相位開關電路 的英文怎麼說

中文拼音 [xiāngwèikāiguāndiànlù]
相位開關電路 英文
phase switching circuit
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  • 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...
  • 相位 : phase position; phase
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。
  2. In this thesis, a clamp passive loseless snubber is put forward for igbt inverters after analysing the dissipation of hard switching and soft switching with snubber. then theoretical analysis and simulation are been take to prove the work of the snubber. and a real inverter circuit and its auxiliary circuits are built

    本文在對igbt在硬開關和有緩沖電路的軟開關情況下的開關損耗進行分析之後，提出一種適用於igbt逆變橋的鉗位式無源無損緩沖電路，然後進行了理論分析和模擬分析，並製作了實驗電路和相關輔助電路。
  3. Ppfc working principle, circular current and effects of clamping capacitor are studied in this paper in detail. because of the clamping capacitor, ppfc have some good features compared with ppc : reducing the fluctuate of the input current ; restraining the voltage spike of the power mosfet ; avoiding the bias - magnetic of the transformer

    由於箝位電容的加入，相對于推挽電路而言，該拓撲具備了一些獨特的優點：減小了輸入電流的脈動：削弱了開關管的關斷電壓尖峰；有效抑制了變壓器的偏磁。
  4. 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。
  5. The company mainly engages in development and manufacturing of medium voltage vacuum interrupters, vacuum circuit breakers ( vcb ) and gas insulated switchgear ( gis ) as well as after sales services

    公司位於江蘇省無錫高新技術產業開發區內，主要從事中高壓陶瓷真空開關管，固封式真空斷路器，氣體絕緣開關設備及其相關產品的開發、製造、市場銷售和售後服務，致力於中國的電力工業。
  6. During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers

    在氣門相位測量中，採用光柵位移傳感器和光電軸角編碼器，分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣，輸入計算機，對三路信號加以比較找出氣門的相位關系，從而為設計開發人員、品質控制人員提供可靠的測量參數。
  7. Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced

    由於箝位電容的加入，相對于其他類型的反激式變換器電路，該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管，實現了開關管的有源箝位，抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率，減小了輸入及輸出濾波器體積。
  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. It can be deduced from the characteristics of ilpll circuit that injection - locking bandwidth is not only related to the injection - locking bandwidth without feedback loop, but also related to the characteristics of frequency mixing, loop gain and the change of the loop phase. thus, the needed bandwidth can be obtained by adjusting the loop parameters. and the phase noise characteristics are mainly determined by loop transmission factor

    由ilpll電路特性的推導得出:注入鎖定帶寬不僅跟開環時的注鎖帶寬有關，而且與混頻特性、環路增益以及環路相位變化相關聯，可以通過調節環路的參數得到所需帶寬;相噪特性主要由環路傳輸因子決定，可以通過調節環路濾波得到比開環注入鎖定相噪更優的特性。
  10. In this paper, the operation principle of the oscillator is analyzed first, from the point of view of theory the designs of crystal resonator and its equivalent circuit, crystal oscillator and thermostatic chamber are defined. the noise model of circuit is used to analyze key factors influencing phase noise of the crystal oscillator, in order to control phase noise of the crystal noise from the very beginning of the design

    本文首先分析了振蕩器的工作原理，從理論的角度闡明了晶體諧振器及其等效電路、晶體振蕩器和恆溫箱的設計，利用電路的噪聲模型來分析影響晶體振蕩器相位噪聲的關鍵因素，從設計就開始控制晶振的相位噪聲，為更好地實現課題的目標打下良好的基礎。
  11. At first, a method for controlling chaos is studied, which is based on phase switching modulation. the n - scroll chua ' s circuit is controlled to its fixed point as well as periodic orbits by using switching modulation on one its phase. its mechanism of control is analysed using the change of the max lyapunov exponent when the system is controlled

    首先，通過對多渦卷蔡氏電路中非線性特性函數的相位進行開關調制，把多渦卷蔡氏電路由混沌狀態控制到其平衡態和周期軌道，並用控制后系統的最大lyapunov指數隨時間的轉變闡述了其控制機制。
  12. Five cell circuits are designed, fabricated and tested, including 5. 625 degree and 45 degree using loaded - line phase shifter, 90 degree using 3db branch - line coupler phase shifter, 90 degree and 180 degree using switched - line with loaded - line phase shifter. according to the testing result of cell circuits, and requirement of ku - band six - bit digital phase shifter, the scheme for ku - band six - bit digital phase shifter is chosen

    本文對5 . 625度和45度相移位採用主線加載的加載線形式，對90度相移位採用3db支線耦合器形式和加載式的開關線形式，對180度相移位採用加載式的開關線形式，分別進行了五個單元電路的設計、製作與測試。
  13. The loaded - line - type, switched - line - type and reflection - type phase shifters are studied in this thesis. considering the defect of loaded - line phase shifter, a new type of switched - line with loaded - line phase shifter is proposed in this thesis. this design not only make advantageous debugging of circuit, but also minimize phase - error in a given frequency band

    本文對加載線型、開關線型和反射型移相器進行了分析研究，並針對開關線型移相器的缺陷，提出了一種加載式的開關線型移相器設計方法，不但便於對電路進行調試，也減小了一定帶寬內的相位誤差。
  14. Thereby, the choice of external timing source brought by the changing from the el to qel has been resolved. in the related chapters, the paper will explain the arithmetic of synchronization of bit, frame and multiframe in the pm4354 hardware and describe the software arithmetic and hardware sketch map of net synchronization

    本文在相關的章節中將詳細地給出pm4354硬體上完成位同步、幀同步和復幀同步的實現的演算法，並給出qe1在實現網同步過程中的軟體演算法和硬體電路示意圖以及在項目開發過程中，測試以上各種同步技術是否可行的技術方案。
  15. The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which

    壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊，本論文分別實現了兩種類型的壓控振蕩器（採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器）和兩種類型的雙模預分頻器（使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器） 。
  16. However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition

    諧振、準諧振或多諧振技術方案，變換器的電壓電流應力較高，變頻控制增加了濾波器設計的難度；能量緩沖吸收電路或有源鉗位電路方案，由於需要增加多個額外輔助元件，增加了變換器的復雜性；全橋相移技術方案，由於主電路無需增加額外元件，只需利用相移控制，即可實現軟開關，因此引起關注。
  17. These studies in the thesis have been done as follows : it is proved that if the three - phase single - switch boost type power - factor - correction can work in continuous - current - mode, its power factor can not reach unity. therefore, it is not qualified for high power and high requirement application. according to the ac side equivalent circuit of the three - phase three - switch boost type power - factor - correction, the equations to realize unity power factor have been deduced and realized by integrate - reset - control circuit

    本論文把積分復位控製成功應用於三相功率因數校正技術中，作了以下幾方面的研究： 1 .從理論上證明了三相單開關boost型pfc即使工作在ccm ，其功率因數也不能達到1 ，在大功率和對功率因數校正能力要求較高的場合，三相單開關boost型pfc達不到要求， 2 .根據三相三開關boost型功率因數校正交流側的等效電路，推導出實現單位功率因數所需的控制方程，並用積分復位控制電路進行實現，在理論研究的基礎上進行了模擬研究。
  18. In order to get the real - time motor controller with wide speed scope, high precision and large ability, this paper has used the special digital signal processor ( dsp ) made in texas instrument for motor control to design and finish the speed adjustable motor controller, analyzed the control methods and discussed the application in the fields of position testing, drive and power inverter circuit, completed related hardware testing and tested its functions

    為了獲得調速范圍寬、精度要求高、功能強大的實時電機控制器，本論文選用了德儀公司生產的電機專用數字信號處理dsp晶元，完成了調速電機控制器的設計與製造。並在此基礎上分析了控制策略以及在位置檢測、驅動、主功率電路應用等方面展開了討論。完成了相關的硬體調試並在實際中加以檢驗。
  19. Through studying the principle of dimmer and switch power supply, it was found that in some frequency points, by analyzing the phase of electric voltage and current it can tell if arc faults occur

    研究調光燈及開關電源的工作原理可以發現，通過分析迴路中電壓電流在某些頻率點的相位信息，可以有效判別是否發生了故障電弧。
  20. In the last chapter, implementing the location algorithm by dsp and fpga is the main work. the programs of location and fitting of flight path are designed in visualdsp + + environment, the interface control module with cpci is implemented by fpga

    本論文選用adi公司的高性能浮點處理器adsp - ts101實現無源定位硬體電路模塊，並利用其軟體開發平臺visualdsp + +開發了相關的定位演算法，用fpga編程實現了dsp處理模塊與主機cpci介面相連。
分享友人
分享到 Line

分享到臉書