高效率二極體 的英文怎麼說
中文拼音 [gāoxiàolǜèrjítǐ]
高效率二極體
英文
efficiency diode- 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...
- 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
- 二 : Ⅰ數詞(一加一后所得) two Ⅱ形容詞(兩樣) different
- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 體 : 體構詞成分。
- 高效率 : high efficiency高效率二極體 efficiency diode; 高效率放大 high efficiency amplification; 高效率天...
- 高效 : eff1
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Contractible income gap, still should advocate improve efficiency through competing, allocate in on emphasize competing, allocate in 2 on pay attention to fairness, solve problem of polarization of social member distribution of personal incomes with this, 12 central files already were reflected somewhat in this respect
縮小收入差距,仍要提倡通過競爭提高效率,在一次分配上強調競爭,在二次分配上注重公平,以此解決社會成員個人收入分配兩極分化問題,中心12號文件在這方面已有所體現。Schottly barrier diode can be used as rectifying and continuous - flow unit in high frequency rectifying, switching and holding circuit, yet reducing the power consumption and circuit noise, enhancing the circuit efficiency and operation frequency
肖特基二極體在高頻整流、開關電路和保護電路中作為整流和續流元件,可以大幅度降低功耗,提高電路效率和使用頻率,減少電路噪聲。This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration
本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法,實際標定了所用的探測器和單色儀系統,測得了噴氣靶激光等離子體光源的相對光譜分佈,設計出絕對光譜分佈的測量方法,並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統,完成了多層膜反射率測量工作。Thirdly, the relative theories of the limiter and rectifier are studied. in order to make the passive responder work stably under the conditions of large dynamic range of the receiving power and the high efficiency requirement, a two - stage limiter circuit and a voltage - doubler rectifier circuit with several diodes parallel are developed
3 ,對應答器地面裝置中的能量轉換電路進行了研究,針對應答器地面裝置接收到的載波功率具有大動態范圍的特點以及系統能量轉換的高效率要求,設計了一種兩級級聯二極體限幅電路和多管並聯的倍壓整流電路。All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser
激光二極體端面泵浦的固體激光器具有效率高、譜線窄、壽命長、結構簡單、使用方便等優點,特別是採用環行諧振腔內加光學單向器構成的單頻激光器,由於頻率穩定,使其成為許多高水平量子光學實驗的主要光源。本論文圍繞全固態單頻藍,綠,紅外激光器進行了一系列實驗研究工作。The goal of this paper is, by serial / parallel combination technique of two - transistos forward converters ( ttfcs ), to keep the merits of the ttfc, and to overcome the shortages of it. the interleaving technique is adopted, while in combining ttfcs. the interleaving technique lowers the net ripple amplitude and raises the effective ripple frequency of the overall converter without increasing switching losses or device stresses
組合式雙管正激變換器由雙管正激變換器串並聯構成,應用交錯控制策略,在保留雙管正激變換器功率開關管電壓應力低和可靠性高的優點同時,克服了等效占空比小、副邊二極體電壓應力高、輸出電流脈動大等缺點。Laser - diode end - pumped solid - state laser has many advantages, including high efficiency, good beam quality, high frequency stability, narrow line width, long lifetime, compact configuration, convenient for using et al. especially, single - frequency solid - state laser sources are required for many fields of fundamental research and scientific application, such as gravity - wave detection, coherent laser radar, coherent communication and fiber sensing
激光二極體泵浦的固體激光器具有全固態、小型化、效率高、使用方便等優點而受大家的廣泛關注,尤其是實現單頻運轉的全固態激光器以其優良的頻率特性和輸出功率穩定性可廣泛應用在相干信息處理、頻率計量、量子光學、引力波測量和量子信息等研究領域。Moksan 0. 5w power leds offer ultra high brightness and efficacy for a broad range of specialty and general illumination applications
5w大功率發光二極體能提供超高的亮度和光效,可廣泛地應用於專業照明和普通照明。Diode - pumped solid - state laser ( dpl or dpssl ) is solid - state laser, used laser diode ( ld ) instead of flash lamp to pumping laser media. comparing with flash lamp, it has a lot of advantages, such as high efficiency, reduced size, compactness, stabilize and longer lifetime
激光二極體泵浦的固體激光器( dpl或dpssl )是用激光二極體( dpl )代替閃光燈泵浦激光晶體的固體激光器,與燈泵浦相比,具有效率高、體積小、結構緊湊、性能穩定、壽命長等優點,已成為當今固體激光器發展的主要方向。The clamping diodes conduct only once in a switching period, and the resonant inductance current is smaller in zero state, leading to a higher efficiency and reduced duty cycle loss. the operation principle of the improved converter and the comparison with the original converter are analyzed in this paper. the effect of the blocking capacitor in series with the transformer or resonant inductance is discussed, and a best scheme is determined
本文將諧振電感和變壓器交換位置,使變壓器與滯后橋臂相連,這樣箝位二極體在一個開關周期中只導通一次,同時零狀態時諧振電感電流較小,有利於提高變換效率和減小占空比丟失,本文分析改進后變換器的工作原理,並與改進前的變換器進行對比,討論隔直電容在不同位置對變換器工作的影響,確定一種最佳工程方案。Compared to gan, which is one of the most successful wide - band semiconductor materials at present, zno is promising : high - quality zno with very low defect densities can be synthesized at much lower temperature than gan ; zno can emits light with shorter wavelength than blue light emission from gan ; zno has higher excitonic binding energy ( ~ 60mev for zno, 25mev for gan ), which promises strong photoluminescence from bound excitonic emissions at room temperature ; meanwhile, homogeneous bulk zno is available
和gan相比, zno薄膜具有生長溫度低,激子復合能高( zno : 60mev , gan : 21 25mev ) ,受激輻射閾值較低,能量轉換效率很高等優點。有可能實現室溫下較強的紫外受激發射,制備出性能較好的探測器、發光二極體和激光二極體等光電子器件。Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers
其中,在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響;然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗,通過分析它們對振蕩激光腔模尺寸的影響,得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求,為高功率連續單頻nd : yvo _ 4激光器的優化設計提供了理論依據。Diode pumped solid state lasers ( dpssl ) have become the central focus of the field of lasers due to their many advantages such as high efficiency, stability, good quality of light beam, compactness, long time and etc. diode - pumped passively q - switched laser is much efficient to obtain narrow pulse width and high peak power
激光二極體泵浦的全固態激光器( diodepumpedsolidstatelasers , dpssl )具有效率高、穩定性好、光束質量好、結構緊湊、壽命長等優點。The signal generating source is simplified after the theoretical analyse of the system, and the cumbersome transformer is replaced too. in addition, the carbon fiber cathode substituted for the stainless steel cathode on the tomachan experimental device
在二極體陰極方面,為提高虛陰極振蕩器束波轉換的效率,利用碳纖維陰極替換原來的不銹鋼陰極來改善電子束質量。Diode pumped solid - state laser ( dpssl ) is a kind of long - life, stable, compact, efficient all - solid laser. it has considerably replaced the other type of lasers
二極體泵浦固體激光器具有光束質量好、壽命長、工作穩定、結構緊湊、效率高等優點,已經在很大程度上替代了其它類型的激光器。Wang zijun ( condensed matter physics ) directed by prof. zhong guozhu and li wenlian hotly studied organic thin film electroluminescence, because of its ultra high brightness and efficiency, reminds man to consider the possibility of realizing organic semiconducting laser diods
熱點研究的有機薄膜電致發光,由於極高的亮度和效率,使人聯想有機半導體薄膜激光二極體的可能性。率先的突破是在單晶上作出的,用了場效應注入雙電極。How to further improve the luminous efficiency, brightness, life length and operating voltage of organic light - emitting diodes ( oleds ) is still in research
如何進一步提高有機發光二極體( oled )的發光效率、提高發光亮度、延長器件壽命、降低工作電壓還處于不斷研究中。Compare to the operation under the dcm mode, the power switches of the inverter under the ccm mode has lower peak current and rms current, so the efficiency can be improved. as the synchronous rectification strategy can reduce the conduction losses of the rectifier, and also due to the zvs realization of all synchronous rectifiers, the
採用非互補導通控制,在ccm模式下由於功率管電流峰值和有效值的減小,逆變器變換效率較dcm模式下有所提高;另外, ccm模式下,反激逆變器採用同步整流控制,減小了整流二極體的導通壓降,並且電路中同步整流管可實現零電壓開通。The detector was characterized to have a cutoff wavelength at 340 nm and the photo - responsivity measurements on the pixels result a uv response as high as 0. 15 a / w, corresponding to an external quantum efficiency of 54. 8 % in the visible - blind spectral ranging from 400 down to 250 nm
該肖特基光電二極體陣列的光譜響應截止邊為340nm 。在400nm至250nm的紫外光盲區域,光電響應測試顯示該器件在截止邊波長處具有0 . 15a / w的高響應度,相對應的外量子效率為54 . 8 。High - efficient coupling technology is the key technology of the high power diode - pumped solid state laser systems
大口徑激光二極體陣列的高效泵浦耦合技術是高功率二極體泵浦固體激光系統急需解決的關鍵技術之一。分享友人