嵌式開關 的英文怎麼說
中文拼音 [qiànshìkāiguān]
嵌式開關
英文
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Involuntarily, questions of these engineering datas " management appear, datas " persistance only depending relational model and rdbms is greatly insufficient, so this paper carefully studies object - relational mapping based on rdbms based on the analyse of home & overseas actualities, correlative theories and realizing methods of object - relational mapping, we find opl based on rdbms is the most suitable for object relatinoal mapping of clera. based on the engineering application analyse of opl in clera, function requirements, database modes, interface criterions and functions, running modes of opl have being detailedly described. with the framework of microsoft dna, a kind of realizing method of opl based on com / dcom / activex component technology has being brought forward, and this paper describes realizing keys from base tables " definition, object id and class hx class and inheritance of class, object storage, parallel control and affair, object query, object nesting, relations between objects, support of complex data types, right control of object and buffer management of object
本文在分析對象?關系映射技術的國內外現狀、相關理論及實現方法的基礎上，研究發現基於rdbms的opl是目前最適合clera的對象?關系映射方法；在clera的opl應用分析的基礎上，詳細描述了opl的功能要求、數據庫模式、介面規范與功能、運行方式等內容；結合microsoftdna開發框架，提出了一種基於com dcom activex組件技術的opl實現思路，並從基本表定義、對象標識與類標識、類與類繼承、對象存儲、並發控制與事務、對象查詢、對象嵌套、對象間聯系、復雜數據類型的支持、對象級權限控制及對象緩沖管理等幾方面概述了實現要點。The system has advantages of carriable, easy to upgrade and expansive, etc. the paper studies the key technologies of development embedded system with the background of 3d laser distance meter system
本文以三維激光測距系統為應用背景，深入研究了嵌入式系統開發過程中的關鍵技術並進行了實現。While the key of embedded system software is embedded operation system ; one of the main works in os application is to write the hal ( hardware abstraction layer ) code. two open source code embedded operation system - uc / os and embedded linux were analyzed in this paper
文中作者以broadcom主板為硬體平臺（基於motorola通信處理晶元mpc850 ）對兩種公開源代碼的操作系統uc os和嵌入式linux進行了研究與應用設計，其中的關鍵步驟是編寫硬體抽象層介面程序。In the home network, the central device is the home control center ( home gateway ), to which information applians, safeguard and other devices are connected by various means, including rs485 and ethernet. the inner home network communicates with the outer network via the control center, and the control of information applians from the outer network will be performed through it as well. intel strongarm sa1110 serves as its hardware platform, the embedded linux as its operation system, and qt / embedded as its gui
在家居網路中，系統核心是家居控制中心（家庭網關）部分，家電，安防設備等通過rs - 485或ethernet等物理連接到控制中心，家居內部網路與外部網路的連接、控制等都是通過控制中心完成，本課題中的家居控制中心硬體平臺採用了intelstrongarmsa1110開發系統，嵌入式操作系統為linux ，圖形界面為qt embeded 。The first chapter discusses the concept of embedded system and explore mode as a whole ; the second chapter recommends the feature of real - time operation system, especially the psosystem, the basic system of this item ; the third part gives the principle of gateway ; the forth part lists the item process guideline, and then introduces the design of hardware and software and item test procedure, and at last analyzes the improvement plan according to test
第二章介紹了嵌入式操作系統的特徵，並詳細介紹了本項目的核心基礎psosystem 。第三章以數據通信為著眼點介紹了網關的工作原理。第四章提出了項目開發指標，並從硬體設計、軟體開發和項目測試等方面詳細介紹了項目開發過程，給出了測試結果，並分析了項目的改進方案。The department of computer science and engineering added in color lcd displays and bluetooth communication devices. with the installation of these systems, the embedded system laboratory will be able to bring its research and teaching activities to a new horizon and to work more closely together with leading educational and industrial institutions
中大計算機科學及工程系將為各系統加設彩色液晶示顯及藍牙通訊部件；添置該等系統后，嵌入式系統實驗室設備將媲美世界一流水平，促使研究與教學再上一層樓，更能與先進的學術及工業機構展開較多的合作關系。The main contributions of this dissertation are as follows : 1 ) forms a scheme of network maintance as well as realiztion of the problem testing software after a thorough analysis of the regular network problems and a pertinent comment on the merits and demerits of the network detection and maintainance methodology. 2 ) presents approaches to the realization of principles of network health testing, network resources list and connectivity testing in the network problem testing software, and gives a in - depth analysis of the key issues in design process with vivid flow charts and convincing testing results. 3 ) ponits out possible problems and offers feasible solutions in the migration and development of the embedded software from six aspects, touching upon byte order, semaphore, coding optimization, etc. 4 ) discusses the exception handling mechanisms and debugging process for the sake of improving software robustness
本文的主要工作如下: 1 ）研究了以太網常見故障並對網路探測維護方式的優缺點進行了詳盡分析，根據項目要求確定了本系統的網路維護方案，並對故障測試軟體的總體實現方案進行了設計; 2 ）闡明了網路故障測試軟體中網路健康測試、網路資源列表、連通性測試的原理，提出了相應的實現方案，分析了設計過程中的關鍵問題，並給出軟體流程圖和測試結果; 3 ）從位元組序、信號量、代碼優化等六個方面談論了嵌入式軟體在移植開發中的注意事項; 4 ）為提高軟體的健壯性，討論了本嵌入式系統軟體採用的異常處理機制以及軟體調試過程中的。The main content of the project contains the status of the rfid application research, the principle of the signal process and coding of the rfid application system, the principle and design of the rfid security system, the principle and design of the rfid card reader device, the design and implementation of the embedded ethernet communication module and it ' s key technology, the analysis and the implementation of the eatery rfid application system, the general scheme of the project and the synthesis and the prospect of the research
課題研究的主要內容如下： rfid應用研究現狀，射頻識別應用系統的信號處理及編碼技術，射頻識別應用系統的安全原理及設計，射頻識別應用系統的讀寫設備設計原理及應用開發，嵌入式以太網通信模塊的設計及關鍵技術，食堂射頻信息管理系統應用設計，食堂射頻識別應用系統的總體設計與課題總結與展望。At last, on the basis of the practical example of lianyuan " s control network and data network integration technology, this paper brings up a new monitoring and control system c onstruction frame that based embedded tcp / ip protocol, taking use of the technology of embedded network. also in this paper, designs and implements it with the use of related technologies of hardware and software, and discusses and implements the three main questions : the design of the front equipment of collecting ; the managing and scheduling technology of the multi communication threads in communicating module of monitoring and control system ; the data processing
本文最後以鏈源鋼鐵廠一個實際的監控網路和數據網路一體化的項目要求為例，提出了在該系統中引入嵌入式網路技術，並由此設計了一種基於internet intranet的嵌入式的企業監控網路和數據網路的體系結構框架，利用有關的硬體與軟體技術，進行了設計與開發實現，並對基於internet intranet嵌入式監控系統的三個核心問題：基於嵌入式tcp ip協議的採集前端設備的系統設計，通訊模塊中多通訊線程的管理與調度以及數據的處理進行了探討與實現。High resolution digital smps becomes the hotspot in the power supply field. more and more attention has beed payed to how to realize high resolution digital smps, and it has already taken a long step develop. improving the resolution of digital smps by new techniques becomes a forever topic. under the learning of the status and develping trend of smps, considering the practical requirement of task, a control system of smps implemented by microcontroller with high resolution, high speed, high integration is carried out. by combining the embedded system and power electronics, it is discussed that a high resolution smps ’ s output voltage with 0. 01 % resolution pwm wave output, in the basis of microcontroller, and the pwm wave double modulation arithmetic
不斷用新技術手段實現數字開關電源的高精度是一個永恆的話題。經過了解國內外開關電源的發展現狀和發展趨勢，結合實際課題的要求，提出了使用高精度、高速度、高集成度的微控制器組成開關電源的控制系統。討論了將嵌入式系統與電力電子結合，在微控制器硬體基礎上通過軟體pwm波雙調制演算法輸出高精度pwm波，實現開關電源輸出電壓的萬分之一精度的方法。This part is including research on sensors and components selecting, design of main - controller, peripheral interface and application software. in addition, the control arithmetic is also studied
開發了基於dsp的嵌入式步行足控制器，進行硬體電路及相關軟體包設計，並對控制演算法進行了研究。Firstly this paper introduces relative information of hdtv - stb, including the brief introduction of cable hdtv, the embedded rtos st20, the development kit for st20, the driver module related with osd and the gdp layer in hdtv - stb. then the the way gfx implemented is expounded. finally the hdcp communication protocal on hdmi is developed considering the digital patent protection
本論文首先介紹了高清數字機頂盒相關知識，包括:有線高清數字機頂盒簡介， os20嵌入式實時操作系統， st20嵌入式開發工具， osd相關的驅動模塊和高清機頂盒中的圖形顯示層gdp ;然後，闡述了gfx圖形模塊的開發和高清數字機頂盒用戶界面的實現;最後，考慮數字版權保護，設計和實現了機頂盒hdmi介面的hdcp通信協議。This paper also takes special research on such a series of questions as below : the development of embedded operating system ( os ), the advantages of linux os to develop embedded os are analyzed, the development of embedded linux os is studied from the kernel making, customizing file system, and system booting. the embedded image processing application technology, a focus is taken on the research of the relation between embedded system application technology and image processing technology when the embedded image processing application development is carried out, the new development of image processing technology in embedded system environment and the features of embedded system of image processing application are analyzed. graphic user interface ( gui ), the current popular gui technology is introduced, and the main features of them and the reasons to choose minigui are analyzed, the implementation of minigui and the method to develop graphic application based on minigui are studied, too, it works well in practical application
本文在此背景下，圍繞在實施導彈打擊過程中涉及到的有關圖像處理設備的嵌入式化過程，對于嵌入式圖像處理系統應用技術進行了全面的研究，提出了嵌入式圖像處理系統的開發流程和步驟，並對其中的一系列問題進行了專門研究，在實例應用中取得了很好的效果，這些問題包括：嵌入式操作系統開發，分析了使用linux操作系統進行嵌入式操作系統軟體開發的優越性，並且從內核定製、文件系統裁剪、系統啟動等幾個方面研究嵌入式linux操作系統的開發；嵌入式圖像處理應用技術，著重研究了嵌入式系統應用技術和圖像處理技術在進行嵌入式圖像應用開發時的相互影響，分析了在嵌入式系統環境下圖像處理技術的新發展以及在圖像處理應用中嵌入式系統的一些特點；圖形用戶界面，介紹了目前集中流行的gui技術，並分析了其主要特點以及採用minigui的原因，研究了minigui的實現原理，以及如何進行基於minigui進行圖形應用程序的開發，在實際應用中取得良好效果；實時性研究，分析了在操作系統中影響系統實時性能的因素，研究了linux操作系統的幾種實時解決方案，並對于操作系統的進程調度機制進行了有針對性的研究。With the background of the work in " the developing platform and key technologies for vehicle electric system ", this thesis mainly focuses on the research of domain engineering. firstly, analyses component and architecture of component, concludes some concepts of component and the architecture of componet, secondly, researches three type general component model and compare them, thirdly, carefully researches the technology of face domain of the development of embedded component, not only anlysises hardware and software feature of the embedded system and the concept of embedded component, but also the relation of general component model and embedded system. finally, researches the development technology of embedded component in domain, and explains carefully the concept of domain engineering and the three important activities of domain engineering : domain analysis 、 domain design 、 domain implementation, and explains the concept of application engineering and the relation of domain engineering and application engineering, then explain the theory of requirement engineering and component library
首先，分析了組件和組件框架的概念，對三種通用組件模型進行分析比較;其次，在面向領域的組件化嵌入式軟體開發技術方面也進行了深入的研究，不僅分析了嵌入式系統的軟硬體特點和有關嵌入式組件的概念，而且探討了通用組件模型和嵌入式系統之間的關系;最後，研究了面向領域的組件化嵌入式軟體的開發技術，闡述了領域工程的概念和領域工程的三個重要活動:領域分析、領域設計、領域實現，也詳細的闡述了應用工程的概率以及領域工程和應用工程的關系，然後還闡述了需求工程和組件庫的有關理論。Abstract with the foundation of real - time, fault tolerant, standard compatibility, a standard for embedded real - time os was suggested, which included embedded os architecture, supported hardware, schedule management, memory management, inter ? process communication, timer performance, network support, file system, driver development and debug and so on
摘要以與實時系統開發過程密切相關的實時性、故障容錯和標準兼容性等關鍵特徵為基礎，提出一套對嵌入式實時操作系統性能衡量的標準，涵蓋體系結構、硬體支持、調度管理、內存管理、進程間通訊、定時性能、網路支持、文件系統、驅動編程以及開發調試等關鍵特證。With the foundation of real - time, fault tolerant, standard compatibility, a standard for embedded real - time os was suggested, which included embedded os architecture, supported hardware, schedule management, memory management, inter - process communication, timer performance, network support, file system, driver development and debug and so on
摘要以與實時系統開發過程密切相關的實時性、故障容錯和標準兼容性等關鍵特徵為基礎，提出一套對嵌入式實時操作系統性能衡量的標準，涵蓋體系結構、硬體支持、調度管理、內存管理、進程間通訊、定時性能、網路支持、文件系統、驅動編程以及開發調試等關鍵特證。Abstract : taking a deep basal pit in wuhan as a case history, this article adopts the numerical simulation method ( finite element method ) to study the variation of pit excavation depth 、 anchor prestress 、 pile width and embeded depth of pile and their relationship with the horizontal deformation and displacement of the tiedjogglepile
文摘:以武漢某深基坑為例，採用有限單元數值模擬方法，研究基坑開挖深度、錨桿預應力、樁體厚度、樁體嵌入深度的變化與其錨式連鎖灌注排樁支護結構水平變形位移的關系。It suits in 220 500kv voltage rank ’ s electrical power system breakdown recording. uses 32 - bit embedded microprocessor arm and the high speed dsp multi - tasking ; designs the fpga hardware data sampling controller to produce the control signals, and guarantee sampling precision ; may record 36 groups analog signals and 80 groups switches signals ; uses distributed and modular design distributionally, may dispersely install in the screen cabinet, also may be linked to a management computer or transfer data to the far control center through the 10m / 100m ethernet
它適合於220 500kv電壓等級的電力系統故障錄波。採用32位嵌入式微處理器arm與高速dsp并行工作;設計了fpga硬體數據采樣控制器產生控制信號，保證采樣精度;可以記錄36路模擬量和80路開關量;採用分散式、模塊化設計，可以分散安裝在屏櫃中，也可以通過10m / 100m以太網級連到一臺所級計算機或遠傳到調度中心。Combined theory with practice, and with the beginning of emit ( embedded micro internetworking technology ), i analyze the crucial part of emit, emgateway, and the emnet protocol. with the research of the emit theory, i design some application based on types of lightweight networks. in addition, using the embedded networking solution of the beijing mcu open lab, i develop the application of internet meter reader, which can be used to compared with emit
作者採用理論研究與實際開發相結合的方法，以美國emware公司的emit技術為切入點，對其嵌入式微型網際網路技術的核心emgateway的功能和emnet協議進行了重點分析與研究，從理論上深刻剖析了作為嵌入式網關所應具有的功能以及作為嵌入式網路協議設計所應考慮的問題，為深入掌握嵌入式網路的核心技術以及自主設計嵌入式網路打下堅實的理論基礎。In the light of particularity of the hardware platform of the embedded gateway, clinux was embedded into the hardware platform
針對嵌入式網關的硬體平臺，對clinux進行了修改和配置，建立了基於clinux的軟體開發環境。分享友人