數組多路通道 的英文怎麼說
中文拼音 [shǔzǔduōlùtōngdào]
數組多路通道
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)
- 道 : 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) ...
- 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
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The new system consists of a single - chip computer system ( at89c51 + psd311 ) and alow power consumed analyzer by applying a new adc chip ads774, and a dead - time correcting circuit is designed to correct the collecting time
本系統由單片微機系統( at89c51 + psd311 )組成多道緩存,由低功耗模數轉換器組成分析器,與微型計算機通過列印并行介面實現數據通訊,並含有死時間校正電路。The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。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。In wormhole meshes, a reliable routing is supposed to be deadlock - free and fault - tolerant. many routing algorithms are able to tolerate a large number of faults enclosed by rectangular blocks or special convex, none of them, however, is capable of handling two convex fault regions with distance two by using only two virtual networks
在應用蟲孔路由的mesh結構的多處理機系統中,已經有許多基於維數序的容錯的路由演算法被提出,其中大多數路由演算法只能容忍矩型或凸型的故障節點組成的區域,但是,至今還沒有一個演算法能應用兩個虛擬通道處理凸型convex故障區域距離大於和等於2的情況。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。On the basis of forecast model of traffic volume discussing, the mathematic model for the basic parts of road overpass was built up through the research on main mathematical model which suit for overpass in four - stage forecast method. according to the properties and the requirements of the user, by working on the service level, the standard of service level has been defined. the adaptability index of traffic for road overpass was put forward and an adaptability index of traffic system was established
本文系統研究了道路立體交叉的類型,從不同角度對立交類型進行了劃分,在詳細論述立交交通量預測模型的基礎上,針對四階段預測法中適合立交特點的主要數學模型做了深入研究,建立了道路立交各基本組成部分通行能力的數學模型,並按照立交的性質及人們對立交的要求,對立交服務水平進了研究,確立了道路立交的服務水平標準,提出了道路立交交通適應性指標,建立了道路立交適應性指標體系,並由多人層次分析法確定了各指標的相對權重。With the constant development of the enterprise information system, more and more users need a lot of different data which construct the database visiting and deal with different network nodes at the same time, hope shielding no. each different to construct characteristic, they know physics database the distributions of systems, know physics the structures of databases form, oneself need n ' t go and carry on data change and gather with the result, only need to inquire about and can receive a result of synthesizing through simple and convenient the overall situation
隨著企業信息系統的不斷發展,越來越多的用戶需要同時訪問和處理不同網路節點的多個異構數據庫的數據,希望屏蔽各個層次的異構特性,他們不必知道各個物理數據庫系統的分佈,也不必知道各個物理數據庫的結構組成,不必自己去進行數據轉換和結果匯總,只需通過簡便的全局查詢便可得到一個綜合結果。Then the whole scheme design and research of the system are given. and then based on the deep comparisons among the variable switch indicators, the reliability of communication between the main communicating machines and data transfer is studied, and the detail method for realization is presented too. at last, the system design is proven to be fully feasible by the actual development and simulation experiment, and the prospective aim is achieved in the session of connection and actual emulation experiments
論文中首先詳細介紹了系統研製的目的、組成、完成的功能,其次給出了系統的整體方案設計和研究思路,再次著重對道岔表示器的多種制式進行了深入的研究和比較,並在此基礎上對主通信機及數據通信的可靠性進行了研究和設計,給出了具體的實現方法;最後進行了實際的製作,並通過試驗證明本設計是完全可行的,在系統聯機試驗和現場模擬試驗階段達到了預期的設計目的。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。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。Cdma2000 1x packet data service is completely based on ip technique. when subscribers use packet data service, packet network offers a channel to connect ip network to mobile terminal. on this way, cdma2000 1x packet network can offer internet accessing 、 vpn ( virtual private network ) special network accessing service and so on. as 3g ( the third ganeration ) telecommunication technique come, packet network offers many expecting service, such as image flowing medium 、 video meeting 、 interactive game service, etc. this engineering design helps to construct cdma2000 1x packet network of sichuan unicom
Cdma20001x分組數據業務完全基於ip技術。當用戶使用分組數據業務的時候,分組域將為移動終端提供一個接入ip網路的通道,在此基礎上, cdma20001x分組核心網可以向移動用戶提供網際網路、虛擬專網接入等多種分組數據業務。隨著3g通信技術的發展,提供給移動終端用戶的傳輸速率和可用帶寬將大大的增加。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。In next mobile communication system to suffice more and more high - speed data service and demand of qos ( quality of service ) many new wireless link layer transport technologies are going to be used such as mimo ( multiple input multiple output ), ofdm ( orthogonal frequency division multiplexing ), channel coding and acm ( adaptive coding modulation ) etc. low density parity check ( ldpc ) codes were first discovered in 1960 ’ s which belong to linear block codes with their parity matrix being sparse
下一代移動通信系統為了滿足移動用戶對高速、寬帶數據傳輸業務不斷增長和更高服務質量的要求,採用了許多新的無線鏈路傳輸技術,包括多天線發射和接收技術、正交頻分復用技術、通道糾錯編碼技術和自適應編碼調制技術等。上世紀60年代提出的低密度校驗碼,是一種校驗矩陣為稀疏矩陣的線性分組碼。分享友人