之字展線 的英文怎麼說
中文拼音 [zhīzìzhǎnxiàn]
之字展線
英文
zigzag development-
According to the requirements of disign, the system apply mcu at89c2051 to extend 32 keybords, and meantime the system can use battery which can be recharged to supply power. as a whole, the system charact eristic of inputting by keyboard and interacting by chinese characters can display and store spectrum data automatically and accomplish data handling. what ' s more. the system can communicate with other computers by the interface of rs - 232c
同時，為了實現人機交互，系統採用at89c2051擴展了32鍵鍵盤。在系統的供電方面系統可採用充電電池供電。總體來說，系統採用按鍵輸入，漢字人機對話，能自動顯示和存儲測量譜線，並完成數據處理工作，除此之外，系統可通過rs - 232c與其它計算機聯機使用。This project focus on r & d of remote information transfer between some device, especially in the water - quality monitoring system. after learning the architecture of the popular pstn dial - up network. vpn broadband network and gsm wireless network, a new solution for remote communication was proposed. under this idea frame a communication hardware platform and software was developed
本課題主要針對環境水質在線監控系統中的信息傳輸問題，對遠距離設備之間的信息傳輸方式及發展進行了研究，結合目前流行的pstn撥號上網方式、 vpn組網技術和gsm無線數字通訊技術，提出了一種新型的遠程設備之間信息傳輸與互聯的方案，並按照這個思路搭建出系統所需的硬體平臺，設計出實現這個方案的應用程序。If we tracked satellite by the tradition narrow beam antenna, that should caused the jumping tracking between multi - aircraft. that is difficult to achieve by the immense antenna boot and the follow - up system. using digital beam forming realize aircraft target tracking and controlling should be best means to resolve this problem
隨著我國多星測控系統的發展，在一個測控站作用范圍內將出現多星，同時要求地面站對多星同時進行跟蹤測控；如果採用傳統的窄波束天線對目標進行跟蹤測控，必然導致天線在多個飛行器之間進行跳動跟蹤，這對于龐大的天線引導、伺服系統來說難以實現，採用數字波束對飛行器目標進行跟蹤測控是解決此問題的最好方法。Bases on living mode in the digital era, with digital technology " s application in architecture field and its effects on traditional architecture system as main line, through analyzing and comparing the relation between virtual space and physical space, this article discusses the transformation of architecture concept from physical space to virtual space and its developing trend. it also discusses some of the features of virtual space
本文以人們在數字時代的生存模式為基點，以數字技術在建築領域中的應用和對傳統的建築體系的影響為主線，通過分析和比較虛擬空間和實體空間之間的關系，討論了建築概念由實體空間向虛擬空間的轉變和發展趨勢，同時也就虛擬空間的某些特性作了一定的論述。Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。This movie was screen idol alexander fu sheng s comeback film after breaking both his legs, and it left no doubt that he had made a full recovery. liu chia - yung was famous in his own right for kung - fu comedies, and he out - did himself with this fun and furious tale of two con men vying for a horde of hidden gold. add to the mix a shaolin monk played by " master killer " gordon liu chia - hui, a powerfully brutal villain wang lung - wei, and his equally dangerous mute sister future director yang tsing - tsing, and you ve got one of the most internationally loved kung - fu capers ever made
執到寶傅聲為武功了得的尋寶專家，因聞招九積張展鵬自稱有張保仔寶藏之線索，乃往賭場將其救出招雲古董商人魯古董劉家榮藏有張生前一批信札，執招夜竊不遂，以敲碎古玩要脅，取得信札惟信札字跡陳舊，僅認清法華寺字樣彼時適逢高僧無相劉家輝下山，執遂假扮瘋僧約無相談禪，招則暗闖其房搜尋秘密In order to supply the main two services ? vod ( video on demand ) and iptv which are used popularly in the application, 8010r & d designed a new streaming media system based on our new operating system named digital organic system ( dos ) with high dependability, high concurrence, low - price - high - efficiency and high retractility as its characters. in our stream media system, there are three important components
當前政府正在大力推廣internet及寬帶網路，加之正在興起的網路電視計劃，這些因素極大的推動了網路流媒體業務的迅速發展。針對目前流媒體應用最廣泛的視頻點播和在線直播服務， 8010實驗室自主研發了具有高可靠性、高並發性、高性價比及高伸縮性的數字有機體流媒體播放系統。Civil air defense alarm system was a system to dispense antiaircraft alarm sig - nal, hand hostile air attack informational communication to urbanite at wartime. it is a particular informational communication system of the civil air defense depart - ment, and can not be taken place. at the development trend of digitaliza - tion, unitization, integration of civil air defense communication, the civil air defense alarm system is developing too, for adaptation to the require of both future war and peaceful dual, and enhancing civil air defense communication system ' s directing automation. in recent years, development of different kinds of communication technology infuses new clearly energy into communication, especially spread spectrum communication, because of its strongly interference - free feature, invisibility best, realizable code division multiple access and antimultipath wane and so on merit, gets extensive use at wireless region ; the corresponding spread spectrum chips emerge as the times and get boom, which provides advantag e to realization of the circuit of spread spectrum communication. at the same time, in company with the advance of electronics level, the single chip microcomputer has a great development, world renowned chip manufacturer pushout respective products one after another, the kinds of which are too many to statiste
在人防通信的數字化、一體化、綜合化必然的發展趨勢下，人防警報系統也不斷發展，以適應未來戰爭和和平時期的雙重需要，提高人防通信系統指揮自動化。近年來，各種通信技術的發展給通信注入了活力，擴頻通信更因其抗干擾能力強、隱蔽性好、可實現碼分多址和抗多徑衰落等優點在無線領域得到了廣泛應用；其相應擴頻處理晶元應運而生並得到迅速發展，這為擴頻通信的電路實現提供便利。同時隨著微電子工藝水平的提高，單片微型計算機有了飛躍發展，世界上著名的集成電路晶元製造商紛紛推出各自的產品，單片機型號之多，已達到難以統計的地步。A methodology composed of controller area network ( can ) field bus which is implemented with digital signal process ( dsp ) is proposed and applied to inverter monitoring system based on the analysis of developing tendency, reliability and stability of the monitoring system
在分析監控系統的發展趨勢、可靠性和穩定性的基礎上，提出了一種基於數字信號處理器，採用控制器局域網作為各現場設備之間的通信網路以及採用總線型的網路拓撲結構來組建模塊化逆變電源監控系統的方案。The present dissertation is based on an automation revamping project in which the latest fieldbus control system ( fcs ) and control network techniques of mitsubishi electric are adopted, in a paint - coating workshop of chang ' an automobile company, chongqing
作為近年來國際上迅速發展起來的、備受關注的控制網路新技術，現場總線是一種應用於生產現場、在微機化測量控制設備之間實現開放式、雙向串列多節點數字通信的底層控制網路。This project focuses on r & d of home network, especially in communication between the devices in home. after learning the popular home network architecture around, a new solution for communication in home was proposed based on power - line carrier communication technique and digital communication technique. a new home network repeater was also developed under this idea frame
本課題主要針對目前家庭網路發展迅速的情況，對家庭網路設備之間進行數據互通方式的發展進行了研究，結合目前流行的家庭網路組網方式，電力線載波技術和數字通訊技術，提出了一種新型的家庭網路設備之間的互聯方案，並按照這個思路設計出了實現這個方案所需的網路中繼設備。Abstract : fieldbus is a kind of full digital, bidirectional and multi - station communication systems between field instruments and control room systems in industry. it is a convergence of three developing technologies which are processing control technology, industrial automation instrument technology and computer network technology. with this leading technology a renovation will occur in control systems
文摘:現場總線是工業中用於現場儀表和控制室系統之間的一種全數字化、雙向、多站的通信系統，是過程式控制制技術、自動化儀表技術、計算機網路技術三大技術發展的交匯點，將帶來控制系統一大變革。The training will adopt the method of combination of explanation and on - site experience. the students can experiment by themselves. we all know that the development orientation of the intelligent building is the integration of communication, network and automatic system on the speedy and stable cabling system, i. e. what is transmitting on the cabling system is the computer and voice information, and such building control digital signals as safety system and fire - fighting system and the visible video monitoring and image
我們知道，智能建築的發展方向是樓宇內的通訊、網路及自動化系統融合到綜合布線系統這一高速、穩定的載體之上，即綜合布線系統上傳輸的將是計算機和語音信息，而且還將包括安全系統、消防系統等樓宇控制的數字信號，以及可視的視頻監控和圖像。Fieldbus technology is a digital, distributed, open and inter - operational technology, which represents the development trend of industrial control system
現場總線技術具有數字化、全分散性、開放性和互操作性等特點，代表了今後工業控制網路發展的方向，是當前自動控制領域中倍受關注的技術之一。分享友人