step fourier transformation ( ssft ) algorithm and finite - difference methods to solve nonlinear equation. a code table, in which a list of normalized transmission formula is included, is given to facilitate programming

    第二章，前兩節詳細介紹了如何用分步傅里葉變換演算法和有限差分法實際求解非線性方程，並給出了求解光束、脈沖及脈沖光束的歸一化方程編碼表，供編程參考。
  5. In the paper, transmission loss, polarizing and nonlinear characters ( chiefly about srs spectrum ) in highly single mode silicon elliptical optical fiber and circular optical fiber are experimentally and theoretically researched

    本文對石英系單模橢芯和圓芯光纖的傳輸損耗特性、偏光特性、非線性特性（主要是srs譜）進行了系統的實驗研究和理論分析，給出了實驗裝置和測試原理。
  6. Stochastic resonance has attracted the attentions in many fields of science in recent decades, but it is a new method and theory in signal processing. in context of signal processing, for signal transmission by nonlinear systems, stochastic resonance is commonly described as an increase hi the signal - to - noise ratio ( snr ) at the output, which is obtained through an increase of noise level or tuning system parameters

    從信號處理的角度來講，隨機共振是在非線性系統信號處理中，輸入為強噪聲背景下的微弱信號，系統輸出以適宜的物理量來衡量，如信噪比，通過調節輸入噪聲強度或系統參數，都可使得系統輸出信噪比達到一個最大值，此時，稱信號、噪聲和非線性系統所產生的協同現象為隨機共振。
  7. Nonlinear directional coupler ( nldc ) is a switch used in optical network. w. s. man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network ; and mary j. potasek had studied the self - coupling with ultrashort solitons in nldc, self - coupling is difficult to control the signal transmitting. i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not

    非線性定向耦合器（ nldc ）是用在光網路中的光開關器件，它主要用在全光網路中， w . s . man等研究過基態孤子在nldc中的傳輸控制，便於對全光網路中數據的正確傳輸，由於目前研究集中在100fs的超短脈沖傳輸特性上，顯然基態孤子的特點不再適用於超高速網路； maryj . potasek等就超短脈沖在nldc中的自耦合做了研究，在光網路中自耦合任意性太大，不利於控制脈沖的傳輸。
  8. To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra

    為了促進下一代超高速dwdm密集波分復用技術的發展，本文還研究了光纖喇曼放大器的增益特性，根據光波非線性傳輸方程建立光纖喇曼放大器增益模型，通過數值模擬分析了泵浦波功率、信號輸入光功率、以及光纖有效面積和損耗對光纖喇曼放大器增益的影響，得出了一些對光纖喇曼放大器的設計有一定的指導意義的結論。
  9. Wave transmission in nonlinear superlattices

    非線性超晶格中波的傳播
  10. In chapter six, we studied the nonlinear solitary wave solution under the transverse perturbations for a system of coupled nonlinear electrical transmission lines. in the continuum limit and suitably scaled coordinates, the voltage on the system is described by a modified zakharov - kuznetsov equation

    論文第六章研究了耦合非線性傳輸線系統中的孤波，在連續近似和合適的坐標系下， 11一一一一一一藕合非線性傳輸系統的電壓可以用mzk方程（ 。
  11. In the point of - information theory ; - the - baseband binary pulse amplitude modulated ( pam ) signal transmission, via turning the nonlinear receiver ' s parameters, is studied over an additive white gaussian noise ( awgn ) channel. it is demonstrated that the channel capacity of binary communication systems, for a given signal added noise, can be maximized by optimal designed receivers. this new form of sr is referred to as psr in a broad sense

    本文研究並設計了含有雙穩態隨機共振系統作為一個接收裝置的基帶數字通信系統，在加性高斯白噪聲通道中，通過研究這個非線性接收器的性能，發現了數字信號傳輸中存在的參數調節隨機共振現象?通道容量隨著系統響應速度的增加具有一個共振峰值，並對這種非線性現象發生的基本機理進行了解釋。
  12. In this paper, the evolution equations of the parameters of the optical soliton pulses were derived by means of variational method, in order to investigate the influence of the fifth - order nonlinear effect on the transmission properties of optical soliton in the coupling fiber, and the effects of the fifth - order nonlinearity were discussed on amplitude, frequency band width, chirp, frequency, center position and phase

    摘要運用變分法導出五階非線性作用下孤子的參數演化方程組，研究五階非線性耦合光纖中孤子的傳輸特性，討論五階非線性效應對孤子的振幅，頻寬，啁啾，頻率，中心位置及相位的影響。
  13. The traffic model and a suit of differential equations presenting the status of the system are given first, from which an objective function is derived, and then the transmission is optimally controlled by the neural network which is characterized by nonlinear map and the particle swarm optimization algorithm which is characterized by stochastic optimization, namely the neural network is employed to generate variable rate of token generation, and the particle swarm optimization algorithm with inertia weight is employed to optimally train neural network in the form of finding a sub - optimal resolution in acceptable computation time

    本文給出了傳輸控制的系統模型及其系統各狀態的差分方程表示，由此推導出了系統的代價函數。然後利用神經網路的非線性映射的功能和基於概率尋優的粒子群優化演算法對系統進行優化控制，利用神經網路控制令牌桶的可變令牌產生速率，利用帶慣性權重的粒子群優化演算法對神經網路的權值進行優化訓練，使其在可以接受的時間內達到次優解。
  14. Secondly, we present the set of nonlinear partial differential equations that describes the wave - particle interaction, by analyzing the output power spectrum, the limit cycle and chaotic oscillation of the radiation field in the traveling wave tube ( twt ) amplifier and the magnetically insulated transmission line oscillator ( milo ) are studied numerically, respectively

    接著，在論文的第三章和第四章我們從導出了一組用於描述場和電子相互作用的非線性偏微分耦合方程組開始，利用頻譜分析法，以行波管（ twt ）放大器和磁絕緣傳輸線振蕩器（ milo ）為例，數值研究了o型器件和m型器件中場的極限環振蕩和混沌行為。
  15. Based on the nonlinear schr ? dinger equation used to describe the normalized amplitude evolution in the fiber, the influence of the third - order dispersion on the transmission characteristics of super - gaussian optical pulse with different chirps in the fiber is studied numerically

    摘要從光脈沖在光纖中傳播所滿足的非線性薛定諤方程出發，研究了三階色散對具有不同啁啾的超高斯脈沖在光纖中傳輸特性的影響。
  16. To attain reliable high data rate transmission over uwa channels, phase - coherent technology and adaptive equalization technology are selected as major research issue. the main content in this paper are as follows : 1. a11 kinds of linear and nonlinear adaptive equalization and typical arithmetic are studied elaborately

    本文以克服多途干擾這一主要矛盾，實現高數據率、高可靠性的水聲通信為出發點，以相位相干調制和自適應均衡等技術為主要研究內容，所做的工作主要如下幾個方面： 1
  17. Based on these models, two kinds of linearized simulink models and a nonlinear simulink model of simple hydro - electricity system are founded and the latter can simulate the variation of power transmission network before and after short - circuit happened

    基於這些模型，建立了水電系統線性化simulink模型和具有模擬輸電網路短路前後不同階段網路結構變化功能的非線性simulink模型。
  18. The forming mechanism of crosstalks in the tdm system was analyzed theoretically, and the relationship between crosstalks and the extinction ratio of optical pulse modulator used in the tdm system was investigated. the interchannel and intrachannel crosstalks in the wdm system were discussed separately, and the contributions to crosstalks were appraised from architecture ’ s alteration, the finite isolation between channels in multiplexers or demultiplexers, and nonlinear effects in the system. noises in the large - scale multiplexing system were studied theoretically, and all kinds of factors were considered that have relation to noises, phase resolution, and dynamic range of the system, such as multiplexing channel number, the length of the transmission fiber, using in - line erbium - dropped fiber amplifiers or not, and so on

    本文從理論上分析了光纖水聽器時分復用系統串擾的形成機理，分析了光脈沖調制器的消光比與系統串擾的關系;分別對光纖水聽器波分復用系統的異頻串擾和同頻串擾進行了理論分析，研究了光纖水聽器波分復用結構、波分復用器與解復用器隔離度等因素以及非線性效應對系統串擾的影響;對大規模光纖水聽器復用系統噪聲進行深入細致的理論分析，研究了系統噪聲、相位解析度、動態范圍與復用數目、傳輸光纖長度、中繼光纖放大器等諸多因素的關系。
  19. Hvdc transmission systems are a typical nonlinear and time - varying control systems, which poses difficult control problems and complicated control strategies. pi controllers are traditionally used in hvdc system. although these controllers have been operating satisfactorily for many years, the results are not perfect

    雖然它們具有一定的適應性，但對于高壓交、直流輸電系統這樣一個典型的強非線性、時變系統來說，其控制效果並不是很理想，往往不能滿足性能要求。
  20. A numerical approach is often employed for understanding optical transmission process in fibers, for the reason that the equation modeling optical propagation in fibers is a nonlinear partial differential equation ( sometimes is called nonlinear schrodinger equation ), which cannot generally be given analytical solutions

    就單一的光脈沖而言，其時間范圍可以為無限，而在計算過程中我們只能就其中起主要作用的一段時間范圍進行模擬，這一時間范圍定義為時間窗口t _ w 。
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