switch theory 中文意思是什麼

switch theory 解釋
開關理論
  • switch : n 1 （樹上折下的）細樹枝；軟鞭子；鞭打。2 假發；（尾巴上的）毛簇。3 〈美國〉【鐵道】道岔扳子，軌...
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. Firstly introduced the basic theory and method with which the analog signal can be convert to digital form, including sampling theory and course, quantification and quantification error, coding, beside those we discussed some applications of sampling technology, the reason of frequency mixture and the method to eliminate it chapter 4 introduced analog mux - switch, for the reason of simpleness we only introduce it briefly

    從第3章開始，對數據採集的基本理論進行討論，首先介紹了模擬信號數字化處理中的基本理論、方法，包括采樣過程、采樣定理、量化與量化誤差、編碼，還討論了幾種采樣技術的應用、頻率混淆產生的原因及消除措施。第4章，介紹了模擬多路開關。
  2. Chapter two is data sample of system. it will discuss the data conversion theory, 24bit e - a data conversion, mux - channel switch sampling technology, and emc design. among them, we will introduce the principle and application of ads 1251, application of photomos technology in mux - channel switch sampling, and emc design with hardware and software of gas feed controller, which has good performance in reliability

    第二章介紹系統的數據採集，該部分包括24bit -采樣原理、多路信號切換採集技術和電磁兼容設計，其中，主要介紹了ads1251晶元的工作原理和應用， photomos技術在多路信號切換采樣中的應用，以及配氣控制器在硬體、軟體等方面所做的電磁兼容設計，通過這些設計使得系統具有很好的穩定性和抗干擾性。
  3. Analysis of switching power unitive switch transient theory

    開關電源統一開關過程理論分析
  4. At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor

    目前，用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統，這就導致了操作的不方便和出現了故障用戶不知道，降低了監控系統的可靠性，為此，我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析，找出各個伺服控制信號的控制變化規律；然後從中選出合適的控制信號；針對目前錄像機在實際監控使用過程中存在的問題，選用合適的元器件；運用protel繪圖軟體，設計了這個多臺業務用錄像機的統一控制系統，她主要包括以下功能：錄像機操作功能（如power play ff rew stop rec eject及正尋反尋帶速設定等）的統一線控控制功能；磁帶在記錄過程中，磁帶到頭和磁帶自己「偷停」的報警，並要能顯示出具體是哪一臺錄像機；在記錄狀態下，攝像頭輸入信號丟失報警，並要能顯示出具體是哪一臺錄像機；在休息或其他不需要記錄時，一旦警戒區有情況，則控制所有機器自動進入錄像狀態的功能；從錄像機輸出的監控圖像信號對監視器的切換功能。
  5. In this paper, research and manufacture work on high efficiency high power density high - voltage high - power dc power is undertaken on the basis of basic theories and past production. by inquisition the basic theory and project of sreies - parallel resonant converter witch is a soft - switch converter was selected to outspread research and design work

    本文是在吸收前人研究成果的基礎上，理論聯系實際，針對高效、高功率密度、高壓大功率直流電源展開的研製工作。在經過大量的實際調研工作的基礎上，選擇了一種軟開關變換器（移相控制的串-並聯諧振變換器）的技術方案，並圍繞該方案展開理論研究和實際的設計工作。
  6. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。
  7. On the basis of analyzing the theory of hall element and combining with the relevant electric circuits of the hardware of the dpw, this paper gives a specific method of using hall element into pedal switch system of the dpw

    本文通過分析霍爾傳感器件的原理，結合數字攝影測量工作站硬體設備的相關電路，給出了把霍爾傳感器應用到數字攝影測量工作站腳踏開關系統中的具體方法。
  8. This paper presents the reliability analysis of three systems as following by using markov process theory and linear equation theory. ( 1 ) multi - sensor 2 / 3 ( g ) repairable decision - making system ( 2 ) cold standby repairable system of two components with continuous lifetime switch and priority ( 3 ) warm standby repairable system of two components with continuous lifetime switch and priority in this paper, we take an application of multi - sensor fusion in neural network, and set up the mathematic model of 2 / 3 ( g ) repairable decision - making system, which is composed of different components

    本文利用馬爾可夫過程理論、線性方程組理論以及laplace變換和laplace逆變換對以下三個系統做了可靠性分析： （ 1 ）多傳感器融合可修2 3 （ g ）表決系統（ 2 ）有優先權的開關壽命連續型兩個不同型部件冷貯備可修系統（ 3 ）有優先權的開關壽命連續型兩個不同型部件溫貯備可修系統多傳感器融合技術是近幾年發展起來的一門新興技術，已廣泛應用於軍事領域，並逐漸在航天、遙感、機械製造技術中得到應用。
  9. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。
  10. According to the theory of acousto - optic ( ao ) interaction, the formulas of diffraction loss of two ao q - switches, which acousto - field are perpendicular or parallel one another, the power divider for ensuring two ao q - switch synchronization and effective power driving is designed. the calculation results are satisfied with nd : yag laser experimental results. it is show that two ao q - switches, which acousto - field are perpendicular each other, switch - loss is nearly one times larger than one ao q - switch, one of third larger than the two ao q - switches which acousto - field are parallel

    從理論上對聲光器件衍射損耗作了分析與計算，研究了二維雙聲光器件對提高衍射損耗效率的影響，在實驗中採用二維雙聲光組合器件提高聲光器件的對nd ： yag激光器的關斷能力，較之單聲光的關斷能力提高了一倍左右，而對于平行雙聲光也提高了30左右，並設計了聲光驅動功率分配器以驅動雙聲光器件達到同步，消除了激光輸出的多脈沖現象，提高了脈沖列的輸出功率。
  11. 4. we use the fuzzy neural networks ( fnn ) theory to solve the real time region traffic distributed control problem. at each intersection, we set an intelligent controller which dynamicly manages phase sequences, phase switch, signal cycle and split

    每個交叉口設置一個模糊控制器，該控制器根據它自己和相鄰交叉口的交通流信息對相序、相位切浙江大學博士學位論文換、信號周期和綠信比進行動態管理。
  12. In order to avoid the current ripple and the high switch frequency of fixed - band hysteresis current controllers, two hysteresis controllers of change hystersis - band are proposed. one is the sinusoidal - band hysteresis current controller, the other is the adaptive hysteresis current controller based on fuzzy theory

    由於常規的滯環電流控制器不能有效地防止負載電流脈動，並且存在著容易導致逆變器的開關器件的開關頻率過高的問題，論文提出了兩種變環寬滯環電流控制器結構，其一是正弦環寬滯環電流控制器，其二是模糊變環寬滯環電流控制器。
  13. Movable infrared tunable micro filter, 8x8 moems optical switch array and micro electromagnetic actuator used as driver of moems movable device are separately explored in chapter three. firstly, the infrared tunable micro filter is designed according to theory analysis of micro tunable grating

    論文用三章的篇幅分別對微型可調諧紅外濾光器、 8 8moems陣列光開關等可動器件及作為moems可動器件驅動源的微型電磁驅動器進行了探索。
  14. Secondly, using the theory of modal analysis and the ansys modal analysis software, the modes and the vibratility of the thbip -, such as the inherent frequen - cies and the vibration modalities, are studied during its single - double support switch time, and more, combining with the experimental phenomenon, the developing trends of the real vibration properties of the thbip - are also discussed

    其次，運用模態分析理論和ansys中模態分析軟體，進行thbip -模態分析，研究支撐轉換期thbip -各階模態及其振動特性（固有頻率和振型） ，並結合實驗現象，對樣機結構的振動特性趨勢進行了初步的研究。
  15. From theory, this thesis offers a new real options analysis frame based on integration of the real option theory research of these days. from method, we have applied the financial option models to evaluate the real - options existing in real investment projects, we focus on exercising the existing models and analyze what shortcomings are there when we do so. after that, we offer a new model to evaluate the switch options improved on option pricing theory, in this empirical research, we replace labour force cost with daily wages

    本文從理論和方法兩個方面展開：由於實物期權的概念是由金融期權引申而來，所以在理論方面，首先分析了金融期權的內涵，並綜合目前實物期權理論研究的成果，提出了一個完整的實物期權分析框架。方法上，除了運用目前存在的金融期權定價模型來評估一些實際存在的投資計劃，還在期權定價理論的基礎上針對轉換期權建立了一個模型並計算它的價值。
  16. The concept of minimum distribution part ( mdp ) is put forward together with the adjacent table based method to divide a distribution network into several mdps. based on above theory ; a novel way to identify fault sections of a distribution network is presented. algorithm to isolate the fault section with minimum switch operations and identifying of over - tripped switches are discussed

    提出最小配電區域的概念，並基於等長鄰接表的數據結構建立了最小配電區域分解的方法，在此基礎上發展了一種新穎的配電網故障區域判斷和隔離方法，研究了以最少的開關操作隔離故障區域的方法和越級跳閘開關的判斷問題，探討了針對採用重合分段器的配電網故障區域判斷和隔離問題。
  17. Grounding on above theory, the zvs resonant of soft switch full - bridges circuit, and class - e amplifier, and push - pull class - e amplifier are analyzed respectively in theory. push - pull class - e amplifier is available by comparing results of simulation and low power experiment

    基於以上理論，分別選擇了zvs諧振型全橋串聯逆變器、 e類放大器以及推挽式e類放大器進行詳細的理論分析，模擬比較以及小功率實驗對照。
  18. Based on the analysis of the theory, the paper put forward the method of the analysis and design of the sc filter by the discrete time signal method using the basic switch blocks combined with the fabrication convenience, mature technology, low power consumption, higher integrated cmos process

    在理論分析的基礎上，論文提出了結合現在尋求代工方便、技術比較成熟、功耗低、集成度高的cmos工藝技術，利用常用的基本開關模塊，用離散時間信號的方法來分析和實現開關電容濾波器。
  19. The whole high power switch supply have four bidirectional dc / dc converters which are parallel connection. the theory of phase - shifted full - bridge zvs pwm dc / dc converter and the theory of push - pull boost converter are introduced. the methods of realize zvs ( zero voltage switching ) is studied in detail

    文中介紹了移相全橋式軟開關變換及推挽式dc dcboost變換的工作原理，分析了移相全橋zvs的實現和占空比的丟失，並設計了各自的控制電路和保護電路。
  20. By theory analysis and computer simulation, dual control write sequence read medium access control protocol ( d - mac ) we bring forward works better than typical global fifo mac protocol. in order to let residential and small business customers enjoy all kinds of services that backbone network provides economically as early as possible, we design a switch hub

    經過理論分析和計算機模擬，可以證明我們提出的雙控制寫入順序讀出媒質接入控制協議（ d - mac ）是一個非常有效的，比典型的globalfifomac協議具有更小的傳輸時延和信元時延抖動。
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