通信口 的英文怎麼說
中文拼音 [tōngxìnkǒu]
通信口
英文
com port-
The communication between computer and plc is realized by the programming port, and the communication between computer and servo unit is realized by databus, and the cooperative control between plc and servo unit is realized by an audion
利用plc的編程口實現了計算機與plc的通信。利用數據總線實現了計算機與伺服單元的通信。利用三極體的通斷特性實現了plc控制列印頭振動與伺服單元控制電動執行機構運動的協調。This is the fifth biggest spread media after " newspaper, journal, broadcast and tv ". this is not only a large - scale color television set, but also a large - scale color computer display. it can play all kinds of color tv image, letters and drawing figures all the day, these new information dissemination was broadly used in public like large - scale palaestra, exhibition gallery and station place etc. the huge color image which is up to hundred square meters can be watched by over 10000 people at the same time
國內led顯示屏市場保持待續增長,主要集中應用於證件交易金融信息顯示機場航班動態信息顯示港口車站旅客引導信息顯示,體育場館信息顯示道路交通信息顯示調度指揮中心信息顯示,郵政電信商場購物中心等服務領域的業務宣傳及信息顯示,廣告媒體新產品,演出和集會,展覽和租賃等國際上led顯示屏的應用范圍主要集中在戶外廣告和體育,其次是交通和演出,另外包括展覽租賃集會等和各種場合。Quartz is a tablet communicator with convenient pocket - sized, palmtop form factor
Quartz是一種tablet通信器,它具有方便的口袋大小的掌上電腦外型規格。In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電路配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。To vent shaft 22 on the second quadrant now
到第二信號室22號通風口出口處It includes three parts, the first is the design of the upper computer communication with the lower computer, including the communication to the serial port and the pcl - 813 sampling card
開發內容包括: ( 1 )上位機和下位機通信程序設計,包括對計算機串口com1 、 com2口的通信及pcl ? 818採集卡系統的通信。Two more gateways at shanghai and guangzhou will be built this year to allow china satcom to provide high speed communications services to the whole country
本年度內,上海和廣州還會建立兩個出口網關,屆時,中國衛通將可以向全國提供高速通信業務。The key technique include nip signal ' s generation, serial port 422 communication, control system data acquisition and processing, stationary wave ratio of antenna, sending and receiving signal ' s attenuation of antenna and so on
其關鍵技術包括nip信號產生, rs - 422串口通信,控制系統各模塊數據採集和處理,機載天線駐波比及收發信號衰減測量等。The paper describes the implementation method of the software and hardware in detail ; explains the sulphuration technology in production of rubber and how to control sulphuration machine by plc ; discusses the principle, current situation and development trend of the dcs ; recommends the serial communication in industrial and how to realize it in delphi ; analyzes the communication protocols of series of lg ' s master - k10 plc and on the base of which, realized the communication between upper - computer and low computer ; discusses the realization flows of control system on upper - computer in detail, the software and hardware of module every design ; introduces the functions and realization of query software on client computer
詳細論述了控制系統硬體及軟體的實現方法;闡述了橡膠生產中的硫化工藝以及如何用plc對硫化機進行程序控制;討論了集散控制系統的原理、研究現狀及發展趨勢;介紹了工業控制領域中的串列通信以及如何在delphi中實現串口通信;分析了lg公司master - k10系列plc的通信協議,並在此基礎上實現了上位機與下位機的通信;詳細討論了上位機控制系統的實現流程、各模塊的軟硬體設計;詳細介紹了客戶端查詢軟體的功能及實現。Summarize : multi - input, can be used cooperate with various sensors / transducers, measure 、 display and alarm control the physical quantities such as temperature 、 humidity 、 liquid level and flux # 118alues and transform them to export, can read and write all parameters via the computer through serial communication, besides it can offer 24vdc power supply for 2 - wire transducers, four - bit led displaying, the multi - segment curve correcting function is selectable, one meter can equip four alarm relay outputs 、 one transform ( or communication ) output and one equipped power supply outputs
萬能輸入,可與各類傳感器、變送器配合使用,實現溫度、濕度、壓力、液位、流量等物理量的測量、顯示、報警控制和變送輸出;通過串列通信口,可在上位計算機中實現全部儀表參數的讀寫;還可為兩線制變送器提供24vdc電源; 4位高亮度led數字顯示;對輸入信號有多段折線修正功能可選;一臺儀表最多可配4個報警繼電器輸出、一路變送(或通信)輸出和一路配電輸出。This paper proposes a handoff algorithm using dual - window measurements in cellular mobile communication system. the proposed algorithm can provide a suitable balance of probability and delay of handoff. an analysis model of this algorithm is given in this paper. the proposed algorithm is especially fitted to the situation which mobile station needs to measure the signal strength from many base stations
本文提出了一種新的蜂窩移動通信系統越區切換測量演算法,該演算法採用了兩個長度不同的測量窗口,有利於在切換時延和切換平均次數這對矛盾之間取得更為有效的平衡,特別適用於需要對多個基站進行切換測量的情況.同時本文給出了基於矩形窗口的雙窗口切換測量演算法數學分析模型,及數值分析結果Since 1980 when it was established, casc has imported more than 500 commercial aircraft and wide range of ground support equipment, including communications, navigation aids, atc systems, weather observation and forecast systems and special vehicles etc
自一九八零年以來,先後進口了各種民用飛機500多架,以及大量的通信、導航、空中交通管制、氣象測報、特種車輛等安全保障和機場配套設施。Coface, an international group providing credit insurance and credit management services, continuously monitors 144 countries and provides the latest country risk trend for exporters as a reference to make the best credit decision in international trade
國家貿易風險科法斯集團定期監察全球141個國家的風險趨勢,出口商可利用通信內提供的最新國家風險信息作參考,釐定最佳的貿易信貸策略。For example, a program that tries to open " com1 " or even " com1. txt " in any directory will get stuck trying to talk to a serial connector
例如,如果一個程序在任何目錄中試圖去打開「 com1 」或者甚至「 com1 . txt 」 ,將被系統誤解為是嘗試和串口通信。Chinasat would like to push the commercial user and technology test of domestic digital trunking aggressively, and has basically built the digital trunking service network covering city and suburb in tianjin, jinan, nanjing and shanghai, forming the safeguard ability for emergency communication and command scheduling communication, providing professional scheduling command communication services for governmental public management, port and traffic sphere
中國衛通積極推進國產數字集群的商用和技術試驗,在天津、濟南、南京和上海等地建成了基本覆蓋市區和近郊的數字集群業務網路,形成了區域應急通信和指揮調度通信保障能力,為政府公共管理和港口、物流、交通等領域提供了專業調度指揮通信服務。The gsm - r system supports functions of function number address, location decide address, vbs and vgcs. because of these functions, the gsm - r system can support the normal voice communication and specific communicaton for railway application
通過gsm - r系統的功能尋址、基於位置尋址、組呼叫、廣播呼叫等功能,可以提供鐵路運輸指揮話音通信業務,也可提供站場、應急、施工養護和道口等專用通信。Moreover, using dsp to write the control words for the usual interface. the above - mentioned measures make the spread spectrum receiver realized flexibly
並且,採用dsp為相關通信口置入控制字,軟硬結合的方式使其實現功能更加靈活。Realization of wireless transceiver by computer serial communication port and wireless transceiver module
用串列通信口與無線收發模塊實現無線數據傳輸臺In such way, the frequency, the virtual value, the harmonic and power factor are acquired. it can achieve the intelligent control by way of cooperating with master station automatic apparatus system through adopting rs - 485 communication standard
同時根據采樣值系統計算了頻率、有效值、諧波、功率因數等電量,並通過rs - 485通信口與二級子站微機相配合,達到智能控制的作用。By analyzing the synchronous serial communication interface of master and slave cpus and the required functions of the device to be manufactured, the synchronous serial communication interface of 80386ex was chose as the data communication interface and the tasks of master and slave cpus were configured reasonably
分析了主從cpu的同步串列通信口及裝置自身的功能特點,選擇採用80386ex同步串口作為線路兩側數據通信口,並對主從cpu的任務進行了合理的分析與配置。分享友人