數組多路通路 的英文怎麼說
中文拼音 [shǔzǔduōlùtōnglù]
數組多路通路
英文
block multiplexer channel- 數 : 數副詞(屢次) frequently; repeatedly
- 組 : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 通 : 通量詞(用於動作)
- 通路 : thoroughfare; highway; highroad; route; viae; lead; outlet; approach; passage; gangway; access; c...
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Some applications, such as network conferencing, distributed database exploitation, require simultaneously transmitting data to multipoint from one point. multicast is becoming a key requirement of network supporting multimedia applications. it appears at the telophase in 1980, turns into a international frontier and has already become a hostpot in this field
某些特殊的應用,如網路會議、分散式數據庫開發等,都是需要把數據從一點同時發送到多點的問題,多點通信(組播)即multicast是網路支持多媒體業務的關鍵技術之一,產生於20世紀80年代末,已經迅速發展為一個國際前沿領域,成為研究的一個熱點。Block multiplexer channel
數組多路通路This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發,深入研究和討論了通用串列總線usb規范及工作原理,並依據usb1 . 1規范,採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件,實現了通用計算機與測試設備之間基於usb總線的通信功能;其次,在所開發的usb總線介面的基礎上,使用微處理器pic16c62和多路繼電器開關,設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件;再次,採用vb語言編程,調用windows內部api函數,與選定hid類驅動程序進行通信,實現usb總線介面測試儀器功能,完成面向測試的上層軟體開發;最後,在深入研究印刷電路板測試方法的基礎上,利用已開發的多路通道掃描器和面向測試軟體,結合必要測試儀器組建印刷電路板測試系統,並對測試結果進行了簡要的誤差分析。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。Resu1 t ana1 yzing and dec i si on support s } ' stem etc. first1y the who11 } construct ion of dianchi system is d i scus sed, t hen hydrodynami c mode 1 " geograph i c informat i on system ( gis ) image processing and network commun1 cat l on are s t u d i e d d e t a i 1 ed 1 v. two - - dimensi onal wind - - driven current s mode1 on shal1 ow water i s used as hvdrodvnamic mode1
一個復雜系統的模擬實現,需要多種理論及技術手段的參與。滇池系統的設計涉及多個方面的內容,包括模型、數據庫、顯示系統、結果分析和決策支持等等。本文首先從系統的角度闡述滇池系統的組成,然後對系統中水動力模型、地理信息系統( gis ) 、圖像處理和網路通信部分的設計過程進行詳細說明。It ' s well known that the project documentations " storage and management have an very important effect on the development of all kinds of project, and as the information age is coming, network technology has been applied to this procedure gradually. this article mainly introduces the study and realization of a internet - based project documentation storage and management system which application programming frame is built with delphi6. 0 and sql server2000. based on the tcp / ip protocol, the system try to establish a c / s model with connection - oriented, dependable stream sockets and multithread technology to complete some especial data communications by networks, such as the files of project, directory of user, all self - defined commands or messages and their parameters, and so on
本文所研究的《基於internet的項目文檔存儲管理系統》通過delphi6 . 0和visualc + + 6 . 0相結合的開發平臺,結合sqlserver2000 ,將client server模式的數據庫技術和windowssocket網路通信技術進行集成,遵循tcp ip協議,同樣採用c s結構運行於internet ,通過服務器將處于各個不同物理位置的客戶機連接起來,形成一個交流平臺;其中,引入了目前國際上流行的先進的安全管理控制方法? ?角色控制理論對用戶進行權限分配,使擁有相應角色的人具有相應權限;然後系統自動根據組織部門或用戶的設立在服務器端生成相應的網路「虛擬文件櫃」 ,使擁有相應權限的人可以對相應文件櫃中的文檔進行整理;再通過多線程技術和windows套接字通信機制在tcp ip協議上實現了單個文件及目錄的傳輸。Thirdly, the paper researchs the application of single electron transistor and the synthesis theory of cicuit based on quantum dot cellular automata by synthesis example of quantum cellular neural network based on build schr ? dinger equation of coupling quantum dot. at last, the paper researchs digital integrated circuit design based on quantum dot cellular automata and design a 8 - bit quantum dot cellular adder by qcadsign based on a method of majority logic reducetion for quantum cellular automata, it prove this designer of 8 - bit quantum dot cellular adder is correctly
Dinger )方程為基礎的量子點細胞自動機電路綜合理論,本文以量子細胞神經網路為綜合實例,建立耦合量子點的薛定鄂( schr ? dinger )方程組,通過化簡得到類似細胞神經網路的非線性電路方程。最後研究了基於量子點細胞自動機數字集成電路設計,通過建立邏輯方程,簡化邏輯方程,並設計基於精簡qca擇多邏輯門8位加法器,並用qcadesign進行了模擬,實驗證明設計正確性。The mssr mode s technology, which was introduced firstly for the purpose of air tranfic control ( atc ) system, is based on the individually addressing and selective interrogation technology. the mode s can overcome many problems exist in mode a / c, such as signal interference, limited aircraft identification, garble and fruit, and provides the ability to build digital data link. many countries and organizations do them best to support researches about the communication, navigation and surveillance technology, which are all based on the mode s, and many productions have been adopted step by step by the international civil aviation organization ( icao ). so, to research the key technologies of mode s will contribute a lot to the development of domestic aviation system, especially for the air control system, identification friend foe and navigation system
它建立在獨立編址、選擇性詢問的基礎之上,能夠解決在模式a / c中存在的信號干擾、有限的信息編碼、幻影( garble )和異步應答( fruit )等問題,同時在數據鏈路方面有著巨大的潛力。國際上,模式s的數據鏈技術得到了廣泛的關注,許多國家和組織大力支持基於模式s的通信、導航和監視技術以及航空管理新技術的研究,許多成果正逐步被國際民用航空組織( icao )所採用。因此,對模式s核心技術的深入研究對於我國在航空管理、敵我識別、導航等方面的發展有著重大的意義。Secondly, in the first phase, this paper solves the inventory supplement sub - problem through integer programming model, using the reduction of vehicle routes as the breakthrough to this problem, divides a whole distribution region into many customer subsets by radius - circle partitioning method, determines the optimal number of vehicle of service distribution region, applies two practice - oriented conclusions to reduce the number of routes on the basis of customer grouping, thus decreases considerably the variable scale of integer programming, and solves the problem through professional software to fix inventory supplement plan in plan period
其次,在第一階段使用整數規劃數學模型來規劃庫存補充計劃子問題,以減少車輛巡迴路線數目為求解該整數規劃的突破口,提出與固定劃分策略( fpp )相似的客戶分組思想,通過徑?環切割法把整個配送區域劃分成多個客戶子集,實現客戶分組並確定服務整個配送區域的最佳車輛數目。在客戶分組的基礎上建立了精簡路線的整數模型,然後通過運用兩條基於實際經驗的判斷來進一步減少巡迴路線數目,進而極大地減少了整數規劃的變量規模,並利用專業的求解軟體來求解該整數規劃問題,從而確定計劃期的庫存補充計劃。The signal collecting system of singlechip collects the signals from generator. the paper introduces the every part of the singlechip. the key component is a 8051cpu, its surrounding circuits include dc power source, simulating signal collecting circuit, digital signal collecting circuit, a / d converting circuit, clock generating circuit, counting frequency circuit, controlling circuit, communicating circuit, and some other circuits
前臺單片機採集系統完成對發電機組多信息量的採集,本文詳細介紹了電路設計,系統的核心器件為8051cpu ,其外圍電路包括電源電路、模擬信號採集電路、 a d轉換電路、數字信號採集電路、時鐘發生電路、測頻電路、控制電路、通訊電路等。This paper supplies systematic research on data organization method which is suitable for hngis, at the same time studies deeply on the optimization of transit route with many goals in highway network. ( 1 ) based on the systematic analysis on the spatial data model and the spatial data structure, through study on two kinds of commonly used gis data models : raster data model, vector data model and the characteristics of highway network, the paper plans the logistic data model of hngis, and proposed the spatial data storing structure based on vector method
本文系統的研究了適合於公路網gis的數據組織方法,同時,對公路網多目標最優出行路徑問題也給予了深入的研究: ( 1 )通過對兩種常用的gis數據模型(矢量數據模型、柵格數據模型)及對公路網路特徵的分析,設計了公路網gis的邏輯數據模型,給出了基於矢量方法的空間數據存儲結構。Second, the popularization and application of internet technology has a revolutionary impact on the compiling and publication of the academic journals and gives a lot more and newer to the editorial work : sufficient information supplies editorials with a good environment to make in - advance plans ; the open and comprehensive information system makes editorials compile journals and update reviewer database in time and accurately ; editorials can accept papers and submit papers for reviewing by internet communication tools ; editorials can also contact the authors conveniently by emails for decline or revision of the papers ; the department of editorial and print plant can exchange data through the net for printing hard copies ; more sale methods are made based on the internet ; more ways are made for readers " feedback
其次,網路技術的普及和應用還使學術期刊編輯、出版的工作方式發生了變革,賦予了編輯工作更多更新的內容:信息量的充分為編輯制訂計劃創造了良好的信息環境;信息的開放與全面使編輯可以及時準確地組稿和更新審稿人數據庫,編輯還可利用網路通信工具實現稿件送審;可以利用網路及時與作者聯系方便稿件的退修;對印刷版,可以利用網路方便地在編輯部和印刷廠之間傳遞數據;為期刊網上發行渠道的開通提供了平臺;拓寬了讀者反饋的途徑。此外,學術期刊光盤版和網路版的出現為學術期刊的經營提出了一種新的模< wp = 4 >式。The main idea in this paper is to design greenhouse computer distributed auto - control system. the system is a kind of principal and subordinate structure made up of one pc and several microcontrollers, principal can bus communication network and crc validated algorithms to ensure data transmitted correctly. the local operation in greenhouse can be obtained by monitoring environment parameters and warning information can be read into pc
本文的主要設計思想是構建溫室計算機分散式自動控制系統,由一臺pc機與多個微電腦控制裝置組成主從式分佈結構,採用總線式can通信網路和crc校驗的通信演算法進行數據傳輸,通過讀取實時和歷史存儲的環境參數值和報警信息來監測溫室的運行情況。In this article, the following is discussed : the realization of signal processing and data logging circuit, the design of optic - fiber sensors and under - well single transfer circuit. a laboratorial model is built to simulate multiphase - flow meter ' s working condition. finally, feasibility of the technical is proven by some examinations
論文中主要討論了以dsp晶元為核心的多相流量計信號處理及數據記錄電路的設計、幾種應用於該種多相流量計的光纖傳感器的設計、傳感器信號變送傳輸電路設計、以及多相流組分與光折射率關系的推算,並設計油井管道模型模擬多相流體的流動,在此基礎上通過試驗初步分析和驗證了這種計量技術的可行性。The cluster file systems for large - scale clusters should have multiple data paths and multiple metadata paths in architecture. metadata transactions are decoupled from file read and write operations. large - scale network storages are used to provide multiple file data paths
面向大規模機群的機群文件系統的體系結構應該是多數據通路多元數據通路的,即元數據處理與文件i / o分離,利用大規模網路存儲系統來提供多條數據i / o通路,利用一組元數據服務器來提供多條元數據i / o通路。The paper gives the process of how to design the whole application system, describes how the client terminal and the server terminal works in detail, gives the final result of the application program, analysises the problem happened in the system and gives the way to resolve them. the design includes two parts : ( l ) hardware : the hardware system is mainly structured by distributed single chip micyoco data processing system based on rs - 485 bus ; ( 2 ) software : this part designs the scm program by c language, we use visual basic to design the client and the server application program, the whole software includes com port communication program and remote data transmission, we also use sql server 2000 to build the remote database system
本系統設計完成的主要工作有: ( 1 )系統硬體設計:主要是由基於rs - 485總線和單片機組成的分散式多路數據採集系統; ( 2 )系統軟體設計:使用單片機c語言設計了單片機工作程序,使用visualbasic語言完成了系統中客戶端、服務器端應用程序設計,其中包括數據採集部分中的串列口通信程序設計和client server模式下的遠程數據傳輸程序設計,使用sqlserver2000完成了遠程數據庫的構建工作。At the same time j2ee platform technologies are discussed deeply, such as j2ee platform technologies, communication technologies, ejb component technologies and so on. the design model based on the mvc frame is applied in the system development, so that the separation between the present logic and the business logic in the application is realized. finally, according to the problems found in the development process, the paper explains particularly the kay technologies in the realization : the uniform naming service is realized by realizing the service locator partten using the value object pattern, all the status data is encapsulated into a serializable object, then transferred among the client, sessionbean and entitybean in order to decrease the potential network traffic caused by reference of entitybean ; in order to improve the performance of data storing and taking, we introduce the facade model to escapsulate the ejbs which delegate the data model
本論文結合了杭州市財政局的會計人員從業資格管理系統的升級項目,研究了基於j2ee的ejb組件模型的多層分散式體系結構的設計與實現:深入探討了三種分散式處理技術( rmi , corba , com )的區別,將j2ee平臺的ejb技術與windowsdna體系的com +技術從多個角度進行了比較;詳細闡述了在系統開發過程中j2ee平臺的幾項核心技術(如: j2ee平臺的服務技術、通信技術、 ejb組件技術等)的應用;引入了源於mvc三部件框架的設計模式,實現了應用中表現邏輯與業務邏輯的分離;最後,結合在開發過程中遇到的問題,詳細解釋了開發過程中實現的關鍵點:用servicelocator模式實現了統一的命名服務管理;運用valueobject模式將所有狀態數據包裝成一個可序列化對象vo ,然後在客戶機、 sessionbean與entitybean之間傳遞,減少了使用實體bean造成的潛在網路通信量;以及引入sessionfacade模式,用sessionbean封裝了entitybean ,改善了數據存取的性能。Rapid development of data business, growing of packet network technology, and increasing of communication channel capacity, etc, bring this problem the answer : the next generation network will be base on the ip, and it will be to consist of network architecture which are diverse, synthetic and open such as speech sound, data, multimedia etc. the principle of voip ( voice over internet protocol ) is not complicated : at the sending end, sample the analogue speech sound signal, code and compress, then package and transmit it over the packet network
數據業務的快速發展、分組網路技術的成熟、數據網路通信通道容量的不斷增加等給這個問題提供了答案:下一代網路將是基於ip的,下一代網路將是可以提供包括語音、數據和多媒體等各種業務的、綜合的、開放的網路構架,而voip正是這個答案的具體體現。實現voip的原理並不復雜:將模擬的語音信號采樣、編碼並進行壓縮,封裝在數據網路的分組中進行傳輸,在接收端對數據進行解碼、數模轉換恢復成模擬信號即可。For a small local network, the gsn node can be located in the exchange room. the pcu is connected to the sgsn on a ppp basis so as to save trunks. when there are many pcus and they are located in places other than the exchange, they can access to the sgsn via the existing fr network or a self - built fr network
對于規模較小的本地網,可將gsn節點設置在交換機房內,其pcu經過交換機以ppp的方式同sgsn連接,可以節省中繼線路。當pcu單元數量多且與交換機位於不同的地方時,可以通過現有的fr網或自己組建fr網路接入到sgsn中,此時gsn節點位置相對靈活。Using the real - time numeric control system as the controlling object, this dissertation designs the smallest network distributed manufacturing to test the ip multicasting and long - distance inspecting
實驗表明:採用ip組播技術作為網路通訊的手段時,數據傳輸對網路帶寬資源的佔用不隨目標節點的增多而成倍增加。分享友人