電路設計概論 的英文怎麼說
中文拼音 [diànlùshèjìgàilún]
電路設計概論
英文
introduction to vlsi design- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 設 : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 概 : Ⅰ名詞1 (大略) general outline 2 (神氣) manner of carrying and conducting oneself; deportment ...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
- 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
- 概論 : (多用於書名: 概括的論述) outline; introduction; survey: 《化學概論》 an introduction to chemistry
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The second section described the accounting issues brought by cyber economy environment including the impact to the accounting suppose, accounting target, the content, the means, the process of accounting checking and the impact to the accounting information system. the third section described the ideas of the innovation of cyber economy environment emphases on the accounting business process reengineering, accounting information system innovation, assets affirmance, accounting settlement under the cyber economy environment. on basis of the third section, the fourth section analyzed the cyber accounting ' s origins, developme nt, characteristic and problems occurred in the development of the cyber accounting
本文共分四章,第一章論述了網路經濟環境下會計環境的變遷,分析了網路經濟的產生與特點,概述了電子商務及虛擬企業的特徵,並指出對企業的組織、生產、管理環境帶來的巨大變化;第二章闡述了網路經濟環境引發的會計問題,包括對會計假設、會計目標、會計核算內容、方法、流程及會計信息系統的影響;第三章提出了對網路經濟環境下的會計創新的設想,重點論述了網路經濟環境下的會計業務流程重組與會計信息系統的變革,網路經濟環境下的資產與會計確認,以及會計結算等方面的創新設想;在第三章討論內容的基礎上,第四章具體分析了網路會計的產生、發展及特點,並分析了網路會計發展過程中存在的主要問題,針對這些問題,提出了相應的對策。On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory
論文著重介紹實現了跳頻通信系統同步的一般方法,並詳細分析和對比跳頻同步系統的捕獲方案,在此基礎上,提出了一個基於匹配濾波器的位移等待式自同步方案,設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單,該自同步方法在實驗室水池實驗取得良好的效果,並在廈門港海域進行了現場實驗測試,具有較低的誤碼率和一定的檢測概率,結果令人滿意。Following the research route of mend with study and development with creation, give the definition of risk and the methods of risk identifying, divide the risk attitude into risk loving, risk neutralism and risk avoiding, point out the importance of enhancing the risk consciousness for lightning hazard, and summarize the mechanisms of lightning hazard the theories and methods of risk assessment for lightning hazard. provide a set of risk assessment parameters for lightning hazard, which includes lightning times n, hazard probability p, hazard loss d, hazard risk r and protection efficiency e, and give the definition, decisive factor, value method and value scope of each parameter. establish a risk assessment model for lightning hazard which includes lightning hazard base module, lightning hazard probability module, lightning hazard loss module, lightning hazard accepted risk module, lightning protection cost module, correcting coefficient module, lightning hazard risk module, and lightning protection class and efficiency module
遵循借鑒改造和發展創新的研究思路,給出了風險的定義和風險識別的方法,將風險態度分為風險喜好型、風險中庸型和風險逃避型,指出了提高雷電災害風險意識的重要性,總結了雷電災害的作用機制和雷電災害風險評估的理論與方法;提供了包括雷擊次數n 、雷災概率p 、雷災損失d 、雷災風險r和雷電防護級別與防護效率e等5類基本參數的雷電災害風險評估參數體系,並給出了各個參數的定義、參數的決定因素和取值方法以及取值范圍;設計了包括雷電災害基礎模塊、雷電災害概率評估模塊、雷電災害損失評估模塊、雷電災害允許風險評估模塊、雷電防護成本評估模塊、校正系數模塊、雷電災害風險評估模塊、雷電防護級別與效率分析模塊等8個模塊的雷電災害風險評估模型,評估模型以iec61662的評估模型為基本參考,以雷災損失d為中心,把雷災風險劃分為經濟雷災風險r _ e和人身雷災風險r _ l ,並對r _ e和r _ l分開單獨處理。This paper studies the design documents of the avionic system detailedly, including the interface control document and detailed design requirements, and summarizes the data structures and the communication formats of the system, and designs the simulation database. this paper also studies some protocols such as gjb289a, arinc429 and udp etc, and then determines the methods of data processing. according to the theory of the software engneering, this paper completes the requirements analysis, the globle
本文根據設備的具體設計要求,完成了模擬設備的硬體設計;詳細研究了航電系統的系統設計文件? ?介面控制文件和詳細設計要求,總結出了航電系統的數據結構和消息通訊格式,並在此基礎上設計了用來表達模擬對象的關系型模擬數據庫;研究了gjb289a 、 arinc429等總線協議以及udp網路協議,明確了各類數據的處理方法;按照軟體工程的開發理論,完成了模擬軟體的需求分析、概要設計和詳細設計,進而通過編程在labwindows / cvi環境下實現了一個界面友好、靈活通用的模擬平臺。Firstly, the circumstances of focimeter, the working principle of automatic focimeter, the mcu arm and the picture sensor are introduced in this paper. and then based on the optical principle of the automatic focimeter, the research on the optical arithmetic of lens ’ parameters and the arithmetic on the picture point are presented. and after that, the design of the whole system, the design of the optical system, the design of the mechanical system and the design of the electrical system are discussed. and then the design of the hardware system and the design of the software system are emphatically discussed
本文首先介紹了焦度計的概況、自動焦度計的工作原理、 arm單片機及圖像傳感器;然後結合自動焦度計的工作原理,對焦度計中一些光學參數的演算法以及中心像點的位置檢測演算法進行了研究和討論;接著介紹了總體方案的設計、光路系統的設計、機械繫統的設計以及電氣系統的設計;接下來重點討論了硬體和軟體的設計。The concept provides a framework for systematizing things in disorder in the integrated circuits design industry. 2
集成電路工程概念的提出為設計領域內原本無序的活動的科學化和理論化提供了一個框架。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。Considering the requirement of communication network, a local area computer communication system of plc based on usb interface was given after analyzing the application model of plc. then after theoretical analysis and digital simulation, the plc modem and the computer interface models were designed. the design of software about the two models was also finished
本文首先介紹了電力線通信技術在國內外的研究概況,分析了電力線載波通道的傳輸特性,討論了適合於電力線通信的擴頻載波通信方式,然後結合通信網路的要求,在分析電力線通信應用模式的基礎上,提出了一種基於usb介面的室內計算機電力線通信方案,進行了理論上的分析和數字模擬,設計了電力線modem模塊和計算機介面模塊,編制了相應的軟體程序,並對軟體進行了測試分析。Concretely, on the basis of describing the communication specification of arinc 429 with enhanced parallel port ( epp ), the standard and the module application of dsp and cpld, the thesis has proposed the design of the arinc 429 technology based on dsp system. at first, the function and the application of each module of the system and the operation principle of high - performance cmos bus interface circuit hs - 3282 chip which forms the main body of the data diversion of the interface module are introduced. secondly, the hardware structure of the interface module is described in detail, mainly including data latch and buffer circuit, choice circuit of transmission rate, etc. and then the design philosophy and flow charts of the software are fully discussed, such as the basic requirement of software, the design and realization of the function
本文在簡單的論述了pc並口協議( epp )與dsp之間的通信方法、 cpld模塊邏輯控制應用和arinc429的通訊規范的基礎上,給出了基於dsp的arinc429通訊介面的設計方案:對通訊板中各模塊的功能和應用以及構成數據轉換主體的總線介面晶元hs - 3282的工作原理做了說明;介紹了本設計所用的dsp和cpld的功能概況;詳細敘述了通訊板介面模塊的硬體結構設計,其中,對數據緩沖電路、數據傳輸速率選擇電路、邏輯控制電路等各關鍵點做了重點介紹;具體闡述了軟體設計思想及流程圖,包括軟體的基本要求和功能的設計與實現;接著從埠譯碼單元、 i / o通道、電平轉換電路等方面進行了介面模塊的軟、硬體調試;最後,給出了測試結果,對研製工作做了總結,對本設計的優缺點各做了評述。The basic principle of natural gamma - ray log is stated, the developing background, developing ways and developing situation of natural gamma - ray tools are introduced. the researching task of the paper is presented through analyzing the using situation and questions exsisted in inner natural gamma - ray tools, the researching work is started from three aspects, they are logging tool development, reliability design and reliability assuring methods, and the data processing methods, in the course of logging tool development, instrument indexes are presented based on the compatible property of sookbps telemetry system and environmental property, the analog measuring chanel and the interface circuit which realizing the compatible performance are designed according to the instrument mdexes. the detecto * design. the plateau property testing of the detector and the analysis of it ' s affecting factors are stated, the measuring property of the tool is discused, a new type of single chip microcomputer is selected when designing the interface circuit, and the laboratory experiments has fulfiled conmunieating standard signals between the interface circuit, the universal interface unit of sookbps telemetry system and also 500kbps telemetry system
本文首先概要介紹了石油測井的基本概念、方法、條件、最新進展、以及應採取的研發對策,論述了自然伽瑪測井的基本原理,介紹了自然伽瑪測井儀的發展背景、發展歷程和發展現狀,通過分析國內自然伽瑪測井儀的使用情況和存在的問題,提出了本文的研究任務。研製工作從測井儀研製、可靠性設計與可靠性保障技術、數據處理方法研究三個方面展開,在測井儀研製過程中,根據500kbps遙傳系統要求的配接性能和使用環境特徵,提出了主要儀器指標,並根據這些指標,設計了儀器模擬測量通道和實現這一配接性能的介面電路;論述了探測器的設計、坪特性影響因素分析及其測試,探討了儀器的測量性能;在設計介面電路時選用了新型單片機晶元,並與500kbps遙傳通用介面單元rtu 、 500kbpa遙傳系統實現了室內配接。The paper introduces these technologies as fellows : ( 1 ) the overview of virtual instrument ( 2 ) pci bus protocols and specifications ( 3 ) hardware section analogue signal conditioning circuit high speed a / d conversion circuit fpga circuit pci bus interfacing circuit ( 4 ) software section visual c + + programing hardware driver programing vhdl programing ( 5 ) the method and result of system test
論文從以下幾個方面進行了闡述: ( 1 )虛擬儀器概述( 2 ) pci的協議規范( 3 )硬體電路設計模擬信號調理電路設計高速a d轉換電路設計fpga電路設計pci介面設計( 4 )軟體設計visualc + +編程設計底層驅動軟體編寫設計vhdl編程設計( 5 )系統調試方法和結果Mathematical program based on physical insight of em - theory wiil be applied to the circuit board emc analysis and design
課程概述與目標:貫通數學程式與電磁理論之物理觀念、應用於電路基板之電磁相容分析及設計。In the chapter 4, the basic concept and characteristics about the current model circuit and transconductor ( gm ) are given. in order to optimize the performance of gmce, four linearization techniques and the design of consequently successful circuits are investigated and proposed. at last, the four linearization techniques are summarizes
第四章討論了電流模式電路及跨導器的基本概念及性能特點,重點研究並給出了改善輸入級傳輸特性的線性程度並擴大線性范圍的四種方法,介紹在這方面比較成功的一些電路設計,總結了這四種方法的異同點。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。Concept and related technique that this text is with the dalian electric power school campus network programming with design to background, and commence from the campus network, detailed treatise the programming of the campus network is with whole process that design
本文以大連電力學校校園網規劃和設計為背景,從校園網的概念及相關計算機網路技術入手,比較詳細地論述了電力學校校園網設計與實現的整個過程。Then according to the emphasis of the design, went deeply into the theory of pll frequency synthesizers widely used, described pll ’ s working principle, structure and several types in detail, and made research and analysis of pll frequency synthesizers ’ phase noise, including the effect of the active loop filter on the phase noise, and give some methods to make improvement as well, such as changing loop filter form, reducing divide number, and increase phase detector frequency, etc. then paper introduced the principle character and phase noise analysis of direct digital frequency synthesizer ( dds ) and injection phase lock circuit, which are also important circuits in the design
論文首先對幾十年頻率合成器的發展進行概述,而後針對本次設計的重點,對應用較為廣泛的鎖相頻率合成理論進行了深入的探討,詳細介紹了鎖相環的工作原理、組成結構和鎖相類型,並對鎖相頻率合成器的相噪特性進行了研究分析,包括有源環路濾波器對于相噪的影響,提出了改善相位噪聲的幾點措施:改善環路形式、降低分頻數、增大鑒相頻率等。接著介紹了直接數字頻率合成器( dds )和注入鎖相電路的原理特點以及相噪分析,它們也是本次設計的重要電路。Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed
論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構;第二章對系統內置110v直流控制電源進行了分析和設計,結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施;第三章論述了步進電機的驅動,結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路,並在試驗中得以驗證;第四章詳述了液晶驅動及顯示技術,利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路,設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼;第五章則將以上構建的整個系統應用在機車受電弓的實測中,並對測試解析度進行了分析。Second, the paper introduces the modeling of the major variable pitch wind turbine generator in detail and presents the simulink result of the major variable pitch wind turbine generator without controller. third, in the third chapter the paper puts forward a control tactics of the major variable pitch wind turbine generator. for comparing conveniently with the neural networks controller and the fuzzy controller that have been designed in the later chapters, this paper gives the simulink result of the major variable pitch wind turbine generator with pid controller in brief
首先,簡單地介紹了控制理論、神經網路和模糊控制的發展概況以及風力發電機的現狀;其次,詳細地介紹了大型變槳距風力發電機的模型的建立,並給出了風力發電機系統的開環模擬結果;接著,在第三章提出了大型變槳距風力發電機的控制策略,為了便於和後面設計出的神經網路控制器和模糊控制器相比較,本論文還簡要地作出了pid控制器的模擬結果;然後,分別設計出了神經網路控制器和模糊控制器並模擬出了令人滿意的結果。The article have analysed the subject matter of basic conception of the data warehouse and present research and some research results in detail in this thesis, having analysed the warehouse technological development trend of the data, and the applicationes in telecommunications of guiyang, etc., have introduced telecommunications of guiyang and utilize warehouse technology of the data to build the statistical analysis system of the business decision and design the situation in detail, technological route, solution, etc., at the same time according to the reality of guiyang telecommunication put forward a solution of medium and small scale telecommunication service operation datum warehouse and a new thought of telecommunication enterprise subject analysis and its application situation of guiyang telecommunication
本論文詳細地分析了數據倉庫的基本概念以及當前研究的主要問題和一些研究成果,分析了數據倉庫技術發展趨勢,以及在貴陽電信中的應用等,詳細介紹了貴陽電信利用數據倉庫技術建設經營決策統計分析系統設計情況,技術路線,解決方法等,同時根據貴陽電信的實際提出了一種中小電信業務規模的數據倉庫解決辦法和電信企業主題分析的新思路以及在貴陽電信的應用情況。Chapter 1 introduce the development situation of the marine multi - component seismic exploration technology in our country and abroad. chapter 2 sum up the structure of the system. chapter 3 to 6 includes the design and function of the homemade sample equipment and the advantage of its key technique. just as omnidirectional geophone struture, ocean bottom cable, data acquisition unit and recording system etc. chapter 7 carefully instructs test situation of converted wave acquisition on the sea and appreciates the data quality
第一章主要介紹了目前海上多波勘探技術的國內發展概況及市場需求,第二章對整個系統的構成及各部分的功能進行了簡要的總結,第三章至第六章詳細討論了各功能模塊的原理、技術指標及創新點,包括各項關鍵技術的突破,如三分量萬向平衡裝置的理論計算及設計,數字包電路設計原理,鎧裝結構電纜的設計及系統主機的特點等。分享友人