鍵控傳輸 的英文怎麼說

中文拼音 [jiànkòngzhuànshū]
鍵控傳輸 英文
keyed transmission
  • : 名詞1 [機械工程] (使軸與齒輪、皮帶輪等連接並固定在一起的零件) key 2 [書面語] (插門的金屬棍子)...
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : 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...
  1. After elaborating the principle of an 802. lib key modulation scheme - complementary code keying ( cck ), this paper proposes and realizes a hardware circuit solution of 802. 11b pcmcia wlan interface card, which can reliably offer a maximal 11mbps data rate and freely switch within 14 working channels in 2. 4ghz frequency band

    接著在詳細闡述了802 . 11b協議核心調制技術?互補碼( cck )的原理的基礎上,本文提出並實現了一種峰值速率為11mbps的802 . 11bpcmcia高速無線網卡的硬體電路設計方案,在2 . 4ghz頻段該網卡可在14個工作通道上自動切換,實現高速突發數據的可靠
  2. Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images

    本論文在設計圖像監系統的建設目標和總體方案的同時,重點闡述了圖像處理、通信與識別技術在遠程圖像監系統中的應用實現,給出了圖像監系統中的終端接入和框架設計、雲臺解碼制與報警、圖像通信和圖像跟蹤等關技術的實現。針對現有的圖像監系統大部分採用人工為主,機器為輔,智能化程度低,不能全天候工作的現狀,本文採用先進的數字圖像壓縮編解碼技術、數字圖像技術,將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤,克服了一般監系統要求監人員過多地干預、智能化程度低的缺陷,並總結了其特點和優勢。
  3. Following notebook computer being used broadly in field detectiong, peripheral which have usb interface are prepotent more and more. the ultrasonc flaw detector we ' re designing will be connect with notebook computer in field detection, so we elect usb interface to accomplish transmission between detector and pc. the article not only introduces basic knowledge about usb briefly and gives detailed develop process of usb peripheral and flow diagrams of usb controller, but also operating against our device ' s functions, gives develop process of device driver and important api function being used. in addition, an exclusive interface being used to control and display is designed

    我們所設計的探傷儀外置盒在現場作業時是與筆記本電腦相連接的,因此選用usb介面來實現數據在探傷儀外置盒與pc機間的。這里簡單的介紹了有關usb介面的基礎知識,給出了探傷儀usb介面的詳細開發過程及usb制器的程序流程圖,並且針對于本儀器要實現的功能,給出了pc機端的設備驅動程序開發過程及關的api函數調用程序。此外這里還設計了一個專用的制及顯示界面。
  4. The basic characteristics of the current data network are point - to - point, connectless, doing one ' s endeavor, no quality of service, etc. these characteristics do not meet the requirement of real - time services, therefore, the realization of voip need support of the some key technology. these technologies includes : speech sound coding and data compression, real - time transmission and control, mute compression and multicast, acoustic - echo cancellation and comfort noise generator, dynamic monitor and guarantee of quality of network service, as well as, the compatible of different network and different protocol with each other

    但現有的數據網路的基本特性:點對點的、無連接的、盡力而為的、沒有服務質量保證等特性並不適合與實時的業務要求,因此voip的實現需要一些關技術的支持,這些技術包括:語音編碼和壓縮技術、實時制技術、組播技術、靜音壓縮和舒適噪聲生成技術、回聲消除技術、網路服務質量的動態監測和保證技術、以及不同的網路、不同的協議之間的互連互通等等。
  5. Further more we build the control command channel based on tcp protocol to assure the credibility transmission of the control command and approve the transmission performance of multimedia data. the education functions of this project include screen image broadcasting, electron roll calling, electron raising hands, net cinema, file transmission etc. in order to increase the interactive function, the net - classroom teaching control protocol ( ntcp ) was extended by locking, unlocking, remote shutting down and remote restarting etc

    在強化教學功能方面,增加了包括電子白板,電子舉手,網上影院,文件等實用功能,並對原有電子點名、鎖定盤鼠標等功能做了進一步的改進。在交互制方面,進一步擴充了原有網路教學制協議( ntcp ) ,實現了鎖定,解鎖,遠程關機,重啟等交互制。
  6. Ip voice gateway is a node between the communication control unit and the server of trunking system in trunking system network. its duty is digital compress coding and packetization of the voice in trunking system. it located on the edge of the network and accessed the trunking system into ip network from the kernel network angle

    語音網關作為集群通信系統ip聯網的關設備,它處于集群系統話路制單元和集群系統服務器之間,起著語音壓縮、分組的重要作用;從網路的角度來看,它處于ip網路和集群無線通信系統之間,把集群通信系統接入ip網路。
  7. In the second chapter, this paper explains in detail the principally technic about how to implement this system, include the video media compress tech, the network protocol and the network program socket ( the winsock programimg ). in the third chapter, this paper summarizes the whole designing outline of the remote monitor system

    本文對基於網路的多媒體遠程監系統的設計實現中所涉及的關技術難點進行了深入的分析研究,具體包括:各種圖像壓縮技術;各種網路協議、網路編程技術。
  8. It realizes the functions of storing and transferring the information of fire alarm, displaying time, scanning keyboards, the safe maintenance of system and so on. the part of wireless communication is controlled by at89c2051 mcu, mainly realizing transmitting and receiving data between controller and other detectors. the external signals received by a wireless module are transmitted to mcu through shaping circuit, and the signals of mcu are transmitted by a wireless module through tone modulation circuit

    人機交互部分以單片機c8051f020為核心,為用戶提供一個良好的操作環境,實現了火災報警信息的存儲及調用、時間的顯示、盤的掃描、系統的安全維護等功能;無線通信部分由單片機at89c2051來制,主要實現制器與其它探測裝置之間信號的無線發射和接收,無線通訊模塊接收到的外部信號經過整形電路送入單片機,單片機發出的信號經過音頻調制再由無線通訊模塊發送出去,這樣實現了數據的無線;本文還從節能的角度出發,兼顧性能的可靠性,提出了一種合理的無線火災報警的信息模式。
  9. It must be appreciated and accepted in telecom market, due to its advanced technology reliable performance and high cost performance. a series of technical key problems have been solved, mainly f an overal exhaustive design of the 128k switching network system was presented based on 4k net - chips, with our own intellectual property a 3 level 64k switching net was successfully designed, in which the tlevel consists of l6 4k net - chips and the s - level consists of a self designed single vlsi fpga chip with 560 pins. an optical net interface and an optical multiplexer were designed to carry out the voice transmission and distribution of l28, 000 users

    在研究開發過程中,解決了一系列的技術關問題,主要有:提出了基於有自主知識產權的4k網片的128k網路系統的總體設計方案;研究設計了tst三級結構64k交換網,其中t級含有16片4k網片, s級由自行設計的、 560pins的、單片大規模fpga實現;研究設計了雙機雙網雙余度的通信制處理器系統,實現了對用戶呼叫、 tst各級網路的制、報警等各種功能;研究設計了光網介面oni和光復用器omux ,實現了12 . 8萬用戶話音的分配。
  10. According to this requirement, the railway mobile digital communication system based on the gsm system for mobile communication is put forward in this paper to accomplish the data transfer between the control center and the locomotive. in this paper, the design of the ms ( the mobile station ) and the erected bs ( the base station ) out of the gsm cover is carried out. last we discuss the key techniques of the railway mobile digital communication system, the handoff and the error _ correct coding

    本文針對這種要求,在gsm移動通信系統的基礎上提出了建立電力機車移動數字通信網以實現機車與制中心之間的數據的方案,設計了系統中車載移動臺、 gsm覆蓋區外自建基站的基本構造,分析了系統中越區切換、糾錯編碼等關技術,並詳細的闡述了其實現方法。
  11. This system makes people fell convenient in looking for data, try my best to our environment protection. the following problems and related solutions are given in this paper : data structure suitable for web computing multi - user access and concurrent control mechanism in webgis network protocol and intelligent information agent of spatial information spatial information security in web computing environment web integration strategy of spatial information based on metadata architecture of webgis at last, the development trend of webgis is discussed

    通過論文工作提出了以下幾個問題並給出了相應的解決方案適合web計算的數據模型webgis中的多用戶訪問與並發制機制空間信息的網路計算策略與實施方案及關演算法空間信息的網路協議與智能空間信息代理web計算環境下的空間信息安全性問題基於metadata的空間信息web集成方案與智能空間搜索引擎webgis體系結構最後,論文對webgis發展趨勢進行了探討。
  12. The forming of signals, such as those employed in telegraph transmission, by the interruption of a direct current or modulation of a carrier between discrete values of some characteristics

    斷開或接通直流電路或者在具有某些特點的離散值之間對載波進行調制而形成信號的過程和方法。如電報中使用的就是法。
  13. According to the trend, this paper introduces the technology of database and pc ' s serial port communication, which is adopted as the technology premise of wireless surveillance control system. and it illustrates the key technologies of how to realize the wireless surveillance control system. by making full use of its possible expansibility, flexibility and pervasive applicability, as well as the serial port communication technology, scada could help to transmit batch of data effectively, extend the ascii code serial port communication processing in the mscomm components and transmit the large - scale data stream

    針對這一趨勢,論文在介紹了作為無線監軟體系統的技術前提的數據庫技術和微型計算機串列口通信技術的基礎上闡述了實現無線監軟體系統的各項關技術,對利用數據庫系統對數據結構間的關系的嚴格定義和約束實現系統的可擴展性、靈活性與普遍應用性、利用計算機串列口通信技術實現批量數據、實現了數據的有效遞、 mscomm制項中擴展ascii碼的串口通信處理和大型數據流的等項技術作了詳盡地說明,並對已完成的系統作出了評價,提出可以進一步改進的意見。
  14. High speed uplink packet access ( hsupa ) is a new work item of technical specification release 6 in 3gpp. wcdma system. the techniques of this work item, i. e. node b controlled scheduling, hybrid arq with chase combining, shorter tti, are to improve the performance of uplink dedicated transport channels, i. e. to increase capacity and throughput and reduce delay

    在hsupa中通過採用基站nodeb制調度、結合了軟合併的混合自動重請求( harq ) 、更短的時間間隔( tti )等關技術,不但增強了系統容量與覆蓋還使用戶設備( ue )能獲得更大的上行吞吐、更小的延時。
  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送方式、數據形式和差錯制技術進行了分析,研究了港口無線通信系統中的方式、拓撲結構和網路標準等關技術,選取直序擴頻方式、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. Concretely, on the basis of describing the communication specification of arinc 429 with enhanced parallel port ( epp ), the standard and the module application of dsp and cpld, the thesis has proposed the design of the arinc 429 technology based on dsp system. at first, the function and the application of each module of the system and the operation principle of high - performance cmos bus interface circuit hs - 3282 chip which forms the main body of the data diversion of the interface module are introduced. secondly, the hardware structure of the interface module is described in detail, mainly including data latch and buffer circuit, choice circuit of transmission rate, etc. and then the design philosophy and flow charts of the software are fully discussed, such as the basic requirement of software, the design and realization of the function

    本文在簡單的論述了pc並口協議( epp )與dsp之間的通信方法、 cpld模塊邏輯制應用和arinc429的通訊規范的基礎上,給出了基於dsp的arinc429通訊介面的設計方案:對通訊板中各模塊的功能和應用以及構成數據轉換主體的總線介面晶元hs - 3282的工作原理做了說明;介紹了本設計所用的dsp和cpld的功能概況;詳細敘述了通訊板介面模塊的硬體結構設計,其中,對數據緩沖電路、數據速率選擇電路、邏輯制電路等各關點做了重點介紹;具體闡述了軟體設計思想及流程圖,包括軟體的基本要求和功能的設計與實現;接著從埠譯碼單元、 i / o通道、電平轉換電路等方面進行了介面模塊的軟、硬體調試;最後,給出了測試結果,對研製工作做了總結,對本設計的優缺點各做了評述。
  17. First introduces hardware platform of mine monitoring system that adopt embedded pcm - 3350 to be as main controller, big - capability memorizer cf card as memories, 10. 4 inch lcd liquid crystal screen as display, pcm - 3612 as communication extend cell ; rs232 and keyboard as i / o interface to realize data dispose, storage and transport function, and so on. then introduces some basic concept and core character about embedded operating system windows ce. at the same time, the paper has a detailed introduction about platform - configured tool platform builder of mbedded operating system windows ce and a detailed narration abut the whole process of configuring the embedded operating system base on yanhua pcm - 3350, then the paper depletes the characteristic function and system framework of embedded configuration software mcgs generally and introduces the design process about configuration software of mine monitoring - control system ; at last, the paper introduces main function of rk512 communication protocol that can ensure reliable communication with controller plc of bottom machine

    首先介紹了硬體平臺的搭建:採用嵌入式pcm - 3350作為主制器;大容量的存儲器cf卡作為存儲設備;採用10 . 4寸lcd液晶屏作為顯示設備; pcm - 3612作為通信擴展單元;用rs232和盤作為i o介面來實現數據的處理、存儲和等功能;然後又介紹了嵌入式操作系統windowsce的一些基本概念、核心特性,同時對嵌入式操作系統windowsce的平臺定製工具platformbuilder做了一些介紹並詳細敘述了使用platformbuilder定製基於研華pcm - 3350的windowsce操作系統的過程;接著概括敘述了可運行在windowsce上的嵌入版組態軟體mcgs的特點、功能、體系結構並詳細介紹了礦山檢測系統的組態軟體設計過程;最後介紹了能夠與下位制器plc可靠通訊的rk512通訊協議的主要函數。
  18. This dissertation analyzes detailed research about some key technology and security policy, such as secure saving and getting between agents, secure communication between agents and hosts or agent proxy servers, mobile agent self - safe, safe transfer and control and timestamp, md5, dsa, identity authentication, digital signature etc. the insecure, single problems are resolved gradually, the whole safe framework needs to synthesize the consideration and form further

    由於很多安全問題之間也有相互制約,只能根據實際情況,找到最適合實際需要的安全策略。接下來對某些關技術,諸如移動agent之間, agent與主機、代理服務器之間的安全存取資源,移動agent自身保護,安全地制,安全的通信,時間戳技術,消息摘要,數字簽名身份認證等安全策略,進行較詳細的剖析研究。
  19. This kind of mes applied the real - time runtime - state collection technology, numerical control ( nc ) program transmission technology, different nc systems integration technology, workshop workflow - recombination technology, and system - reconfiguration technology

    在關技術方面採用了運行狀態實時採集技術、數字製程序技術、不同數系統集成技術、車間工作流程重組技術和系統可重構技術等。
  20. In the future, we will increase the number of the frequency - hopped sub - bands. it will solve the inter - symbol interference ( isi ) perfectly. then the system will be used on the test out of labs

    后續的工作只要把十六進制改為八進制(此工作不難)的數字頻移鍵控傳輸系統,藉以提高跳頻的子帶數目,即增加跳頻點,可期適于海上的應用。
分享友人