無方式系統 的英文怎麼說
中文拼音 [wúfāngshìxìtǒng]
無方式系統
英文
modele system- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 方式 : way; fashion; pattern
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。Licence application for satellite master antenna television system, mobile radio system and amateur station licence and authority to operate can be filed and submitted online at the ofta web site
市民可在電訊管理局的網站以聯機方式提出及遞交衛星電視共用天線牌照,移動無線電系統牌照,業餘電臺牌照asl及操作授權證明ato的牌照申請。Most of current gsm public phones have their limitations, such as single function, upgrade with difficulty, xi ' an icechina co. ltd brought forward a new solution based on 32 - bit embedded system. the solution has it advantages on stability and expansibility, and implement remote code download, which greatly reduce maintenance cost
現有的gsm無線公話多存在性能單一,不易升級,不易維護的問題,在此基礎上,西安易安信科技股份有限公司提出基於32位嵌入式系統的gsm無線公話解決方案,該方案具有穩定性好,易於擴展等優點,並且實現遠程代碼下載,極大降低維護成本。In this article firstly i analyze the development, features and architecture of the distributed system, and discuss the main distributed component technology and web services technology, propose a plan which implement the sealless integration of these reservoir systems with web services technology
論文首先分析了分散式系統的發展、特點和體系結構,然後分別論述了當前主流的分散式組件技術、 web服務技術。提出了以web服務方式實現各個水庫系統的無縫集成和數據共享的設想。I have been worked hard at it for long time and propose a step - reservoir distributed system software architecture based on. net framework, which solve these problems discussed above. it implement the sealless integration of every reservoir system ? in the same time it offer the managers a friendly operation with web services technology
Net框架的梯級水庫分散式系統軟體架構,從而實現各級水庫系統的無縫集成,並且實現了以組件化的web服務方式為遠方的客戶提供人性化的管理,確保了上級部門對梯級水庫運行情況的準確掌握。It is very important to develop the paperless recording instrument ( dr1000 ). the study are based on the concept of intellectualized instrument, and i have adopted the method of low - cost automatic system. in the hardware, bring up an embedded system of single chip based on cpu ( 80c ! 96kc ) ; in the software, i used series 96 compile language and visual program based on vb in recording instrument
本課題提出開發的無紙記錄儀是從智能儀器儀表開發的概念出發,採用低成本的自動化小系統的研究方法,提出了一種在硬體上基於以80c196kc為微處理器的單片機控制的小嵌入式系統,在下位機軟體基於96系列的通用匯編語言,而上位機基於vb的可視化編程。In the thesis, firstly, the feature of embedded system is introduced ; secondly, the author introduces the classic general component models and tell us why the general component models cannot yet be easily applied to embedded systems development ; then do a feature analysis to currently existed component models for the embedded system and raise a new component model - ecom for the embedded system ; then the author describe the features ecom component model including the reuse level -. non - functional resource constraints.
本文首先對嵌入式系統的特點進行詳細的說明,然後介紹了當前的通用組件模型com dcom 、 corba 、 javabean ejb ,並分析了通用組件模型在嵌入式系統中不適用的原因,接著分析了當前的幾種嵌入式組件模型的優缺點,提出了適用於嵌入式環境的組件模型? ecom ,並詳細描述了ecom組件模型元素、組件復用方式、非功能性約束、實現語言無關性、可維護性、可移植性等。This paper is first described backgroud and currence of gsm public phone, second is described technological requirement by ministry of information industry, third is detaiedly described the solution based on 32 - bit embedded system, subsequently is briefly described the embedded development platform - - sic33 on which the solution is based, then is detailedly described the hardward drivers, by which a test report is followed to prove the solution is viable, finally some conclusion is concluded
本論文首先說明gsm無線公話產生的背景及現狀,第二章說明根據信息產業部和市場反饋制定的詳細需求,第三章說明確定的系統總體設計方案,第四章簡要說明構建該方案所用的sic33嵌入式系統平臺,第五章詳細說明作者負責設計的硬體驅動部分,第六章給出實際產品的測試報告,最後對本論文進行總結。This paper introduce the status and fuction of radio monitor in the radio spectrum management at first, and explain radio monitoring center build every specification requirement put forward to national radio monitoring system, at the sam time, the paper analyses the radio interferece, examineto error, the comprehensive pain of design of monitoring system of handling, combining the actual proposition hi our province
本文首先對無線電監測在無線電頻譜管理中的地位作用和職能作了介紹,闡述了國家無線電監測中心對全國無線電監測系統建設提出來的各項技術要求,並從理論上就在無線電系統建設中需解決的無線電干擾,測向誤差,電磁兼容等問題作了分析。然後結合我省無線電管理工作的實際提出了搬移式綜合監測系統的設計方案。Adsl is generally apply to the soho accessing to internet, we present the design of the adsl soho gateway, including the hardware and software implementation. both hardware and software are contracted designed, we adopted elansc520 as the cpu, plus 2m flash and 16m sdram, and it ' s a typical example of embedded system. we adopted itex ' s apollo 3 pci solution as the uplink end, realtek 8029 and wlan at the other end. we adopted linux as the gateway operating system and integrated some application with it to implement dhcp, snmfj and firewall etc
我們採用amd公司的elansc520做網關的cpu , 2m的flash , 16m的sdram , rs - 232介面,這些可以看作是嵌入式系統的典型配置,採用itex的apollo3adslpci解決方案作internet的接入部分,即上行埠uplink ,另一側為以太網或無線局域網接多用戶,介面為rj - 45 ? ? o和無線訪問點( ap )天線,提供了靈活方便的組網方式,可以廣泛應用於家庭,小型辦公室的接入,如pc機、筆記本、列印設備的互聯。Transit and rail industries in many nations have already adopted the digital system as their regular radio communications system. in asia for example, the digital trunked radio system has already been adopted for system expansion or replacement by several organizations. these include the transit northeast line in singapore 1991, the mass transit system smrt in singapore 1998, the high speed railway in malaysia 2000, the guang - zhou subway in china 2000, the west line of guang - jiu railway in china 2000, the peking light railway in china 2001, and the new delhi transit system in india 2001
據了解現在各國新建捷運路網無線電系統規劃方式,有往數位干線式無線電系統發展之趨勢,並且已成各國捷運及鐵道工業無線電通信的主流標準,以亞洲為例:新加坡捷運東北線( 1998年) 、新加坡高運量捷運smrt ( 1998年) 、馬來西亞快速鐵路( 2000年) 、中國廣州地鐵( 2000年) 、中國廣九鐵路西線( 2000年) 、印度德里捷運( 2001年) 、中國北京輕軌系統( 2001年) .均已於系統擴建或新建時規劃採用數位干線式無線電系統。The purpose of web services is to construct a technology layer that are independent of platform or programming language on the basis of existing various kinds of different platforms. the application on all kinds of platforms relies on this technology layer to implement the mutual connection and integration, so web services create a kind of open distributed system that makes any enterprise and individual in any place can utilize web service and engage in various kinds of business activity and other various kinds of activity
Web服務技術的目的就是在現有各種異種平臺的基礎上構築一個通用的、與平臺和語言無關的技術層,各種不同平臺之上的應用依靠這個技術層來實施彼此的連接和集成,從而創造一種開放的分散式系統,使得任何企業和個人在任何地方,都可以快速和便宜地利用web服務從事各種商業活動和其他各種活動。This paper divides into six chapters : the first chapter - base on the analyses of the origin, conception and development status of sr, this chapter discusses the key technology and realize difficulties of sr and advances the intention and meaning of the paper. the second chaptei - the sr system with radio frequency band - pass sampling architecture is a design scheme close to software wireless radio ( swr ), this chapter introduces three system architecture of sr system and analyses the theory of radio frequency band - pass sampling. the third chapter - this chapter analyses and designs the dsp hardware platform with radio frequency band - pass sampling architecture
本論文分為六章:第一章在分析軟體無線電的起源、概念、發展概況的基礎上,闡述了軟體無線電的關鍵技術及實現難點,提出了本論文研究的目的與意義;第二章射頻直接帶通采樣軟體無線電結構是接近理想化的軟體無線電設計方案,本章對軟體無線電系統的體系結構及射頻直接帶通采樣原理進行了分析;第三章分析並設計了射頻直接帶通采樣結構軟體軟體無線電系統的dsp硬體平臺;第四章研究了調制解調及信號調制樣式的識別演算法並給出了dsp實現,這是在dsp平臺上實現軟體無線電功能的一種常規方法;第五章分析了應用快速原型技術開發軟體無線電系統的必要性及可行性,完成了軟體無線電系統的matlab模擬及結合ti公司的tms320c6711dsk板的快速原型實現,這也是本論文提出的軟體無線電的一種新的研究方法。The appearance, concept and primary genres ( corba com / dcom and java / rmi ) of distributed object technology are discribed in brief, and then core a specification is discussed in detail in this paper. the advantages of corba, such as flexibility, platform - independent and extensibility, are analyzed in depth. these analysises demonstrate that corba is the best scheme to solve the problems such as cross - platform, cross - operation system, cross - language, cross - protocol and cross - edition in distributed systems, and corba is the principal specification to construct a software bus
然後,對corba標準規范進行著重介紹,並通過對corba的機構靈活性、軟硬體平臺無關性、系統可擴展性等優點的深入分析,論證了corba是目前解決分散式系統開發時所面臨的跨平臺、跨操作系統、跨語言、跨協議、跨版本等一系列問題的優化方案,是構建軟體總線結構的首選標準。This paper advances a new idea of combining the two kinds of technology after analyzing the features they have in common. systems will be efficiently developed with software blocks if system design, simulation, code generation, debugging and the generation of target software radio systems are carried out in an environment for rapid prototyping
本文分析了這兩種技術的共性與互補,提出了將它們加以結合進行系統開發的新思想,即應用快速原型的軟硬體開發環境,方便快捷地完成軟體無線電系統的系統級設計與模擬,生成用於定義硬體結構與系統功能的軟硬體代碼,進行調試糾錯,並最終完成目標系統的生成,實現軟體積木式的高效系統開發。The test results indicate the sensor networks object tracking system is sensitive to the cost of sensors and synchronization of time windows, furthermore, it validates that embed system level design methodology based on ptolemy can direct wireless sensor networks system design correctly and feasibly
測試結果表明:無線傳感器網路目標定位系統對于無線傳感器節點的功耗及信息時間同步窗口具有敏感性,符合無線傳感器網路目標定位系統應用特性,驗證ptolemy嵌入式系統級設計方法學對于指導無線傳感器網路系統設計的正確性和可行性。The paper discusses the design and implementation of wireless sensor networks system based on system level design methodology, doing research about the embedded system level design methodology based on ptolemy ii, and using hierarchical heterogeneity design methodology based on ptolemy ii to guide the design of wireless sensor networks system
本文主要研究無線傳感器網路系統在嵌入式系統建模模擬平臺ptolemyii下系統級建模設計與實現。研究ptolemyii嵌入式系統級設計方法學,並遵循ptolemyii所採用的層次異構的設計思想,指導並完成無線傳感器網路系統模型的設計與實現。The video collecting system with embedded video server becomes the focus of development. its advantages include small size, low power consumption, fast processing speed, good real - time property, stable performance, easy to install, no extra devices and no territory restriction
而以嵌入式視頻服務器為核心的視頻採集系統成為了發展的重點,其既具有嵌入式系統體積小,功耗小,處理速度快,實時性好,性能穩定的特點,同時又具有安裝方便,無需附加設備,無地域限制的優點。While for most of the network - based dis - tributed systems, resource requirement scale and time of the processes are uncer - tainty, the avoid method can not forecast all the possible states, therefore another deadlock resolve method, the deadlock detection method may be the better choice for distributed systems
而大多數分散式系統中的進程對資源的需求時間和規模是不確定的,避免演算法無法應對所有的可能情況,此時可行的死鎖處理方法是死鎖的檢測和解決。In this paper, we firstly introduce the target hardware and software platform. then we make the porting plan beginning with analyzing the cross - platform developing and debugging technologies of embedded system software. later, we research the theory of the boot loader, the architecture of linux kernel and the design of linux device drivers, by dividing hardware dependent section from hardware independent section, esp
本文從嵌入式系統軟體的交叉開發與調試技術入手,闡述目標軟硬平臺並提出移植方案,同時為本次移植工作建立交叉開發工具鏈;接著研究了系統引導程序的原理, linux內核的體系結構及設備驅動的設計,並將內核中與硬體體系結構相關的、特別是與系統移植相關的部分和體系結構無關的部分區分開來。分享友人