進出通道系統 的英文怎麼說

中文拼音 [jìnchūtōngdàotǒng]
進出通道系統 英文
ingress-egress system
  • : 進構詞成分。
  • : 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) ...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 進出 : 1. (進來和出去) pass in and out; get in and out 2. (收入和支出) receipts and payments; turnover
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. At the same time, combining the electrostatic measurement principle and the actual working conditions of pneumatic pipelines, the author puts forward the design principle in theory and finishes the devising, executing, debugging, experimenting and analyzing the experiment phenomena and results, testing the feasibility of the electrostatic sensor to be used in the measurement on the mass flow rate of the coal paniculate. furthermore, with the debugging and experimenting of the system, the author improves the electrostatic sensor and its signal collecting system gradually according to the problems, and makes the performance of the system to be enhanced remarkably

    同時,作者結合靜電測量原理以及氣力輸送管的實際工況,從理論上提了靜電傳感器的設計依據,完成了靜電傳感器及其信號採集的設計、製作、安裝、調試和實驗,分析了實驗現象和結果,驗證了靜電傳感器用於煤粉質量流量測量的可行性,並且調試和實驗,針對發現的問題對靜電傳感器及其信號採集不斷地行了改,使其性能有了顯著地提高。
  2. Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country

    本文介紹了飛機電力線載波數據的結構,並對低壓電力線的特性行了分析;對qpsk調制演算法及均方根升餘弦低濾波演算法行了詳細論證;設計基於qpsk的調制解調模塊,並在此基礎上,研製以dsp和cpld為最小的調制解調硬體電路板,開發了調制解調模塊電路板的應用軟體程序。
  3. There are many decoding schemes for convolutional code, such as sequence decoding algorithm, fano algorithm, viterbi algorithm. but in fact, what ' s used widely is viterbi decoding algorithm. the viterbi decoding algorithm, proposed in 1967 by viterbi, is a decoding process for convolutional codes in memory - less channel, which takes full advantage of convolutional codes. since viterbi algorithm is proposed, it has obtained rapid development whether in theoretics or in practice and been applied to all kinds of data transmission systems, especially to digital wireless communications and deep space communications

    卷積碼的譯碼演算法方案有很多,如序列譯碼演算法、 fano演算法、 viterbi演算法,但是真正大規模應用的還是viterbi演算法。 viterbi譯碼演算法是1967年viterbi提的,它是一種對無記憶卷積碼行譯碼的演算法。它充分發揮了卷積碼的特點,因而自viterbi演算法提以來,無論在理論上還是在實踐上都得到了極其迅速的發展,並廣泛的應用於各種數據傳輸,特別是無線信和衛星中。
  4. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重載路路面設計中所存在的問題,從重載交特性發,收集分析了國內幾條重載路的交及軸載組成情況,根據重載交的特點,分析原有荷載圖式的不足,提了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,過對重載路面軸載換算公式的一步研究,分別提了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交參數、材料參數及結構組合等方面行探討,地提了重載路面的設計方法,並使之有效地運用到工程實踐中。
  5. Abstract : using a series of model tests, the properties of discharge capacity in the closed conduit due to inflow in gate shaft is studied and a method for estimating reducing discharge capacity is provided to designers

    文摘:模型試驗,研究了泄水口閘門井水減小泄流能力的特性,並提了估算方法,可供設計應用。
  6. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧內的氣流看成是理想流體的一維恆定流動,過對二郎山特長公路隧半橫向建立隧內的空氣動力學模型,利用計算機行數值分析與計算,得發生火災時,不同風阻力條件下隧中的風速分佈及流量分佈,並過實驗室隧模型實驗行驗證與修正,依據研究結果給了二郎山半橫向風隧的火災控制方案,從而解決了二郎山公路隧風對火災的控制問題,同時為半橫向風公路隧的火災風提供科學的方法。
  7. 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信的原理、自編碼擴頻序列的產生方法及其特性和擴頻編碼同步的理論,然後針對自編碼擴頻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、瑞利衰落和多址干擾情況下行了模擬,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。
  8. The hydropower station has occupied the very important position in improving chinese energy sources construction, and with the increase of the size of the hydropower plant, its ventilation and air conditioning systems will be more complex

    水電站地下洞室群在風時,是一個由交洞、廠房、母線洞、主變洞、風洞、排風洞等洞室以及各專門布設的送排風管組成的
  9. Corresponding to the correct water hammer mathematic model ( 3 ), the character difference equation is by comparing the new mathematic model with the old mathematic model, the last calculative part of paper argues the falseness of the current water hammer mathematic model, makes use of the improved character line method to analyze the correct mathematic model ( 3 ), studies all kinds of facts " impact on water hammer pressure value and water hammer phenomenon attenuation, points out that, in the long pipeline system, the subarea calculation of head loss along with flow rather influences the calculative results of water hammer pressure, advices to take the subarea calculation of head loss along with flow into account in the water hammer calculation of the long pipeline system

    對應于正確的水擊數學模型( 3 )的特徵差分方程形式如下c ,弓+吼川一c ,唱一幾弓扮幾rv另卜川= o幾代+吼川一幾唱一吼嶸{一c :腳丸}唱} ? 「本論文在最後的計算部分,過對新老數學模型的數值計算比較,一步論證了當前水擊數學模型的不正確性。並且應用改善了的特徵線法對正確的數學模型( 3 )行了計算分析,研究了各種因素對水擊壓強值和水擊現象衰減的影響,指在長管中,沿程水頭損失的分區計算對水擊壓強的計算結果影響較大,建議在長管的水擊計算中應按分區行沿程水頭損失的計算。
  10. The paper studied the angent - based traffic control system, put forward the agent - based traffic control system framework and the agent ’ s calculation model, analyzed the integration of traffic control system and road pricing technique, dynamic information collection system, built the integrated model of traffic control and traffic flow guidance, simulated the integration effect based on cellular automata. the paper involves six chapters : chapter one : introduction. it summarized the development process of urban traffic control technology and put forward the future direction of traffic control : intelligence and integration

    信號控制路定價技術、動態信息採集、交流誘導等智能交的集成已成為研究熱點,本論文在總結交信號控制與路定價技術集成、與動態信息採集集成的研究成果基礎上,提了交信號控制與可變信息顯示交流誘導集成的數學模型,並基於元胞自動機對集成效果行了模擬。
  11. Supported by the theory of transaction cost, the theory of modern corporate institution, the theory of modern finance, the theory of smb and innovation, guided by systematic considerations, and with the study of the experiences from japan, usa, korea, taiwan, the research is being advanced. here, the financing supportive system for smb is constructed, including financing system and credit guarantee system mainly, considering the reality, the future and the safety and the forward and backward avenue for finance capital

    本研究藉助交易費用理論、現代企業制度理論、現代金融理論、中小企業與創新理論,並且以化的思維為指導,借鑒日本、美國等發達國家發展中小企業的經驗與教訓,立足我國中小企業融資的現實與未來,在發展中小企業的同時力求有關資產的安全等角度設計了以中小企業融資體和信用保證體為主要支撐的中小企業融資支持體,并力求疏相關資本的
  12. According to request that military put forward, the target car that subject research should have such characteristics as remote control, high precision, good safeguarding, needing no track, etc, so as to achieve purpose of course require correctly when training to carry on cannon static to static, static to move, move to static, move to move etc. target car transfer speed require low inertia, high accuracy, high dependability, stupid and getting excellent and kind systematically ; wireless communication system expect much dependability, better anti - interference ability ; computer control system demand and try one ' s best to adopt advanced technology, components and parts source of goods reliable, high dependability, structure to be simple, have serial communication, digital display, systematic trouble examine and function of showing etc. the job of this thesis is divided into three major parts : the proposition and confirming of the electric power pulls, specification requirement and selecting type of equipment of communication system, sureness of the computer control system scheme

    根據軍方提的要求,本課題研製的遙控坦克靶車應具有遙控、精度高、維護性好、無軌、自帶動力等特點,以達到訓練時行火炮或導彈靜對靜、靜對動、動對靜、動對動設擊等課目的要求。靶車調速要求低慣性、高精度、高可靠性、魯棒性好;無線要求高可靠性、抗干擾能力強;微機控制要求盡量採用先技術、元器件貨源可靠、高可靠性、結構盡量簡單,具有串列訊、數字顯示、故障自檢及顯示等功能。本文的工作分為三大部分:電力拖動方案的提及確定、對的技術要求及設備選型、微機控制方案的確定。
  13. Considering space environment of laser atmospheric communication, the thesis analyses issues of atmosphere turbulance and interference of background light noise during the course of transmission, furthermore, discusses the structure and basic constitute of the laser atmospheric communication system. combining the technical index requirement of the subject, it provides design scheme and circuit of the transmitting and receiving system

    論文從激光大氣信的空間環境發,對光信號傳輸過程中中的大氣湍流和背景光噪聲干擾問題行了分析,並在此基礎上論述了激光大氣的結構和基本組成,結合課題的技術指標,給了發射和接收的設計方案及其電路實現。
  14. ( 3 ) a blind channel estimator based on the aid of pseudo - pilot - symbols ( pps ) is proposed in term of the two characters of ofdm system : the finite alphabet property of information symbols and independent property between subchannels

    ( 3 )利用ofdm傳輸的信息符號為有限字符集和各子載波的相互獨立特性,提了用偽導頻符號( pps )的盲估計演算法。
  15. A modified real signal model of channelized transmitter is presented that employs multiphase filters and discrete fourier transform to maximize computing efficiency, which can mean much in a radio communication system that requires real - time processing

    特別提了改的實信號化發射機數學模型,過利用多相濾波與離散傅立葉變換,減少信號處理運算量,這對于強調實時運行的無線有重要意義。
  16. All over the world a lot of interrelated research indicate, some problems are confronted and left unsolved in practical circumstances, and theory analysis, so thorough and systematic research on it is necessary, these problems include model split, how to decide threshold of tia and study area, the los for road and intersection, trip generation and distribution, trip assignment etc. because the precondition and situation for tia in abroad are very different from inland, if the overseas tia methods will be applied inland, there must have a series of problems

    國內外大量相關研究表明, tia在理論和實際應用中都碰到一些有待解決的問題,這些問題包括行的方式劃分、 tia閾值及影響范圍的界定、路及交叉口的服務水平、交生成和分佈、分配等,需要從理論上對其過程和方法行深入、的研究。由於國外tia的前提和條件與國內有很大區別,國外tia方法在國內的應用存在一列問題。
  17. The thesis makes and works as follows : at first, established the mobile channel model, through the analysis of the mobile channel characteristics ; the second, proved the advantage of ofdm througth comparing several parallel technologies, and implanting the ofdm technique in the mobile communication system modulator ; then, this thesis gived the baseband transmission architecture of ofdm mobile communication system and established the model of ofdm mobile communication system. at last, the thesis gives a brief introduction of the design of the hardware platform for the wireless communication system as well as the data transmission flaw

    以下是本文所作主要工作:過分析移動的特性建立了移動模型; ofdm技術與傳的并行傳輸技術相比,具有很大的優勢,結合建立的移動模型,將此技術應用在移動之中;在對ofdm技術基本原理行分析的基礎上,對ofdm移動行建模與模擬分析:最後,給了詳細的ofdm移動發射機和接收機的原理框圖,提了一套基於dsp & fpga的ofdm移動硬體平臺設計方案。
  18. Because of the affection of noise and signal fading, in order to high data rate access and high quality, wireless communication need new technology to improve the link reliability and enhance the spectrum efficiency. mimo ( multiple input and multiple output ) can enhance the spectrum efficiency and increase channel capacity greatly, and reduce the multipath affection without spectrum band and power increasing. the 3th generation mobile communication wcdma is coming, with the purpose of putting mimo, stbc ( space time block coding ), space diversity into practice of wcdma systems, in order to lay the foundation of 3g toward 4g, this dissertation has done some research under this background

    在發射機和接收機使用多個天線行數據傳輸的多輸入多輸( mimo )技術,可以在不增加帶寬和天線發送功率的條件下,成倍的提高頻譜利用率,提高容量,還可以抗多徑干擾。第三代移動信wcdma即將到來,為了將多天線技術( mimo ) ,空間分集技術,空時編碼技術用到wcdma中去,為第三代移動信向第四代移動平穩過渡奠定一定的基礎,需要做一些理論上的研究。
  19. Available with an extensive combination of inlet / outlet sizes, types of thread, and end connections ? including retrofit compression fittings and hose connections ? the series 7 can be installed in a variety of piping configurations, and in conjunction with a wide range of meter horns, copper setters, and meter boxes

    可提供更多種口/徑、螺紋類型,以及連接方式-包括改的壓縮接頭和軟管連接-列7可以安裝在更多種管上,可以連接更多種類的儀表、銅定位器,以及儀表箱。
  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

    本文研製的模擬器提供介面直接對短波行測試,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模擬,開發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模擬器。
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