源輸出效率 的英文怎麼說
中文拼音 [yuánshūchūxiàolǜ]
源輸出效率
英文
source output efficiency- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 率 : 率名詞(比值) rate; ratio; proportion
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
- 效率 : productiveness; efficiency; productivity; workpiece ratio
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In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。In order to obtain the maximum conversion efficiency we always hope the pump source is operated at the maximum level, thus to raise the input pump energy, we have to apply the galilean telescope to input the pump beam, but it will lead to the bad pump beam quality and the large output beam linewidth
為了獲得最大轉換效率總希望使泵浦源運轉在可達到的最高水平,因此不得不採用伽利略壓縮望遠鏡輸人泵浦光以提高輸人泵浦光的能量,但是這同時使泵浦光質量變壞,使得輸出線寬變大。With the stringent requirement of low output voltage and high output current, semiconductor diode is necessarily replaced by synchronous rectifier to minimum voltage drop. because the existed driving schemes can not drive srs properly, two novel driving schemes for synchronous rectifiers in magnetic amplifier post regulating circuit are proposed in this paper
已有的同步整流管驅動電路主要面對多路輸出的主輸出電路,而應用磁放大器調節的輔助輸出電路同步整流管的驅動,現有的方法存在磁放大器調節與同步整流管驅動的失配,降低了開關電源的效率。Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )
本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案,面對開關電源朝著輸出低電壓大電流方向發展的趨勢,提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed
提出了一個價帶附近的界面態分佈模型,用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響;論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed
在該方法中,擁塞控制器以緩沖區大小信元作為擁塞指示,以信源質量和帶寬利用率作為目標函數進行在線學習,控制器輸出包括信源編碼率及其對應的用戶數在全部用戶中所佔的百分比,即根據信源編碼率及對應的用戶百分數調整信源輸入流,從而克服了以往擁塞控制方法中僅僅調整編碼率帶來的對所有信源進行整體調整的缺陷,使控制系統在信元損失率最小情況下確保信源輸入流質量最高,從而有效地利用了網路帶寬。With soft - switching technology, inverter spot - welding power source has lower switching dissipation, lower electromagnetic interference and lower sensitivity to parasitic parameters of power circuit, contribute to inverter output characteristics and circuit efficiency, stability and reliability
採用軟開關技術的點焊逆變電源,可減小開關損耗、電磁干擾及對電路寄生參數的敏感性,並從根本上改善電路的輸出特性,提高電路的效率、穩定性和可靠性。Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed
根據相位均方根值迭代收斂準則和輸出功率,用fox - li迭代法求出反射鏡上實際的光強分佈和熱源,得到鏡面的位移變形和單程附加相移,以zernike多項式擬合單程附加相移,分別用迭代法和幾何法計算了腔鏡變形時的腔模光場,建立了光學元件對光束質量影響的評價因子,研究腔鏡冷卻效果和冷卻方式,對輸出耦合鏡的變形進行了分析。Furthermore, it is easy to use different control strategy in the digital inverter, so different pwm control can be used, in order to optimize the design of output filter and improve the output performance
同時,在數字變換器平臺上可以方便地實現各種控制策略,達到進一步優化輸出濾波器參數、提高輸出電能質量、提高變速恆頻電源整體效率等目的。An optional second power analyzer is available, which can be used independently from the source, or for dual - node measurements such as power supply input output efficiency tests
還可使用可選的第2臺功率分析儀作為獨立源或用於雙結點測量,例如電源輸入或輸出效率測試。This dissertation present a new structure of rbwo and use the magic tool to simulate it and it is a good reference for further research on improving output power, efficiency and reducing the focusing magnetic
本文的研究工作提出了一種hl - rbwo的結構並對其進行了粒子模擬;在思想方法上,在如何提高rbwo的輸出功率、輸出效率、降低聚焦磁場,對于研究進一步開發和利用高功率高效率低磁場微波源有一定的參考意義。In section 3, we analyze the changes of tfp in transportation industry. data of inputs and outputs is dealt with and presented in this section the results of the changes of productivity are achieved
該部分選取交通運輸業的投入產出指標並對所選原始數據進行處理求得該行業生產率變動指數及其分解指數(即資源配置效率變化指數、規模效率變化指數及技術水平變化指數) 。A set of icp etching system has been designed and manufactured through the analysis of the probe diagnosed results. during the study of the system, the emphasis is laid on the matching problem of icp coupled antenna via the rf matching device and rf power source
通過對探針診斷結果的分析,設計並製作一套icp刻蝕系統,重點研究icp耦合天線通過射頻匹配器與射頻功率源的匹配問題,得到很好的匹配效果,在射頻輸出功率為500w以內時,反射功率小於10w 。In order to obtain ideal efficiency, the rf mosfet sd2918 [ 4 ] is used. also, the dead - time is inserted between the drive signals of mosfets, which is effective for reducing the shot - through loss and drain - source capacitor cds loss
為了獲得理想的放大效率,採用射頻場效應管sd2918 [ 4 ] ;同時,在兩驅動信號之間引入dead - time ,減小mosfet的串通損耗以及mosfet的漏源輸出電容cds損耗。At the operating voltage and current less than rated values, the amplifier provides a maximum of 5. 94 - w ( continuous wave ) output power when driven into saturation. the average combining efficiency over the operating band was estimated at 82 %. the maximum combining - efficiency and the overall power - added efficiency ( pae ) is 87 % and 13. 6 %, respectively
該功率合成放大器在低於mmics功率單片額定工作值的情況下獲得了1 . 7ghz帶寬的最大飽和輸出功率5 . 94w (連續波) ;整個帶內合成效率估計平均為82 % ,最大合成效率達87 % ,功率相加效率( pae )約為13 . 6 % ;若電源達到mmics單片的額定值,估計最大輸出射頻功率將會達到7w 。Then the power circuit is designed. at last, with analysis of experiment data the relation of power output and transmission efficiency of transformer is researched in detail
然後對扭矩儀的電源部分進行了設計,並通過實驗數據對功放電路的輸出功率和變壓器的傳輸效率的關系作了深入的研究。It is electronic inverter that realizes constant frequency output. so the power system has advantages of facile maintenance, high quality of output, high efficiency, flexible structure et cetera, and makes both start engine and generating electrical power dual function possible. now it has become an important research direction of aero - power
由於採用電子裝置來實現輸出頻率的恆定,因此電源系統具有易於維護、電源質量高、效率高、結構靈活等優點,並能實現起動發電雙功能,目前已成為航空電源中一個重要的研究發展方向,而且隨著電力電子技術與元器件生產工藝的不斷發展,變速恆頻電源具有廣闊的發展前景。Avalanche diode high order frequency multipliers are able to transform microwave signals to millimeter wave signals in single stage by fierce nonlinear inductance effect in avalanche phenomena. it has obvious advantages in high order frequency multiply with high efficiency and is a good approach to provide high quality millimeter wave source
雪崩高次倍頻器能夠將微波信號單級高次倍頻至毫米波頻段,它倍頻效率高、輸出功率較大,具有高頻率穩定度和低相位噪聲的特點,能夠為毫米波應用提供優質的毫米波信號源。A laser diode with 976nm center wavelength and 2. 03w maximum cw output power is pumping unidirectionally through the couple - imaging system on a double - clad yb - doped silica fiber with a yb - concentration 0. 65 mol % circular inner core, a d - shaped inner clad, and 15m length by f - b cavity. the center wavelength of the fiber laser is 1130nm, and the maximum cw output power is 130. 7mw. an optical - to - optical conversion efficiency of 42 % and a slope efficiency of 63. 4 % are obtained
用中心波長976nm 、最大連續輸出功率為2 . 03w的ld泵浦源,通過成像耦合系統,單端直腔式泵浦纖芯摻雜濃度為0 . 65mol % 、內包層截面形狀為d形、長度為15米的雙包層摻鐿石英光纖,實現了中心波長1130nm 、最大功率為130 . 7mw的連續激光輸出,光纖激光器的光光效率為42 . 0 % ,斜效率達到63 . 4 % 。Opo is one of the most promising all solid state source of coherent radiation that is tunable over a broad wavelength range and high average power output with a high conversion efficiency. the application and exploitation of it has important value of not only in theory but also practicality. but the development of opo requires the high optical quality and high damage threshold crystals
Opo是一種具有廣泛應用前景的全固化相干輻射光源,而且具有寬的調諧范圍、高的輸出功率、高的轉換效率等特點,使opo的應用和開發具有重要的理論和實用價值,但是opo的發展需要有高的光學特性和高的抗損傷閾值的晶體。分享友人