電聲效率 的英文怎麼說

中文拼音 [diànshēngxiàolǜ]
電聲效率 英文
acoustic-electric index
  • 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...
  • 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
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. Energy efficiency fund in jointly efforts of unido, alton fund and netherlands government 5. distributing cooling, heating and power combined supply system

    提高常規發電廠效率技術：研究超聲波乳化燃油節油技術以及燃煤發電廠汽輪機余熱蒸汽中熱能回收技術等。
  2. Efficiency test study on unit 2 of gongzui hydropower station by ultrasonic method

    水輪機發電機組超聲波法效率試驗研究
  3. The state - of - art “ zhongwei ” series machines deliver stable performance in varied function with user - friendly operation ; the big output servo system applied assures low - noise, effective production of precise patterns, which are widely used in elegant mattress, cloth, cushion, sleeping bags and other bedclothes

    本公司生產的「中威牌」系列電腦絎縫機造型美觀、布局合理、結構新穎、功能齊全、性能可靠、操作簡便易懂、效率高、噪聲低，採用大功率進口伺服系統，產品關鍵配件全部進口，使機器性能穩定、功能更強、精度更高；絎縫出來的花樣精確美觀，廣泛適用於高級床墊、服裝、靠墊、睡袋、床上用品等各種產品。
  4. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上，採用一種新型雙向dc dc變換器的拓撲結構，把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件。
  5. With the development of power electronics technology and devices in recent years, instead of using the industrial frequency transformer to boost voltage, dc / dc high frequency converter achieves the function. the system has higher power density and conversion efficiency, and the size, weight, ac noise of which has been greatly reduced

    近年來，隨著電力電子技術與器件的迅速發展，使用dc dc高頻變換技術代替工頻升壓，系統具有較高的功率密度與轉換效率，裝置體積、重量與交流噪聲大大減小。
  6. 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。
  7. As the microbolometer which is voltage biased express some characters different from other infrared detectors under the effect of electric heat and infrared radiation together, the computing method of parameters, such as responsivity, noise, noise equivalent temperature different ( netd ), noise equivalent power ( nep ), optical gain, detectivity and so on is given in this paper. some of these parameters are particular compared with other detectors, and some have difference between microbolometer and other detectors

    由於微測輻射熱計在施加偏置電壓的情況下，電熱效應與紅外輻射的共同作用使它表現出與其他紅外探測器完全不同的一些特徵，文中給出了響應率、噪聲、噪聲等效功率、噪聲等效溫差、光學增益、探測率等參數的計算方法，這些參數中的部分是微測輻射熱計獨有的，或者與其他的紅外探測器的同一參數有所區別。
  8. Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied

    論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。
  9. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時，能拓寬零電壓開關的范圍，使變換器在較寬的負載變化范圍內都能實現軟開關。
  10. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在透鏡成像理論的基礎上，系統、深入地分析了共焦掃描顯微成像的機理，論述了應用單模光纖的激光共焦掃描顯微成像系統的優點；進行了總體方案的論證，並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案；從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系，分析了系統耦合效率和漸暈現象對光學系統的設計要求；完成了方案中光學系統和二維掃描控制電路的設計，並在電路設計中採用了用軟體解決檢流計式光學掃描器（振鏡）非線性問題的新方法，能夠實現較為理想的二維模擬掃描；完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。
  11. The pin silicon photodiode made by alice - china group, which has a large area and high performances, is an important part of the photon spectrometer ( pros ) pbwo4 detector read - out system on the alice experiment. the pin diode has a sensitive area of 16x17 mm2. its leakage current is lower than 5na at room temperature

    本工作研製的pin硅光電二極體的靈敏區面積為16x17mm2 ，常溫漏電流小於5na ，紫光區量子效率約為83 % ，結電容為110 - 120pf ，以及由pin光電二極體與電荷靈敏前置放大器組成的讀出系統的噪聲水平在- 25下小於527個等效噪聲電荷，並經過了長期性能穩定性的考驗
  12. The 7 years ' applicable practices indicate that the frequency modulation technology with dc bus voltage ripples is very effective to suppress acoustic resonances

    7年的使用實踐表明，直流脈動電壓頻率調制技術對抑制聲諧振現象十分有效。
  13. Meanwhile, such parameters as diffraction efficiency, deflection angle and driving power of device have been analyzed and computed theoretically

    電極厚度以及器件的聲光衍射效率、偏轉角度、聲驅動功率等參數。最後是器件的製作。
  14. Because of the using of interpolation, noise shaping and switching amplification in the digital audio amplifier technology, the power supply modulator is not only much efficient but also behaving good in envelope amplification, this advantage is hard to implemented with conventional technology

    數字音頻功放技術是近年發展起來的高效率音頻放大技術，該放大技術採用了過取樣、噪聲整形等數字音頻處理演算法和開關功率放大。採用該技術實現的電源調制器不但具備很高的效率，而且能高指標地放大包絡信號，是常規的電源調制技術無法實現的。
  15. People can get almost information through the internet. this gives rise to serious problems including wide spread copyright violation, illegal copying, easy forging etc. these problems are rooted from the intrinsic features of the digitally formatted information : ( 1 ) making copies is easy and inexpensive ; ( 2 ) each copy is exactly identical to the original ; and ( 3 ) distribution of the copies ( e. g. via network or floppy ) is easy and fast

    多媒體數據的數字化為多媒體信息的存取提供了極大的方便，同時也極大地提高了信息表達的效率和準確性，如數字信號很容易進行編輯，可以方便、便宜、無失真地被復制，數字聲音、文本、圖像和視頻易於通過電子的（網路）或物理的（ cd - rom ）系統低價高效地迅速傳輸和分配等。
  16. In spite of the low transition efficiency, the thermoelectric transition equipments have a lot of characteristics such as no moving parts, pollution and noise, long life span and safety, which stirs people to research them with great enthusiasm

    熱電轉換裝置盡管目前轉換效率比較低，但因為具有結構緊湊、沒有移動部件、工作無噪聲、使用壽命長、安全不失效、易於自動檢修、無污染等優點，從而激起了人們的研究熱情。
  17. So, both 1 / f noise power spectrum measurement and similarity coefficient extracted from its time series can offer economical, effective and indestructible tool to detect the latent damage induced by esd and hci for mosfets

    因此，無論是1 / f噪聲功率譜的測試還是由其時間序列提取得到的相似系數均可以作為經濟、有效、完全非破壞性的工具，替代傳統的電特性用於檢測靜電引起的mos器件潛在損傷以及熱載流子注入損傷。
  18. But to circular plate with large surface area, the vibrate modes generated is often so high that there is reverse phases existing, which result in a decrease in radiation impedance, electric - acoustic efficiency and the electric power, as well as poor directivity

    然而對于輻射面積較大的彎曲振動圓盤，一般激勵的振動階數比較高，因此存在彎曲振動的反相區，導致換能器的輻射阻抗下降，電聲效率和聲功率降低以及指向性變差等問題。
  19. The rotational converter could not satisfy with the requirement anymore. compared with the rotational converter, asi is better in the efficiency, power density, reliability and electrical quality

    與傳統的旋轉變流機相比， asi具有效率高、功率密度高、無噪聲、可靠性高、壽命長、供電品質好、維護方便等優點。
  20. 22 paired inferior collicular neurons were obtained in the experiment. the neurons were recorded in the depth of 198 - 1254 u m ( 544. 59 ? 72. 37 n m, m + sd ), and their bfs were 11. 25 - 59. 29 khz ( 26. 77 + 9. 95 khz, m ? d ) : the minimum thresholds ( mts ) werelo - 66 db spl ( 38. 14 ? 14. 39 khz, m + sd ) ; the latencies were 4. 0 - 16. 0 ms ( 8. 19 + 3. 14 ms, m + sd ) ; the best intervals between paired sound pulses were 0. 01 - 28. 71 ms ( 3. 93 + 2. 52 ms, m ? d ) 0 the results showed : l ) there were interactions between the neurons in the iso - frequency lamina and hetero - frequency lamina which included mutual inhibition ( 18 / 22, 81. 8 % ) and mutual facilitation ( 4 / 22, 18. 2 % ), and the mutual inhibition in iso - frequency lamina was stronger than that in hetero - frequency lamina ; 2 ) the mutual inhibition decreased with sound level increasing ( p < 0. 001, anova ) ; 3 ) the analysis of the inhibition of discharge rate at lodb above mt showed that the inhibition increased when the paired neurons " bfs difference decreased ( r = - 0. 545, p = 0. 0006 ) ; 4 ) the mutual inhibition of paired neurons can sharpen the frequency tuning and the effect increased when the frequency was away from the bf ; 5 ) the changes in q10, q30 decreased with bfs difference of the paired neurons increasing ; 6 ) the mutual facilitation between paired neurons not only increased discharge rate, but also widened the frequency tuning, i. e., increased response frequency

    結果表明： 1 ）同頻層神經元之間或者非同頻層之間神經元之間存在相互作用，這種作用既有相互抑制（ 18對，佔81 . 8 ） ，也有相互易化（ 4對，佔18 . 2 ） ，且同頻層神經元之間的相互抑制作用較非同頻層神經元之間的相互抑制作用要強； 2 ）神經元對低刺激強度反應時，所受到的相互抑制作用較強，隨著聲刺激強度加大，抑制作用逐步降低（ p 0 . 001 ， anova ） ； 3 ）對閾上10db放電率抑制百分比進行的分析顯示，配對神經元之間的最佳頻率差越小，相互抑制作用越強（ r = - 0 . 545 ， p = 0 . 0006 ） ； 4 ）配對神經元之間通過相互抑制作用可表kx碩士學位論文waiaster 』 sthesis現出調諧銳化作用，該作用的效率與頻率有關， bf處的銳化作用較低，偏離bf時其銳化作用逐步加強； 5 ）頻率銳化作用的效率與bf差有關，隨著配對神經元之間的bf差擴亢q10 ， q30值的變化逐漸減小，其變化百分比與配對神經元之間的頻率差存在明顯相關； 6 ）配對神經元之間的相互易化作用不僅表現在放電率增加上，也表現在頻率調諧曲線的擴寬，即頻率響應范圍擴大。
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