時分傳輸分集 的英文怎麼說

中文拼音 [shífēnzhuànshūfēn]
時分傳輸分集 英文
tdtd: time division transmit diversity
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : gatherassemblecollect
  • 時分 : 時分time:黃昏時分 at dusk; at twiligh; cock-shut time
  1. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中,由於通道的間色散和頻率色散,引起多徑展寬和多徑衰落,前者限制了數據的速率,後者造成短波數據通信中出現突發錯誤,為了解決多徑效應對短波通信的影響,本文所做工作如下:首先詳細析了短波通道的統計特性,建立其數學模型;其次析了擴頻通信的特點,從理論上證明擴頻技術不僅具有抗多徑干擾能力,而且具有離多徑的能力;介紹了統的rake合併技術的特點。
  2. This thesis analyses the demand of the television station for an automatic broadcasting system. we made a systematic analysis by autoptical research and information which we have gotten by all kinds of ways. this systematic analysis is given to the working mechanism of the broadcasting system in the television station, and a new technique solution has been bring out to the automatic broadcasting system of tv station which use the new digital video technology. this thesis also analyses the designing process of the broadcasting part in video automatic broadcasting system. based on the serial port communication theory and network transmission theory, we designed a miniature system ground on mcu to realize long - distance broadcasting and controlling function. we designed a controlling software for this miniature system

    本文析了電視臺對于自動播出系統的需求,在課題研究中,通過在電視臺實地考察和通過各種途徑搜資料,對電視臺的播控系統工作機制進行了系統的析,對利用最新的數字視頻技術的電視臺自動化播出系統提出了新的技術解決方案。同本文析了整個視頻自動播出系統的播出部的設計過程,並在串口通訊理論,網路理論的基礎上,設計了一套基於單片機的小型系統,實現了遠程播控的功能,並為該系統設計了計算機端的控制軟體。
  3. Space - time codes can be divided into tree mainly parts : bell layered space - time architecture ( blast ), space - time trellis codes ( sttc ) and space - time block codes ( stbc ). in this paper, we mainly compare the performance of blast and stbc in many aspects, such as design criterion, transmission rate, diversity gain, diversity combining, bit error rate and channel capacity etc. in this paper, we first respectively analysed the instantaneous received symbol energy - to - noise ratio of v _ blast in the diversity combining methods of maximal ratio combining ( mrc ), equal gain combing ( egc ) and selective combing ( sc )

    Mimo技術核心是空編碼( stc ) 。空編碼主要為三種:層空碼( blast ) 、空格碼( sttc )和空塊碼( stbc ) 。本文主要對層空碼和空塊碼這兩種編碼方式在設計準則、速率、增益、接收合併、比特差錯率和通道容量等方面進行了較為詳盡的研究。
  4. The dh - pci - h black and white grabber finishes the process of transmitting the data, which controlled by the grabber. without cpu, its speeds of which be transmitted be at 40mb / s, and be able to connected with the more parts of the standard or un - standard signals of videos, so it is finished at the data is transmitted in real - time

    採用dh - pci - h黑白圖像採卡,數據的送過程是由圖像卡控制的,無需cpu參與,圖像速度可達40mb s ,能夠與絕大部的標準與非標準視頻信號相連接,實現了數據的實
  5. This system equips material movement transducer on feeding equipment ; meanwhile, it measures main current of double disk cooler ; the former inputs plc switching value ; the latter inputs analog quantity to judge material condition of double disk for avoiding no material or few material but much water feeding

    該系統在加料設備上加裝自行研製的物料移動感器,同檢測雙盤冷卻器的主電機電流,前者入plc開關量採模塊,後者入plc的模擬量採模塊,用以判斷雙盤內的物料存留情況,避免無料或料少水的過加入。
  6. The main purpose of udt is to provide a high performance transfer interface to distributed data intensive ( 集中 ) applications over a wide area network, where tcp seldom ( 很少 ) works well for efficiency ( 效率 ) and fairness ( 順利 , 公平 ) reasons

    設計udt的主要目的是,在出於效率和平穩的因素考慮, tcp很難正常工作,提供一個高性能的介面,用來在公網上,佈數據中的應用。
  7. Before the connectting between moden and other equipments, it works at the cammand mode, the cammand that is send to moden is used to set or manipulate the mode, after the connectting between moden and other equipments, it works at connectting mode, at that time, the cammand send from the computer is send to another computer which will pass the moden and telephone line. the moden control cammand is called " at " cammand, all the control manipulation is realized by sending the ascii character to moden, after the moden received the " at " cammand, it firstly judges the cammand, secondly, it analyses and executes the cammand, finnally, it executes a response by sending back a ascii character, during the deseign of below - computer, we introduce in detail the deseign of system hardware and system software, below - computer system hardware and system software, below - computer is made up of microchip collecting and controlling system, which finish the strobe and water level data collection, display and disposal, deal with the communication with the above - computer, the microchip is the centre of data dealing with, the peripheral equipments are made up of data collecttion module, control cammand input module, display module, execute output module, and long - distance communication module

    在moden控制軟體的設計中,詳細敘述了moden正常工作的幾個重要函數:初始化函數、撥號處理函數、應答處理函數、掛機處理函數,設計並調試了四個函數的通信程序,數據機工作存在兩種模式,命令模式與連線模式,命令模式是針對功能設置的模式,連線模式是數據的模式。當數據機未與其他設備連接,其處于命令模式,這候下達給數據機的指令是作為數據機本身設置或操作用的;當數據機已經與其他設備連接,其處于連線模式,所有在此由計算機送至數據機的信息都將經由電話線送到另一部計算機上。專門使用於控制數據機的指令被稱為「 at指令」 ,對moden的所有操作(如撥號、應答、掛機等)都可以通過給moden發送ascii字元串來實現, moden在收到at命令后,先對命令進行判斷,接著析和執行命令緩沖區中的命令,最後以自身的ascii字元對命令作出響應。
  8. Based on the fast ethernet technology standards, the hardware platform integrates the field analysis facilities, the water quality detecting facilities, boat carried gps and hydrometeorological facilities to a fast boat carried entironment monitoring system. the system realizes the auto collection, pretreatment and distribution of the sample of the marine water, the field collecting, distill, analysis and storage of the monitoring data and sending of the data to land supporting system to finish the producing and rele ase of the information product

    該硬體平臺採用符合internet intranet技術標準的交換式快速以太網技術和星型連接拓撲結構建設船載局域網路,支持局域網上10mbps的數據速度,將現場析儀器、水質檢測設備、船載gps以及水文氣象等設備成為一個船載海洋生態環境快速監測系統,實現樣品的自動採、預處理與配,以及監測數據的現場收、提取、析處理與存儲,同將監測數據實回地面支持系統進行信息產品製作和發布。
  9. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括:狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶成電路、量子光學、遙感、輻射理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積方程、矩量法、域矩量法、周期結構中的電磁波:光子晶體和負折射率。
  10. The paper study correlative technologies of logistics information subsystem microcomputer interlock subsystem and trunking scheduling communication subsystem and design and realize data communication based on trunking technology and bring forward the schemes of how to integrate each subsystems to construct a integrate d automatic job system and focus attention on integrated schemes of date flow closed loop system of each subsystem. the first chapter of this paper gives a brief introduction of industry - mine enterprise steel transportation scheduling job system ' s current status and requirement and correlative components of automatization. the second chapter mainly analyse the components and characteristics of information system in integrated environment

    本文第一章對工礦企業鐵路運調度作業系統的現狀、自動化的需求和相關構成進行了說明;第二章主要就作業系統綜合自動化環境中的信息系統的構成及其特點進行了析;第三章對信號微機聯鎖系統中的有關進路控制過程和綜合作業自動化環境中的進路生成與開放作了較詳細的闡述;第四章析了群通信系統的技術特點、工作原理及在鐵路運調度中的應用;第五章提出了基於群通信技術數據系統設計方案;第六章探討了基於車輛實跟蹤的綜合自動化作業系統各子系統的成方案。
  11. The high speed, real time image capturing system based on distributed is designed in order to resolve the issue of high - speed image capturing in real - time and remote distance transmitting

    為了解決高速圖像的實、遠距離等問題,我們自主設計並開發了散式高速圖像實系統。
  12. System of hydrologic data collection and transmission can automatically collect, transmit and process the real time data such as rainfall, stage and discharge with the latest achievements in communication and computer technology

    摘要水情信息採系統是應用遙測和現代通信技術,實現江河流域降雨量、水位、流量等數據的實、報送和處理的信息系統,它具有數據量小、通信網路佈地域廣以及通信條件比較惡劣等特點。
  13. Measure and control unit adopted 16 - bit, high - speed a / d converter, it can guarantee the speed and precision of alternating sample. the part of communication adopted can bus to transmit the data, it was suitable for real - time control and can guarantee dependability. it adopted the can bus adapter of yan - hua company whose type was pcl - 841 to communicate with processor unit the processor unit adopted industrial pc, which can guarantee the system work well for a long time

    其中下位裝置採用西門子公司的高性能十六位處理器c167cr - lm ,其內嵌can總線控制器便於通過can總線與上位機進行通訊,數據採採用十六位高速a d轉換器從而保證了交流采樣的速度與精度,通訊部採用可靠性高,適于現場實控制的can總線來數據,與上位機介面採用研華公司的型號為pcl - 841的can總線適配器,為保證系統長間可靠運行上位機採用工控機。
  14. The typical peer to peer telecontrol protocol dnp 3. 0 is analyzed on the real time performance of data transmission, the transparency of layered function and the scientificity of frame format definition. the valid classification method and the gathering procedure of telecontrol information are presented so as to improve real time performance of telecontrol information transmission. the rules to be obeyed in program realization are summed up in insuring the reliability of telecommand and teleadjusting

    析了典型對等式遠動規約dnp3 . 0規約中數據的實性、層功能的透明性以及幀格式定義的科學性;提出了一種遠動信息有效類方法和收過程提高遠動信息的實性;總結了為保證遙控和遙調的可靠性在程序實現中應遵守的規則;析了dnp規約間同步中同步誤差的產生原因,並給出了改進方法;提出一種實現遠動技術中參數設置的可行方法。
  15. The function of the wireless data transmitting model is to detach the part of data acquisition from the part of data processing. this kind of design makes the system use easily and enhances the security for the human body

    無線數據模塊,其功能是將數據採與數據處理開工作,利用無線技術使家庭監護系統使用方便,同提高了系統的安全性。
  16. It can be divided into six chapters : 1 ) the manufacture and storage of weapons ; 2 ) the herding, collection and management of steeds ; 3 ) the replenishment and conveyance of the military materials ; 4 ) the construction of the communicating establishments and the transference of martial information ; 5 ) the treatment of the wounded and the sick persons, the supply of medicament and the compensations for those casualties ; 6 ) the collection of military expenditure and the financial administration

    這是論文的主體部,共六章。別考論了當軍械生產與武器儲備;軍馬的牧養、徵和經營管理;衣糧草料補給和軍資轉;通信基礎設施的修建與軍事信息遞;軍隊傷病員的治療、藥物供給及傷亡人員的繕后撫恤;軍費的籌措及其財務管理等主要問題。
  17. The analogy video real - time capturing, encoding, compressing and streaming transfer have been implemented at server end by utilizing windows media encoder sdk to program. the communication between client and server is built by programming with socket. accessing the server, the client can control the video - matrix - control remotely and distributively and real - time reappear the live video

    圍繞系統的設計和實現,深入析了視頻矩陣切換器,實現了視頻通信服務器與視頻矩陣切換器的互聯;運用windowsmediaencodersdk編程實現了服務器對模擬監控視頻的實、壓縮編碼和流式;運用socket編程實現了客戶端和服務器端的通信,通過訪問服務器,客戶端實現了對視頻矩陣切換器的遠程散式控制和現場監控視頻的實再現。
  18. The writer synthesize the technology of computer, wireless data communication, automatic control, ect., based in the cosideration of update communication technology according with the traditional industrial, implement a data transmission channel using gsm short message platform, which can meet the requirements of monitoring, dispersing and non - watching of the monitoring collection points, it is also a monitoring collection system with the features of wide covering by net, non - schedueld and unfixed monitoring, and it has the strong points of low investment and low management cost as well. this system has advantages compared with other systems that should meet the requirements as dispered locations of monitoring collection, wide covering, unfixing monitoring, non - strict demand for real - time

    基於將最新通訊技術融合到統產業中的考慮,綜合計算機、無線數據通訊、自動化控制等技術,作者成功實現了以gsm短消息平臺作為一種數據通道,適合監控採點移動、散、無人值守,具有網路覆蓋面大、可不定動態監控特點的無線監控與數據採系統,該系統具有用戶投資小、運營費用少的優點,對于解決監控採散、覆蓋面廣、監控點移動、實性要求較低的監控與數據採任務具有無可比擬的優勢。
  19. The firmware of ez - usb with the function of collecting, the whole image frame transmission and setting of integral time is established. the usb device driver with the function of downloading firmware and responding usb transmission is established. the applied program with the function of communication and control is established

    編制具有採完整圖像幀並且能夠設置積間的ez - usb晶元固件,具有固件下載、響應usb等功能的usb設備驅動程序,具有通信和控制功能的應用程序。
  20. Prospect teli - monitering system for elevator is prospect s new product. it has confirmed by experts on elevator as high technology products. through photo - electric isolation part, it connects the control circuit and sensors on elevator to collect, analyse the real - time status data

    該產品通過光電隔離與電路控制系統及感器連接,由電梯故障信息採析儀實電梯的運行狀態和有關數據,並對採到的電梯信號進行邏輯判斷,發現故障,將相關數據中繼器。
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