communication system model 中文意思是什麼

communication system model 解釋
通信系統模型
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. On the basis of the study on the speech coder algorithms, paper describe an advanced method of developing dsp system software, and as the guidlines, we developed the programme of whole decoder unit. paper stress on analysis of the ecu in decoder unit. aiming at amr algorithms disadvantage of angularity of synthetical speech, paper study on the specutral extrapolation which apply to extrapolate reflect coefficient of track model to make error conceal processing of amr. at last paper analyze existing echo cancellation algorithms using on mobile communication system

    在此基礎上，描述了一種較為先進的大型dsp系統程序開發策略，並以此為指導思想，以美國ti公司c6000dsp開發平臺開發出了整個amr解碼器單元的系統程序。論文對amr解碼器的誤碼隱藏處理單元進行了重點分析，針對原有演算法合成語音自然度不好的缺點，論文研究了將譜外推法應用到amr演算法中外推出聲道模型反射系數參數進行誤碼消除處理。
  2. In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication

    根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。
  3. This paper proposes a handoff algorithm using dual - window measurements in cellular mobile communication system. the proposed algorithm can provide a suitable balance of probability and delay of handoff. an analysis model of this algorithm is given in this paper. the proposed algorithm is especially fitted to the situation which mobile station needs to measure the signal strength from many base stations

    本文提出了一種新的蜂窩移動通信系統越區切換測量演算法，該演算法採用了兩個長度不同的測量窗口，有利於在切換時延和切換平均次數這對矛盾之間取得更為有效的平衡，特別適用於需要對多個基站進行切換測量的情況.同時本文給出了基於矩形窗口的雙窗口切換測量演算法數學分析模型，及數值分析結果
  4. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測無線電波傳播路徑損耗特性，則為合理的微蜂窩無線網路規劃、設計提供了必要條件，同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  5. Accordingly ray tracing model for microcells propagation prediction has become an important subject. this paper discussed the characteristic of propagation in symmetrical atmosphere on the earth, and introduced several kinds of traditional path loss propagation model in land mobile communication system, also pointed out the localization of these models based on experiential methods

    本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。
  6. The creative standpoint of this paper is to build a model to describe the science information communication system in the network - publishing environment. then it systematically analyzes the impact of network publishing on the science information communication, including : first, the development of the network publishing thoroughly changes the basic concepts of traditional science information communication. the boundary of formal and informal processes becomes obscure, and the channels of the informal process have changed

    本文的創新點在於構築了網路出版環境中科學情報交流系統的模式，在對該模式的直觀描述的基礎上，系統地分析了網路出版對科學情報交流各個方面的影響，包括：第一，網路出版的發展徹底改變了傳統科學情報交流體系中概念區分的依據，使正式交流和非正式交流的界限模糊了，非正式交流的渠道發生了變化，這種變化帶來了積極的影響。
  7. Considering the requirement of communication network, a local area computer communication system of plc based on usb interface was given after analyzing the application model of plc. then after theoretical analysis and digital simulation, the plc modem and the computer interface models were designed. the design of software about the two models was also finished

    本文首先介紹了電力線通信技術在國內外的研究概況，分析了電力線載波通道的傳輸特性，討論了適合於電力線通信的擴頻載波通信方式，然後結合通信網路的要求，在分析電力線通信應用模式的基礎上，提出了一種基於usb介面的室內計算機電力線通信方案，進行了理論上的分析和數字模擬，設計了電力線modem模塊和計算機介面模塊，編制了相應的軟體程序，並對軟體進行了測試分析。
  8. An adaptive impedance matching system model for power line communication system

    電力線載波通信中的自適應阻抗匹配系統模型
  9. The paper firstly studies some basic concepts such as task distributing, remote calling, loading balance, processing synchronization and communication, distributed computing system model and parallel executing time connected to distributed parallel computing system

    本文首先討論了在分散式系統中所涉及的任務分配、遠程調用、負載平衡、進程同步與進程通信以及分散式計算的系統模型等，並探討了并行計算中的一個重要的性能? ?并行執行時間。
  10. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  11. Firstly, the allocation formula of two players and many players are given out with nash bargaining model. secondly, based on analyzing communication process model, sa internal information communication model is designed and a sa information system based on browser / server mechanism is brought forward. thirdly, trust game is analyzed by dint of " prisoners " dilemma " model and terms and premises, resulting in the breakthrough of nash equilibrium, are described, then, the relation between trust and relationship rent is revealed, whereby the focus of trust management is such a mechanism as promotes trust

    從可能導致中小軟體企業戰略聯盟失敗的因素分析入手，選取分配、溝通、信任三個關鍵要素進行分析：用博弈論中的納什討價還價模型導出了兩人和多人利益分配的滿意公式；在分析溝通過程模式的基礎上，設計了聯盟內部信息溝通模型，並構造出基於b s的聯盟信息系統模型圖；利用「囚徙博弈」模型分析聯盟間信任博弈，得出戰略聯盟中博弈雙方可突破納什均衡的前提與條件，接著分析了信任作為關系性租金產生源泉對聯盟利益的影響，進而提出信任管理重點在信任管理的產生機制上。
  12. First of all, the characteristics of different adaptive algorithms and equalizers are theoretically researched. then digital microwave communication system model is build by simulink. based on this model, the convergent behavior and bit error rate performance of three equalizers ( nlms, kalman and rls ) are compared in multi - path fading channel

    為了達到這個目的，首先需要從理論上對各種自適應均衡演算法以及自適應均衡器的特性進行深入研究;然後利用simulink建立接近實際環境的數字微波通信系統，在多徑衰減通道環境下比較了三種基帶均衡器（ nlms ， kalman和rls ）的收斂特性以及系統誤碼特性，並比較了nlms基帶均衡器和通帶均衡器的性能。
  13. First of all, the development of the digital trunked communication system is summarized, and the technical characteristics of several prevail worldly digital trunked communication systems are compared. in view of the domestic situation, the tetra digital trunked radio communication system is chosen as the studying and developing model. with the study of control technology of softswitch, the protocol of the v + d air interface and the multiple use of channel is analyzed, the base station control unit of the digital trunked communication system is discussed, the calling control flow is designed

    本文首先綜述了數字集群移動通信系統的發展狀況，針對目前國際上流行的數字集群體制的技術特點進行了比較和分析，並根據我國的具體國情選擇了tetra數字集群系統作為研究和開發的重點，結合對軟交換控制技術的研究和分析，對集群系統重要的v + d空中介面協議及其通道復用進行了較為深入的剖析，對數字集群實驗系統的基站控制部分進行了論述，對呼叫控制流程進行了設計。
  14. Secondly, the author put forward a layered - structure simulation training model on the basis of the characters of the idr / ibs satellite communication system, and the demand of communication service training. the design is based on object - oriented technology and the thought that the signal float interlinks all system devices. the author analyzed each equipment and put forward the implementation method, and designed an all - purpose simulation platform

    然後根據idr ibs衛星通信的特點及其通信業務訓練的要求，提出了層次化結構的模擬訓練模型，並根據面向對象的思想和信號流構成系統各設備間聯系的思想來開發模擬訓練模型；設計了各組成設備的對象模型和實現方法；設計了通用的模擬訓練平臺及排障訓練子系統、測試訓練子系統、考核訓練子系統。
  15. Secondly, this paper analyses data - delivering method, data - transmitting format and fault - control technology, studies and picks out direct sequence spread spectrum, accessing point network topology and the ieee802. 11b network rule, on the basis of which the harbor wireless communication system model is established. each composing part of the system ' s model is given out. the choice of hardware equipments and the design of communication software are expounded

    其次，本文對通信技術中的數據傳送方式、數據傳輸形式和差錯控制技術進行了分析，研究了港口無線通信系統中的傳輸方式、拓撲結構和網路標準等關鍵技術，選取直序擴頻傳輸方式、接入型拓撲結構和ieee802 . 11b網路標準作為港口無線通信系統的技術基礎，建立了港口無線通信系統模型，闡述了該模型的實現方法，包括硬體設備選擇和通信軟體設計。
  16. Ingaasp long - wavelength quantum well laser is at present appied most extensively in optical fiber communication. structuring its circuit model can optimize the design of the optical transmitter and it is significant to design high - qualitied optical communication system

    Ingaasp四元系長波長量子阱激光器是目前在高速光纖通信中應用最為廣泛的一類激光源，構建其電路模型有助於完成光發射機的優化設計，這對于高質量的光通信傳輸系統有非常重要的意義。
  17. It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation. this paper is mainly focused on carrier recovery technique. we introduce the channel model at cable headed and receiving site. firstly, we introduce the principle of carrier recovery and give some algorithms of them, which are directed - decision, reduced constellation and frequency sweeping

    本論文緊緊圍繞著數字通信系統中的載波恢復技術，在介紹了有線通信系統所用的調制解調通道模型后，首先闡述了載波恢復技術的思想和基本原理，在此基礎上給出了三種載波恢復演算法，即判決導向演算法、簡化星座判決演算法和掃頻演算法，並且給出了其各自的模擬圖：然後深入研究了一種適合高階qam並且能糾正較大頻偏的載波恢復技術：極性判決演算法。
  18. Then we specify and descript a multi - agent system model by four models : organization model, function model, information model, and communication model

    然後從組織模型、功能模型、信息模型和通信模型四個方面給出了這個多agent系統模型的描述和定義。
  19. Communication system model

    通信系統模型
  20. Besides, a demonstration system for a simplified satellite communication system model is implemented in a development platform of borland c + + builder 5

    此外，還在borlandc + + builder5開發環境下，根據上述方案實現了一個簡化模型模擬演示系統。
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