電路工作率 的英文怎麼說

中文拼音 [diàngōngzuò]
電路工作率 英文
circuit operating rate
  • : 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...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : 率名詞(比值) rate; ratio; proportion
  • 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. After elaborating the principle of an 802. lib key modulation scheme - complementary code keying ( cck ), this paper proposes and realizes a hardware circuit solution of 802. 11b pcmcia wlan interface card, which can reliably offer a maximal 11mbps data rate and freely switch within 14 working channels in 2. 4ghz frequency band

    接著在詳細闡述了802 . 11b協議核心調制技術?互補碼鍵控( cck )的原理的基礎上,本文提出並實現了一種峰值傳輸速為11mbps的802 . 11bpcmcia高速無線網卡的硬體設計方案,在2 . 4ghz頻段該網卡可在14個通道上自動切換,實現高速突發數據的可靠傳輸。
  2. A novel phase - shifted zero - voltage and zero - current switching pwm dc / dc full - bridge converter is presented in this thesis, which is based on the groundwork of summarization of the development of power electronics in recent years and lucubration in theoretical basis of modern high frequency soft switching power convert technique and analysis of operation principle, characteristic of the circuit and inherent drawbacks of the traditional phase - shifted zero - voltage switching pwm dc / dc full - bridge converter

    本文在對近年來子學科的發展高度綜述和對現代高頻軟開關功變換技術理論基礎深入研究的基礎上,對傳統的移相控制zvspwmdc dc全橋變換器的原理、特性、存在的缺點進行了分析,在此基礎上提出了一種改進型的移相控制zvzcspwmdc dc全橋變換器。
  3. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相環的影響並根據流星通信中使用變速傳輸時鎖相環的載波同步性能進行了測試;然後在基於軟體無線思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位跟蹤。
  4. By taking the miniature ceramic rod which is easily to machine high accuracy as sensitive structure, and by printing and polarizing six belt - shaped electrodes above it to constitute three pairs of electrodes, this paper designed package and the phase - sensitive detection circuit in the system so that it effectively reduced the sensitive structure size and improved its processing precision to realize the angular rate gyro microminiaturization

    首先採用易於加成高精度的微型陶瓷棒為敏感體,在其上印刷成六個帶狀極並予以極化構成三副極對,然後設計了封裝及相敏檢波,從而有效地減小了敏感結構的尺寸,提高了其加精度,實現了角速陀螺微型化。
  5. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻特性的影響,提出了採用短溝器件、使mosfet在飽和區、抬高柵源壓等提高mosfet特徵頻的方法;分析了不同組態對放大器頻特性的影響、節點壓對壓模流模特性的不同影響,根據應用於雙極晶體管的跨導線性原理,提出了採用mosfet構成的流模放大流傳輸、輸出以及由它們所組成的寬帶放大器,獲得了良好的頻響應。
  6. Since low voltnge, low power cmos analogy circuit and current - mode analogy integrated circuit have so many advaotages, it has become most appealing for vlsi t6chnique theorotical scholar and design engineel filter is an important unit of analog integrated circuit, whose structue construction and design method can estend to the design of large scale " ana1og integrated circuit.

    壓、低功cmos模擬流模式集成由於具有諸多的優點而成為當前vlsi技術理論者和設計程師所關注的熱點。模擬濾波器為模擬集成的重要單元,其結構生成方法和設計方法可推廣至大規模集成設計,具有重要的參考價值和實際應用價值。
  7. In early days of the 1990 " s, with the network continuously uses, to use the network to handling government of government work efficiency, improving government administration visualization, have already become common ground in the government all over the world, hence, electronics government, the new - born business emerge with the tide of the times

    上一世紀九十年代初期,伴隨著網的不斷普及,運用網來處理政府的日常事務,提高政府,改善政府行政形象,已經成為各國政府的共識,於是,子政務這一新生事務應運而生了。
  8. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加熱源的原理並綜述了國內外的研究現狀。接下來分析並制定了源主的構成方案:在對比幾種功調節方式的基礎上選擇了不控整流加斬波調壓為直流部分。在這部分里,重點研究了一種軟開關buck變換器,通過分析各階段的原理說明了開關器件如何在軟開關狀態;對于逆變器部分,在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器,並詳細分析了串聯逆變器的原理,提出了最佳死區的計算方法。
  9. The main work of this thesis is theoretical and experimental research on non - isolated single - end three - level dc / dc converters with passive lossless soft switching. a 1kw three - level buck converter with passive soft switching is designed to verify the research

    本文的主要是對無源軟開關三平非隔離dc dc變換的理論與實踐研究,設計並實現了一臺功1kw的無源軟開關三平buck變換器。
  10. This thesis aims at discussing the model of manufacturing defects, the principles of soft and hard faults induced by manufacturing defects, the effects of soft fault on circuit reliability and yield and the relationship between yield loss and reliability decrease caused by manufacturing defects. the author ' s main contributions are as following : reliability and yield are two significant factors to semiconductor manufacture. based on the principles of the manufacturability engineering, the thesis discusses the effects of the manufacturing defect on the functional yield, parametric yield and the reliability for ics, and abstracts geometric models from actual chips

    本文對集成製造缺陷模型、由製造缺陷導致的軟、硬故障的用機理、軟故障對可靠性和成品的影響以及由製造缺陷導致的成品的損失和可靠性下降之間的關系進行了系統的研究,主要研究結果如下:可靠性和成品是影響半導體生產的兩個主要因素,本文首先從集成的可製造性程理論出發,討論了製造缺陷在影響集成功能成品、參數成品和可靠性方面的用。
  11. The control logic of the auxiliary switches is much simple. based on the analysis of the proposed inverter, the zero - transition condition is obtained. a prototype is made verifying the feasibility of the new inverter

    通過對提出原理的詳細分析,給出了該開關器件零壓過渡條件,在此基礎上研製了一臺原理樣機,驗證了提出的方法的可行性。
  12. Moisture, the voids and the density of the pavement are expected for many operators in the road department. in order to promote the application of gpr to detect pavement quality as quickly as possible, in this paper some research works were zone. the mainly research results includes the following aspects : ( 1 ) since the dielectric constants of pavement medium have important influence on radar detection results, dielectric properties of pavement layers materials are analyzed for the design of practical gpr system and field application

    目前探地雷達在公上的應用還主要局限於面結構層厚度的檢測,對面物理力學指標的無損檢測被廣大公者寄予厚望,這一技術的應用還有很多的要做,為了使其早日應用於實際,實現探地雷達對面含水量、空隙和壓實度的快速無損檢測,本文具體做了以下的一些: ( 1 )鑒于介常數對探地雷達檢測的重要影響,對面結構材料的介特性進行深入分析,為用探地雷達的實際應用測量提供理論依據。
  13. When the silicon technology comes to deep sub - micron level, the interconnect delay exceeds the gate delay ; and because of the increase of 1c work frequency, the allowable errors become smaller, and the influence of the transmission delay gets bigger, which increase the difficulty of the circuit design

    在深亞微米製造技術中,晶元互連線延遲超過門延遲,而且隨著集成的提高,允許的時序容差變小,傳輸延遲的影響加大,設計難度增加。
  14. The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )

    硬體設計包括:控機配置、控板卡選型、產品源及監控介面設計、信號處理介面(恆流源、時基信號處理、被測信號處理)設計、面板控制設計、系統自檢設計等。程序流程圖包括:主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、壓和流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六源、時基信號、恆流源信號、正弦波信號和階躍信號,並對三種不同測試狀態(靜態、動態、暫態)下大量程脈沖變換輸出脈沖信號的頻進行精確測量。
  15. Its operation frequency is 1. 38mhz, with an integration of a power mosfet whose breakdown voltage is up to 50v. the allowable input voltage ranges from 2. 7v to 5. 5v and its output voltage can be programmed between - 2v and - 15v, additionally, the output current is in a 200ma range in typical application. to avoid the poor efficiency of the pwm control scheme at light load, a skip - cycle - mode operation is introduced that allows system ’ s efficient operation at the light load

    為1 . 38mhz ,內部集成耐壓50v的功mosfet ,輸入壓范圍2 . 7v 5 . 5v ,輸出壓可在- 2v - 15v間連續可調,典型條件下輸出流在200ma之內;同時,在輕負載下提供跳周期模式,具有很高的待機效
  16. Meanwhile i give analysis method of constellation map. to update system, system optimization direction is taken as the most important thing, such as choice of modulator parameter, reduce power dissipation, improve circuit work frequency,

    同時給出星座圖分析說明;最為重要的是提出系統優化的方向,如調制參數的選擇、如何降低功耗、如何提高,為系統的升級做了規劃。
  17. Hfl inverters in discontinuous current mode ( dcm ) are extended to those in continuous current mode ( ccm ), which is very important for improving the conversion efficiency. the reason is that the peak current and rms current of power switches can be reduced sharply

    本文將于dcm方式的單級高頻鏈逆變擴寬到ccm方式,模擬和試驗結果表明ccm模式下流過功流峰值和有效值明顯減小,這對提高逆變的效具有重要意義。
  18. A topology of asymmetrical half bridge soft switching is researched in this thesis, which has inherent zero voltage switching ( zvs ) capability and thus potentially higher efficiency by its resonating of the leakage of power transformer with the parasitic capacitances of the power mosft switches, whereas it does n ' t raise the expense of the converter these studies in the thesis have been done as follows : ( 1 ) the topology of asymmetrical half bridge is introduced, and its principle and the relation of duty cycle and input voltage and output voltage discussed, the method of eliminating the deflection magnetism is also brought forward

    雖然,軟開關技術能夠實現功變換器的小型化、模塊化等,但是,變得更加復雜,使得中小功的變換器的成本增加,往往不利於商業競爭。本文研究了一種零壓的不對稱半橋拓撲結構,它可以在不增加成本的基礎上,利用自身的特點,實現軟開關。本文所做的主要如下: ( 1 )對不對稱半橋主原理進行分析,給出了占空比與輸出壓、輸入壓的關系以及消除變壓器偏磁的方法。
  19. Aimed to acquire high efficiency and realize high frequency of the converter, this paper takes the forepart of the aeronautical static inverter ( asi ) - dc / dc converter as research object. push - pull forward converter ( ppfc ), which adapts to be applied in low voltage, high current input power field, is proposed and studied in this paper based on comprehend to main characters of asi and references to the development of the vrm

    本文以航空靜止變流器中dc dc ? dc ac結構的前級為主要研究對象,針對效和高頻化問題,在充分考慮航空靜止變流器前級dc dc特點的基礎上,借鑒國外vrm技術的發展歷程,選擇了適合於低壓大流場合下的推挽正激( ppfc ) ,為基本拓撲,進行了一些理論與實驗的研究
  20. It has many advantages including excellent device isolation function, less parasitic effects among different parts, high speed, good radiation toleration, and high integration density, etc. consequently, high voltage soi spic has become a new field of power integrated circuit research

    它具有器件隔離性能好、器件間的寄生效應小、速度高、抗輻射能力強和集成度高等優點。因此基於soi的高壓智能功集成已經成為功集成研究的新領域。
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