整流比 的英文怎麼說

中文拼音 [zhěngliúbǐ]
整流比 英文
commutating ratio
  • 整 : Ⅰ形容詞1 （全部在內; 完整） whole; all; complete 2 （整齊） neat; tidy; orderly Ⅱ動詞1 （整理; 整...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. Superior frequency characteristics shortest recovery time, realize the switching of the circuit, complete functions such as open and close, clip wave, wave detector, high - frequency rectifier, logic control, which fit for all kinds of digital circuits and analog circuits

    具有良好的高頻開關特性反向恢復時間短，可實現對電路開和關的控制功能，可完成開關限幅檢波高頻整流邏輯控制等功能，適用於各類數位電路類比電路。
  2. With audio as master media stream and video as slave stream, the scheme makes a comparison between the presentation time stamp of the audio frame and the video frame which are played back recently to synchronize the presentation of video sequence with audio sequence

    並以音頻流為主媒體流，視頻流為從媒體流，比較最近播放的音頻幀和視頻幀的播放時間標簽，調整視頻幀的播放持續時間來取得音視頻媒體間同步。
  3. 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電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案：在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里，重點研究了一種軟開關buck變換器，通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態；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工作原理，提出了最佳死區的計算方法。
  4. This paper select the series - resonant inverter because it is more suited to high frequency power supply and it will be easy to enhance power capacity and enable the power supply to work on higher frequency if power is regulated in the rectifier. so uncontrolled rectifier and buck chopper constitute dc circuit is selected as rectifier circuit

    並分析了感應加熱電源的各種調功方式，在對比幾種功率調節方式的基礎上，得出在整流側調功有利於高頻感應加熱電源頻率和功率的提高，選擇了不控整流加斬波器調壓作為研究對象。
  5. Flow behaviors of 8 emitters are analyzed by fluent, flow channels show good fluidness, but lower flow rate is found in exterior corners of the emitter channel

    8種迷宮滴頭的模擬結果顯示滴頭流道內的流態整體比較理想，但在尖角處存在低速區。
  6. Abstract : this paper starts with a comparative study of several schools of arts that correspond diachronically and synchronically to the french impressionist school of music, and then presents a new perspective that will facilitate further study of this epoch - making school of music with respect to its artistic style and creativity

    摘要從比較學角度，通過對兩種不同音樂流派的整合、比較和分析，建立起對印象主義音樂進行再認識的理論視角，以達到對其藝術風格及其創作特徵深入了解和把握的目的。
  7. The bias magnetic field of the bias coil driven by bias current and small signal test current, results in the induced signal of the control coil. the terminal voltage of the control coil is detected by the test circuit. then the signal containing the information of rotor displacement is obtained, from which we can get the dc voltage signal proportional to the rotor displacement through half - wave rectification circuit and low pass circuit. this dc signal is put into a pid controller to get the control signal of the rotor displacement

    偏置測試電路向偏置線圈輸入偏置電流和小信號測試電流，兩者產生的偏置磁場在控制線圈產生感應信號，檢測電路檢測控制線圈端電壓並提取含有轉子位移信息的電壓信號，該信號經半波整流電路和低通濾波電路后得到與轉子位移成正比例的直流信號，再由pid控制器轉換為轉子位移的控制信號，最後控制信號輸入功放電路產生控制電流，實現閉環控制。
  8. A 2 - d hydrodynamic - numerical model was applied to typical rocky rapids called jiyutan by comparing different computational models. based on the comparison of different schemes, the change of the discharge and the flow current in a branch were analyzed, and the relationship between the flow condition and excavation area, scope as well as mode was discussed, the conclusions show : ( 1 ) in a branching rocky rapids, the velocity may be reduced and flow condition can be improved by excavating one channel partly

    本文在對各種數學模型比較的基礎上，應用二維水動力數學模型研究典型石質汊流灘? ?廣西潯江鯽魚灘航道整治工程方案，通過各方案計算結果比較，分析了不同汊道的開挖及汊道內不同開挖面積、開挖范圍以及開挖方式所引起的分流比及工程區域航道水力條件的變化規律，研究結果表明： （ 1 ）對于石質汊流灘來說，在某一汊道通過局部開挖河槽，擴大過水斷面面積，可以達到降低工程段流速、改善局部水流條件的目的。
  9. The gear are usually relatively lightweight, and the two main gear can also be easily encased in streamlined fairings to produce low drag in flight

    后三點起落架通常重量都比較輕。兩支主輪子可以配置整流置用來減小飛行中的阻力。
  10. The change of discharge and diversion ratio of the main junction is calculated by the 1 - d model, and the influence of the engineering on the whole pearl river delta networks is analyzed

    同時利用一維數模計算工程后水面線及河網主要節點流量和分流比的變化，從整體的角度分析工程對整個珠江三角洲流域的影響。
  11. When considering the maximum multiplier effect of the whole economic area we should take a series of measures to improve the mpc of each branch area and the investment in - flow rate of the branch area with a higher mpc as well as the investment outflow rate of the branch with a lower mpc ; also to be considered is the in - flow rate of investment capital to the branch area with a higher mpc

    當投資對整體區域的總體乘數效果成為關注的目標時，應當採取措施提高各子區域的邊際消費傾向、邊際消費傾向相對較高的子區域的投資內流比、邊際消費傾向相對較低的子區域的投資外流比、期初投資流入邊際消費傾向相對較高子區域的比例，以獲得投資對整體區域總體乘數效果的最佳化目標。
  12. The principles and characteristics of synchronous rectification ( sr ) are given, and advantages of self - driven sr in low power applications is detailed. review of several topologies which incorporate self - driven sr makes the constrains of conventional self - driven sr scheme apparent and thus a new scheme to drive srs is proposed. the developed single - winding self - driven synchronous rectification ( swsdsr ) scheme works properly in topologies that drive symmetrically the transformer ( push - pull, half bridge, . . ). it allows for maintaining the srs on even when the voltage in the transformer is zero, which is impossible to do in traditional self - driven approaches

    本文針對低壓/大電流輸出的小功率dc / dc變換器，圍繞著變換器的效率問題，分析了同步整流的原理和特點，重點闡述了自驅動同步整流在低功率場合的優勢，在分析比較了多種與自驅動同步整流相結合使用的電路拓撲后，指出常規的自驅動同步整流方案限制了與之結合使用的電路拓撲的范圍這一局限性，從而給出了一種新穎的單繞組自驅動同步整流方案。
  13. One is that the operation duty cycle can not be larger than 50 % because of the requirement for the transformer resetting. as a result, the voltage stress of the secondary diode is high, which limits the usage of dfc in high output voltage application

    但由於變壓器磁芯復位的需要，其工作占空比必須小於50 ，從而造成占空比利用率不高，變壓器副邊電壓高，副邊高頻整流二極體的電壓應力大。
  14. The empirical analysis of data from five selected banks suggested that blr adjustments are largely determined by fed funds target rate fftr adjustments ; changes in liquidity conditions ; the blr - based liability - to - asset ratio of individual banks ; and the level of disequilibrium among blr, fftr and the risk premium of the hong kong dollar relative to the us dollar

    5間銀行的數據進行的實證分析顯示，最優惠貸款利率的調整決定因素大致上為：聯邦基金目標利率目標利率的調整流動資金狀況的變化個別銀行以最優惠貸款利率計價的負債與資產比率負債與資產比率，以及最優惠貸款利率目標利率及港元相對美元的風險溢價之間的失衡程度。
  15. Firstly, the basic theory of full - bridge phase - shift zvs pwm converters are expatiated and another three kinds of circuits of full - bridge phase - shift zvs pwm converters are discussed. there are four kinds of problems which are emphasized : how to expand the zvs range ; how to reduce the circulation in the primary side of the transformer in order to minimize the on state losses ; how to decrease the loss of effective duty circle and how to eliminate the parasitic oscillation of the output rectifiers

    本文首先分析了基本的全橋移相zvsdc dc變換器的工作原理，為解決滯后橋臂不易實現零電壓開關（ zvs ）的情況，討論了另外三種全橋移相zvsdc dc變換器的電路拓撲，重點分析並解決了四個方面的問題：如何擴大zvs的負載范圍；減小變壓器原邊環流，降低變換器系統通態損耗；減少變壓器次邊有效占空比丟失；消除輸出整流二極體的寄生振蕩。
  16. A current - doubler - rectifier ( cdr ) zvs pwm ( half - bridge ) three - level converter is proposed in this paper. zvs can be achieved for all the switches in a wide load range with the use of the energy stored in the output filter inductances. the output rectifier diodes commutate naturally without voltage oscillation and voltage spike

    針對傳統（半橋）三電平直流變換器的一些不足，本文提出一種倍流整流方式pwm零電壓開關三電平直流變換器，可以使開關管在全負載范圍內實現零電壓開關，副邊整流二極體無電壓尖峰，無占空比丟失。
  17. Based on comparison between the parallel - parallel and parallel - serial combination ttfc, a novel two - transistor forward converter with parallel - serial / serial combination is proposed. this converter reduces greatly the current overshoot of the primary side switches and the voltage overshoot of the rectifying diodes. moreover, the size and weight of the converter can also be reduced by interleaving technique and increasing frequency

    本文在對並-串型和並-並型雙管正激組合變換器進行了詳細比較研究的基礎上，提出了一種新型並-串串型雙管正激組合變換器，該組合變換器可以大大減小原邊開關管的電流應力和副邊整流電路中二極體的電壓應力；通過交錯控制及提高開關頻率，大大提高了變換器的功率密度。
  18. The primary results showed that the hybrid grid method and corresponding mathematical model are especially suitable for simulating complicated flows in forebay of pumping station, in which bottom sill, diversion wall and underwater piers were installed

    可以較好地模擬出局部區域復雜的水流流態，生成網路的計算工作量小，能非常方便地進行不同整流方案的計算比較，實用性強。
  19. Eventually, study on active - clamp zvs pwm forward - flyback converter with current double synchronous rectifier is presented which is fashionable in the application field of medium and low power supply

    論文最後，對目前中小功率應用領域比較流行的有源箝位倍流同步整流zvspwm正反激組合變換器進行了深入的理論及模擬研究，給出了研究結論。
  20. The novel system has two - novelty points comparing to tradional system. the first, this system configuration is consisted of a new type of compound flyback converter, bi - directional high frequency rectifier, high frequency filter and controller

    與其他文獻資料中介紹的同類電路結構相比，本文提出的方法中有兩個較新穎之處：一、該系統由雙組合式單端反激變換器、雙向高頻整流器、高頻濾波和控制部分組成。
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