通道模擬器 的英文怎麼說

中文拼音 [tōngdào]
通道模擬器 英文
channel simulator
  • : 通量詞(用於動作)
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  • 模擬器 : emulator
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學型、環境場中的噪聲信號型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響型,產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導系統的總體框架,給出各個具體功能塊組成,討論了聲自導系統對信號的時域與空域處理,並結合程序中陣列信號處理塊,給出固定多波束形成的實現過程; ( 4 )根據系統的型與已建立的流程圖編制了用魚雷自導系統軟體,過網路與控制系統相連,組成完整的魚雷
  2. The paper, which is based on the " research and development of the speed - up train ' s manipulation of optimization and train simulator " project, concerns the sound system in the train simulator. in the paper, the sound system includes two parts contents : firstly, improving the sound effect of the sound simulation system in the train simulator and enhancing 3d sound effect, such as sense of distance, sense of orientation, doppler effect etc, to make the sound of training environment more verisimilar ; secondly, realization of the speech communication in network between teacher and student in the train simulator

    本文是以鐵部科技發展項目「提速列車優化操縱與機車研究開發」為依託,對機車的聲音系統進行研究:第一,對機車中聲音系統的音效進行改進,增加3d音效,如聲音的距離感、方位感、多普勒效應等,使得訓練環境音響更加逼真;第二,實現機車中教員與學員間的語音網路訊。
  3. We also present a low - complexity general channel simulation model for both transmitter diversity case and downlink beam - forming case. finally, we implemented the mimo channel model by dsp, introduced the software and hardware platforms of the channel simulator

    最後,用dsp對所建立的多入多出型進行了實現,並介紹了整個硬體電路板的整體結構,給出了通道模擬器的軟體實現過程。
  4. The basic idea of this method is to produce particles from the posterior densities, and these weighted samples provide approximations to the densities. in this dissertation, sequential monte carlo method and its applications in communication are investigated. firstly, its basic idea, method and improved method are introduced, then induce the bound of particles, which determines the performance of the system, and the more particles are chosen, the higher computation is done, finally, a new detector based on new importance function is proposed, which deals with the joint channel estimation and detection in flat fading channels

    首先介紹了它的基本思想、基本方法、及當前研究現狀;在此基礎上推導出樣本數選擇的界,樣本數的選擇決定了系統的性能,但是若選的太多,計算復雜度也會隨之增大,因而給出這個界是十分有意義的;最後提出了一種基於新的重要函數的檢測用來解決平坦衰落下的聯合估計和檢測問題,並證明了我們提出的新檢測的有效性。
  5. Research and realization of 3 - channel - stereo visual simulation system in marine engine simulator

    立體投影輪機視景系統
  6. There are many factors must be desided such as width ; depth ; ship ' s turning area ; ship ' s stop distance during the design of shanghai deep - water channel. very large container vessels. navigating at the channel with the affections certain wind, currents, seas and other influences, may cause more huge damage and expenditures for the accidents without safety operation. some date for channel design to very large container vessels has been gone beyond in " design code of general layout for sea port " and needs to replenish, modify. the purpose of this study is : to choice the ship form, mainly ship ' s overall size ; draft, according to design of shanghai deep - water port and development of container, then to get the date of width and depth of channel through simulator tests

    對8000teu 、 5250teu超大型集裝箱船舶的航寬度設計已超出了該規范的規定范疇,急需補充甚至修改。本課題研究的目的是根據洋山深水港設計規劃和集裝箱船舶的發展趨勢,過研究、分析、比較,選擇最合適的船型,尤其是船舶主尺度和船舶吃水。在此基礎上,採用船舶操縱進行航行研究,在大量研究情況下,得出進港航所需的航寬度和深度。
  7. Scatter channel simulator

    散射通道模擬器
  8. With the use of new mcu p87c591, as the techiniques of serial communication and negative display of lcd, the dashboard has a very beautiful apearence and the system is simplified. not only the analogy signal and the pulse signal can be sampled into the instrument, but also the datum on the can - bus should be transferred into the system whit the connection to the in - vechile network. under the guindance of the idea of " informatic design ", the digital lcd dashboard system is developed, and the professional manufacturer of lcd display device is directed to develop and to design the special lcd module, by which the new lcd production is greatly optimized. all these intentions bing about a very well goal

    在研製數字液晶儀表過程中,應用了新型單片機p87c591 、串口驅動技術和負顯技術,使該數字液晶組合儀表結構簡單,視覺美觀,既可以、數字測量車輛傳感的信號,又具備接入車輛總線、從can總線上獲得相關數據的能力。在項目開發過程中,運用「信息化設計」的觀點開展液晶顯示塊的開發和設計工作;並根據軟體工程的原則,優化了液晶塊的電路設計,使該項產品的開發取得了好的效果。
  9. This paper introduces the basic theory, structure, data transfer protocol of ds2450 1 - wire quad a / d converter, and the application of four channel digital storage oscilloscope

    摘要介紹了ds2450單總線四轉換的基本原理、結構、數據傳送協議,以及在四數字存儲示波中的應用。
  10. The baseband processor and system controller interface in wireless communication, which is utstarcom, the center of researching wireless communication software a part of data transmission passway of simulator of user equipment

    無線信中基帶處理與系統控制介面是ut斯達康公司無線信軟體研究中心設計的userequipment中的數據傳送的一部分。
  11. We put the emphases on the soft output viterbi algorithm ( sova ), which is one of turbo code ’ s decoding algorithms, and presents the derivation and computation step of the sova decoding algorithm. after presenting sova and map decoding algorithms and analyzing four kinds of decoding algorithms, the paper makes a comparison among the different decoding algorithms by emulation analysis, and analyzes the time complexity of various algorithms, and then contrasts them. in the last part of this paper, according to the criterion recommended by the consultative committee for space data systems ( ccsds ), including code rate,

    根據空間數據系統顧問委員會( ccsds )為turbo碼應用於深空信系統推薦的標準,包括碼率、碼塊大小、分量碼類型、約束長度、碼生成多項式,以及交織的選擇等參數的建議以及sova譯碼演算法的理論基礎,設計了sova演算法的實現結構,驗證了本文所採用的turbo碼的性能,從而證明turbo碼確實是一種很好的糾錯編碼方式,它適用於要求功耗低或信噪比低的深空信系統中。
  12. It is expensive to experiment on hired real satellite link in formulating satellite communications system and researching transceiver. satellite channel simulator can simulate transmission characteristics of electromagnetic wave close to real channel environment

    衛星通道模擬器接近真實環境的電波傳輸特性,用於設備研製過程中的測試,將會顯著降低研發成本。
  13. The researches start from the theory of radio scatter, highly generalized the communication terrain and other conditions in some parameters. the digital simulator frame has many distinct advantages such as programmable, various fading model and channel type that can be design freely by user

    方案具有可編程、衰落型可變、類型可變以及可設計出用戶自定義的類型和衰落型等優點,擺脫了以往設計中使用經驗分佈和經驗公式的作法。
  14. Hf channel simulation and characterization of hf channel is described in this paper

    本文主要討論了高頻的傳播特性和高頻通道模擬器與實現。
  15. According these points, configuration and arithmetic is presented, and result which is simulated in computer is contented. dual - cpu system ( tms320c3x and aml86 ) is selected as fareware environment of simulation, in which high - speed logic calculation of dsp ( tms320c3x ) and controlling capacity of aml86 is utilized well. design of hf channel simulation is realized in the fareware system

    在硬體設計上,我們選用了雙cpu ( tms320c3x和am186 )系統作為我們的硬體平臺,充分利用了dsp的高速運算功能和am186的協調控制功能,在此平臺上實現了高頻通道模擬器的設計。
  16. The source drain extension ( sde ) structure and its reliability are thoroughly studied. first, it is shown that the sde structure can suppress short channel effect effectively and the parasitic resistance at the sde region has an effect on performance. it is proposed that increasing the dose condition in the sde region can reduce the parasitic resistance and should be adopted to achieve high performance for deep submicron devices

    本文對深亞微米源漏擴展mos件結構及其可靠性進行了深入研究,首先驗證了源漏擴展( sde )結構對短溝效應的抑制, sde區寄生電阻對件性能的影響以及sde區摻雜濃度的提高對件性能的改善,指出了件尺寸進一步減小后,提高源漏擴展區摻雜濃度的必要性。
  17. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱管子相間地套上螺旋折流片以產生旋渦流動.研究型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的,利用fluent軟體對該上述四管型的流場和溫度分佈情況進行了數值;分析了四管型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱將會在許多工業領域有良好的應用前景
  18. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱管子相間地套上螺旋折流片以產生旋渦流動.研究型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的,利用fluent軟體對該上述四管型的流場和溫度分佈情況進行了數值;分析了四管型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱將會在許多工業領域有良好的應用前景
  19. Then critical technologies of simulation system are discussed, including frame processing structure, fh sequence generator, simulation models of path loss and multipath channel, simulation of signal propagation delay and jamming signal etc

    其次,討論了系統實現的關鍵技術,包括幀處理結構、跳頻序列發生、路徑損耗與多徑型、信號傳播延時及干擾信號的等。
  20. Simulator presented in this paper provides a direct interface for the test of shortwave communication system, which well represents various features of hf channel such as multi - path delay, rayleigh fading, doppler shift, doppler spread, gaussian noise and impulsive interference, etc. in order to realize the channel simulation for the intermediate frequency signal, we, inspired by the idea of soft - defined radio, bring forward a new design method that the channel simulator consists of several dsp chips

    本文研製的提供介面直接對短波信系統進行測試,能夠全面反映短波的多徑時延、瑞利衰落、多普勒頻移、多普勒擴展、高斯噪聲和脈沖干擾等特性。為了實現對中頻信號的,開發出一個結合軟體無線電思想的由多個數字信號處理晶元構成的短波物理
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