高頻電容計量 的英文怎麼說

中文拼音 [gāobīndiànróngjìliáng]
高頻電容計量 英文
high frequency capacitance measurement
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 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...
  • 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 高頻 : high frequency
  • 電容 : electric capacity; capacitance; capacity
  • 計量 : calculate; estimate; meterage; metering; batching; measure
  1. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    在電子線路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉換線路模擬測試，針對不同頻段的測試結果，採用最小二乘擬合法對模擬曲線進行擬合，計算出相應的能量數據，最後綜合模擬結果確定出減小器件開關損耗，提高dc0c轉換線路效率的器件輸出電容cob優化曲線。
  2. A common data acquisition card can be used on laboratory virtual instrument engineering workbench through designing the external interface between labview and common date acquisition card on the software design ; used the idea of the double buffer and direct memory access, a real time data acquisition and logging about the succession, big capacitance leakage current is realized ; a digital filter is designed to filter high frequency signals

    在軟體設計上，設計了與普通數據採集卡的介面，實現了在labview環境中應用普通數據採集卡的功能；運用雙緩沖和內存直接映射的設計方法實現對連續、大容量泄漏電流信號的實時採集和存儲；設計了數字濾波器對採集后的原始數據濾去高頻干擾。
  3. In the paper, prescale technology, interpolate method, averaging method and multiple period synchronization method are used to measure the frequency accurately. diode demodulating technology, and power attenuated method or probe coupling & water load technology are employed to measure the power of high power microwave. isothermal technology is used to improve the stability of demodulator and to expend the range of square linear region

    本文採用預分頻法、內插法、多周期同步法、平均法實現了頻率的精確測量;利用二極體檢波技術，結合衰減法或探針耦合+水負載技術實現了大功率微波功率的測量;採用恆溫技術提高了二極體檢波器穩定度;完成了單片機串口通信協議設計和系統電磁兼容的分析和設計。
  4. The services of electric power communication network have already expanded from telephone scheduling and transmitting data in low speed to digital user ' s service with high speed and great capacity, such as computer internet, wide area network and video transmission, etc. its structure has already developed from simple star topology, which is used to serve schedular center, to today ' s multicenter network to assure that the network can serve the requirement of increasing transmission of electric power information

    電力通信網的業務已從調度電話、低速率遠動數據傳送擴展到高速、數字化、大容量的用戶業務，例如計算機網際網路、廣域網、視頻傳送等。電力通信網的結構也已從單一服務于調度中心的簡單星形方式發展到今天多中心的網狀網路，以保證能為日益增長的電力信息傳輸需求服務。
  5. Then i finish the analysis from three aspects, instruction of circuit, stress of surrounding, and tolerance, thus providing basis of design. the following designs are in progress from four aspects, which are circuit design, thermal design, derating using and screening. at last, i make the update generator in batch process, and collect and analyze reliability dates again

    首先進行了與可靠性相關的數據收集與分析，對故障模式進行統計；然後從電路結構、環境應力及容差三個方面進行可靠性分析，從而為關鍵的可靠性設計提供了依據；接下來的可靠性設計，從電路設計、熱設計、降額使用、篩選四個方面逐一解決了可靠性分析階段發現的問題；最後，我將改良的發生器批量生產，並從中重新收集了可靠性數據進行計算，事實證明改良后高頻無極燈的平均壽命已達到6萬小時。
  6. At present, in studying and developing heavy capacities and parallel resonant inverter, it is expected to solve the problems of researching on simple structure and easy to start frequently series resonant inverter in the fields of domestic high frequency induction heating installation. therefore, researching of the subject is to design and study a high frequency ( more than 1 mhz ) and high power topological structures of full solid - state induction heating power supply

    目前在研究和開發大容量的並聯逆變中頻電源的同時，研製結構簡單，易於頻繁起動的串聯逆變高頻電源是國內高頻感應裝置領域有待解決的問題，基於此種需要，本課題主要研究設計一種高頻（ 1mhz以上）大功率全固態感應加熱電源逆變電路的拓撲結構。
  7. The background of this dissertation is based on a project of researching and developing a high voltage series h - bridge multilevel converter, which drives an induction motor of 6300v, 2240kw for driving a water flooding pump in taigang. the research work on high voltage high power series h - bridge multilevel converter has been carried out by theory analysis, computer simulation and experiments

    本文以太鋼某廠額定功率2240kw ，額定電壓6300v注水泵電機變頻調速科研工程為背景，從理論分析、計算機模擬和裝置實驗幾方面入手，對高電壓大容量串聯h橋多電平變頻器的理論和工程應用技術進行較深入研究。
  8. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較，篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案，確定了準同步采樣的方案，並通過對準同步采樣誤差的分析，提出了一種從45開始采樣，從而提高精度的采樣數據處理辦法，同時，對于電流互感器相位漂移提出了一種補償辦法，接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析，其中對于無功補償採用y混合接線，並利用交流接觸器和固態開關共同投切電容，不但提高了經濟運行水平、改善了電能質量，而且有效的避免了頻繁更換開關，減少了經濟損失；最後，設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  9. On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable

    本文以2000年前後具有「大機組小電網」特殊結構的福建電力系統為背景，建立了福建電力系統及其與外部互聯的數學模型，開展大量的模擬計算分析，研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全穩定性的機理和規律：前述互聯可以安全穩定運行，取得顯著效益，當傳輸功率達到一定量后，主網架增加了送出或吸收互聯交換功率的負載，系統運行狀態向穩定性水平有所下降的方向轉移；聯絡偏弱使阻尼偏弱，聯絡線小幅低頻振蕩和大幅低頻振蕩易被激發，聯絡線一旦重載斷開，系統高周或低調嚴重。
  10. Csm is a numeric mothed of analyzing static electric field. this paper compares the values of capacitance of different size of plate d and plate e in csm and cst mws. mom is a typical numeric method of researching high - frequency electromagnetic problems. accordingly, this paper computes input impedance of plate e and impedance matrix of traditional two element antenna array of electrically small dipoles separately in mom and cst mws, and then compares them detaily

    模擬電荷法（ csm - chargesimulationmethod ）是研究靜電場的一種數值方法，本文比較了模擬電荷法和cstmws對cfa的d 、 e兩盤在不同尺寸下的電容的計算結果;矩量法是經典的研究高頻電磁學問題的數值方法，同時利用矩量法計算了cfa的e盤的輸入阻抗和傳統二元電小偶極子陣的阻抗矩陣，將其結果與cstmws的模擬結果比較。
  11. Some of them have set about this work. this article discusses the principles of digital tv studio technology according to the present situation and developing tendency of current tv systems, including the features of digital studio, the coding standards of digital signal, the compressing technology of video and audio signals and the utilization of computers multimedia technology in editing tv programs. it elaborates the designing methods, principles and puts forward several concrete disposition examples

    本文僅根據目前高校電視節目製作系統的發展現狀及趨勢著重論述了數字電視中心的技術原理，包括數字演播室的特點、數字分量信號的編碼標準、視音頻信號的壓縮技術以及計算機多媒體技術在電視節目製作中的應用等內容，闡述了高校電視節目製作系統數字化的設計思路及設計原則，提出了具體的設備配置方案。
  12. This paper has designed a inverter power supply of volume 2kva, working frequency 20khz., based on that has analyzed the characteristic of igbt ( insulated gate bipolar transistor ). it was provided the working theory of dc voltage circuit and bridge type invert circuit

    本文在分析了igbt （絕緣柵雙極晶體管）特性的基礎上，設計了一臺容量為2kva 、頻率為20khz的高頻逆變電源。
  13. The thesis is composed of 9 parts : the background, significance, main topics and innovations in the thesis are introduced in chapter 1 ; in chapter 2, the main function and performance of interface circuits are described from the view of system by using the example of gigabit ethernet ' s transceiver ; the transmission media ' s frequency characteristics and model are analyzed for the high - speed data transmission system in chapter 3 ; the line driver is presented in chapter 4 ; the equalization principles for high - speed data transmission system are introduced in chapter 5 ; a novel adaptive equalizer for 1000base - cx transceiver is presented in chapter 6 ; in chapter 7, a fixed equalizer for 2. 5gbps transceiver is described ; in chapter 8, layout design and measured results are discussed ; at last, the conclusions are drawn in chapter 9. during period of finishing the thesis, i read lots of literatures about the interface circuits in high - speed data transmission system, studied their principles and design techniques, and designed : 1 、 the line driver for 2. 5gbps baseband copper cable transceiver ; 2 、 the fixed equalizer for 2. 5gbps baseband copper cable transceiver ; 3 、 the fixed equalizer for 1. 5gbps sata ( serial at attachment ) transceiver ; 4 、 an adaptive equalizer for 1000base - cx transceiver

    論文由9部分組成：在第一章引言中介紹了論文的背景、意義、國內外研究現狀，以及論文的主要內容和創新；第二章以千兆位以太網為例，從系統的角度介紹了高速數據傳輸系統介面電路的主要功能和性能指標；第三章分析了高速數據傳輸系統的傳輸介質的頻率特性和模型；第四章描述了線驅動器的設計原理及其電路實現；第五章描述了高速數據傳輸系統的均衡原理；第六章描述了適用於1 . 25gbps基帶銅纜收發器系統的自適應均衡器的設計原理和電路實現；第七章描述了適用於2 . 5gbps基帶銅纜收發器系統和1 . 5gbps串列硬盤介面（ sata ）收發器系統的固定均衡器的設計原理及其電路實現；在第八章中分析了電路的版圖設計及晶元測試結果；最後，第九章總結了全文。在完成論文期間，查閱了大量的有關高速數據傳輸系統介面電路方面的文獻，較系統地學習了線驅動器、傳輸線和均衡器等方面的理論知識和電路設計原理，設計了用於： （ 1 ） 2 . 5gbps基帶銅纜收發器系統的線驅動器； （ 2 ） 2 . 5gbps基帶銅纜收發器系統的固定均衡器； （ 3 ） 1 . 5gbpssata系統的固定均衡器； （ 4 ） 1 . 25gbps基帶銅纜收發器系統的自適應均衡器。
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