數字多路復用 的英文怎麼說
中文拼音 [shǔzìduōlùfùyòng]
數字多路復用
英文
digital multiplexing- 數 : 數副詞(屢次) frequently; repeatedly
- 字 : Ⅰ名詞1 (文字) character; word 2 (字音) pronunciation 3 (字體) form of a written or printed ...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 復 : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 數字 : 1. (表示數目的文字; 表示數目的符號) figure; digit; numeral; character; numeric character 2. (數量) quantity; amount
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Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。The multiplexer which is used to multiplex and demultiplex the digital tone and low speed data in a channel is the key transitting e - quipment in the electric power transitting system
實現數字話音和低速遠動數據二者在一條通信通道上的多路復用和解復用器,是電力通信傳輸系統中的一項關鍵設備。Dvb / mpeg - 2 transport stream multiplexer / demultiplex takes an important role in digital video broadcasting system. it can combine several transport streams from source encoder into a single transport stream to transport channel, or demultiplex trasnsport stream into one program sorce to source decoder. its performance has a great influence on the program transmission ability of hdtv system and the decoding quality of decoder in hdtv receiver. mpeg - 2 system multiplexer signalized video, audio, host data and so on to fixed length packet type for making transport stream
Dvb mpeg - 2傳送流復用解復用是數字電視廣播系統中的重要組成部分之一,它將從信源編碼器輸出的多路節目源復用成一路傳輸流送入傳輸通道,或者從通道中包含多路節目源的一路傳輸流中解復用出一路節目送到解碼器解碼。In the whole system, the digital tv ( dtv ) front - end is an important part in the tv digitalization, and many key digital equipments and technology are introduced in it, like digital satellite receivers 、 mpeg - 2 digital encoders 、 ts multiplexers 、 digital modulators
在整個數字電視網路系統中,數字電視前端是電視數字化的重要環節之一,它包括了許多關鍵性的數字設備和技術,例如數字衛星接收機、 mpeg - 2數字編碼器、傳輸流復用器、數字調制器等。And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion
論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護間隔技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。Today, as the development of informationization of " digital fujian " and broadband network construction, how to set up an information sharing platform to offer hospitals to share information and store equipment using the performance of wide - band network, is very important
在「數字福建」信息化和寬帶網建設的今天,如何利用寬帶網路的高速傳輸性能,建立起一個能夠提供多個醫院之間信息和存儲設備共享的信息共享平臺,對避免醫院重復建設或加快醫院信息化建設,無疑具有重要意義。Fotp236 - iec 61280 - 2 - 9 - fibre optic communication subsystem test procedures - part 2 - 6 : digital systems - optical signal - to - noise ratio measurement for dense wavelength - division multiplexed systems
Fotp236 . iec 61280 - 2 - 9 .纖維光學通信子系統試驗過程.第2 - 6部分:數字系統.密集波分多路復用系統的光學信噪比測量This thesis mainly describes a tesing and consoling kit based on ni " s special virtual instrument software development kit - labwindows / cvi, aming at traditional testing device " s limitation such as high cost of hardware, complexity of construct, singleness of function etc. the tesing and consoling kit can condition the signal intermixed with interfere noise and deal with the collected datum through common signal conditioning ( amplification, isolation multiplex filtering ) -, software calibration digital filtering etc to analyse signal in time and frequency domain
本文針對傳統測量設備硬體成本高、構造復雜、重用性差、功能單一等方面的問題,著重探討了利用ni的labwindows cvi這一虛擬儀器開發軟體構建的測控平臺,通過通用信號調理(如放大、隔離、多路轉換、模擬濾波等) 、軟體校正、數字濾波等方法對混雜有干擾的信號進行調理及採集后的數據進行處理,然後進行時域或頻域的分析。An improved high - resolution current - mode sorter is presented. its structure complexity is o ( n ), which is crucial to the expansion of its size, and its dynamic range is large. only one clock signal and one reset signal are needed. no biasing signal is required. the operation point is constructed according to the input current, so it is self - adaptive, which is very important for an all - purpose component. in average value circuit, subtraction circuit, winner - take - all ( wta ) circuit and control circuit, it has good performance even at a large input current. this sorter has high precision, high resolution and low power, as has been proved via hspice simulation. it can be implemented in the standard digital cmos technology and widely used in many fields, so it is of great value in applications
提出了一種改進的高精度電流型排序電路.它的結構復雜性僅為o ( n ) ,便於擴展;動態范圍大;它是自適應的,工作點由輸入電流確定,故不需要偏置信號,這對作為通用器件使用的排序電路來說是很重要的.通過利用平均值電路、減法電路、 wta電路和控制電路,可以使該電路在大輸入電流下依然保持高性能. hspice模擬表明該電路具有高準確性、高精度、低功耗的特點.它能用標準數字cmos工藝來實現,可以被應用於很多領域,具有很高的應用價值Integrated services digital network ( isdn ) - switched network providing end - to - end digital connection for simultaneous transmission of voice and / or data over multiple multiplexed communication channels and employing transmission that conforms to internationally - defined standards
綜合服務數字網路- -是一種使用符合國際規定標準的開關網路,通過多路復合通訊頻道,提供端至端的數字連接,實現聲音或/和數據的同時傳送。Hence, the advantage of mtn over stn was shown with the facts that the nns need fewer neurons by using mtns than by using stns. in addition, the literal, and, or operation as three basic operations in ternary logic were separately implemented by single mtn. with these basic mtns, arbitrary ternary function can be achieved by nns
利用這一方法,用一個多閾值神經元即實現了需三個單閾值神經元方能實現的異或運算,由此大幅減少了神經元個數;用一個多閾值神經元分別實現了三值邏輯中的文字、與、或三種基本運算,由這三種基本運算的多閾值神經元,可組成實現任意三值函數的多閾值神經元網路,由於提高了單個神經元信息處理的能力,使神經網路可實現復雜的多值邏輯,性能得以提高。Compact and modularly built with a footprint of just 0. 8m2, they are the world s first a0 machines that can be stacked or separated. the plotter adopts a universal design allowing easy accessibility for engineering and manufacturing cad printing, copying and scanning. with smooth precision, excellent resolution and remarkable performance, docuwide 6050 6030 optimize office efficiency and maximize bottom line, making them the natural choice for today s engineering input output environments
該數碼多功能一體機docuwide 6050 6030系列具有每分鐘5張a0的速度600 1200dpi質量的輸出解析度自動背景抑制等功能,而且它採用了高性能的控制器,具備高的可靠性和穩定性,實現了快速的數據處理和高性能的圖紙列印輸出它不僅具備復印列印掃描功能,而且能夠實現圖紙及技術資料的電子化管理,充分滿足圖紙的使用部門或管理部門對圖紙和技術文件數字化網路化的需求,實現工程文件和技術文件的統一管理。This paper analyses and sums up the growing trends of the in - vehicle network so as well as the can - bus, smartly describes the mechanism of can protecol. the vechile elctronic techonology has developed into a phase of information and intelligence, for the competition of " infomatic design " has justly emerged. from the points of in vechile networks and can - bus ( controller area network ), this paper bring developed the viberation roller competing tester, and the vechile digital lcd dashboard. when developing the two electic devices, uses different serial communication buses, as can, i2c, spi, etc. these attemptes improve the complexity of whole control system, and enhance the performance of the instrumentes
論文對國內外車輛網路和can介面技術的發展現狀和趨勢作了分析和綜合,簡明地介紹了can總線協議及工作機理。論文從車輛網路和can ( controllerareanetwork )總線的角度出發,研製了振動壓路機壓實儀和車輛數字液晶組合儀表。在研製過程中,綜合應用了如can , i ~ 2c , spi等多種串列介面和新型電子器件,降低了車輛電子控制系統的復雜程度,提高了系統的性能。The combination of multimedia technology and network technology of the computer leads to propagate technology and enter the unprecedented one : the accurate processing, rare memory capacity and fast and low - priced transmission of duplication, broke the existed spread pattern at developing stage. fair use system receives the new test of relation between rights and obligations of copyright of the balance
多媒體技術和計算機網路技術的結合引領數字傳播技術進入前所未有的發展階段:準確無誤的復制、隨心所欲的加工、超乎尋常的存儲容量以及迅捷廉價的傳輸打破了原有的傳播格局,因此,肩負平衡著作權權利義務關系的合理使用制度受到了新的考驗。分享友人