通信接線盤 的英文怎麼說
中文拼音 [tōngxìnjiēxiànpán]
通信接線盤
英文
traffic patch bay- 通 : 通量詞(用於動作)
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 盤 : Ⅰ名詞1 (盤子) tray; plate; dish 2 (形狀或功用像盤的東西) sth shaped like or used as a tray pl...
- 通信 : communication; communicate by letter; correspond
- 接線 : 1 [電學] (連接導線) wiring2 (電話員接通線路) work a telephone switchboard; connection接線插座...
-
Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。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、鍵盤的掃描、系統的安全維護等功能;無線通信部分由單片機at89c2051來控制,主要實現控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傳輸;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傳輸模式。It ' s design and implement are excellent illustration of part i. our design is based on 8051 - like mcu, using veridicom fps110 as fingerprint sensor, adding lcd and keyboard as hmi, and an isa adapter to communicate with host
該系統以8051mcu為控制核心,以fps110為指紋傳感器,配置lcd顯示器、鍵盤、實時時鐘。終端通過isa總線擴展卡與pc機通信,接收pc機的命令。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal
在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。Direct broadcast satellite ( dbs ) / dth - service that transmits satellite signals directly to a home, typically through a viewer ' s receiving dish. also called dth for direct - to - home
直播衛星-通過接收者的圓盤天線,直接從衛星把信號傳送到戶的衛星服務,也稱為直接入戶電視。The record module manages lower modules periodically, receives and records alarm messages sent through the bus, outputs control commands to control modules according to configuration parameters, controls related executive modules. the parameters of the bus nodes can be setup and displayed through the record module
記錄模塊定時管理下位各模塊,接收並記錄總線上傳來的報警信息,根據組態參數,輸出控制信息到控制模塊,控制相應執行機構,同時能夠通過鍵盤設置總線節點參數並顯示。First, the system converts the received tv program signals into mpeg file with video capture card, cut the mpeg file into several short mpeg files according to the content of the program and establish index for them. then, it transports the short mpeg files to jukebox server. the jukebox server with responsibility for discs management, it record the program material into discs and provide service for clients visit the program online
系統將接收到的衛星電視信號通過視頻採集卡,把它採集成mpeg文件,再根據節目內容將mpeg文件分段成小的節目素材文件並建立檢索索引,然後將它傳遞到光盤庫服務器;光盤庫服務器負責光盤的管理,它一方面將節目素材文件刻錄到光盤上,另一方面為客戶機提供在線訪問服務;客戶端根據一定檢索條件進行檢索,獲得所需的節目素材文件,並下載到本地,本地的媒體編輯軟體直接對mpeg文件進行編輯,生成新的節目。As the manager of whole field bus net, the interface computer sets and controls all the i / o interface crates on the communication chain ; and i / o interface crates connect with control panel or other hardware devices using different function cards, dispersedly controlling each input and output channels of the interface system
介面計算機作為整個現場總線網路的管理者,配置和管理通信鏈路中i o介面機箱運行; i o介面機箱則通過機箱內的不同功能的多個板卡,連接控制盤臺或其它硬體設備,分散控制介面系統的各個輸入輸出通道。Each of the intelligent instruments possessed the independent measure function is connected with the field bus. also, they have the interface of digital communication, keyboard input and digital display
總線上掛接的是各個現場智能儀表,現場智能儀表除具有數字通信介面外,還具有獨立的測試功能,具有鍵盤輸入和數碼顯示。分享友人