輸出聲功率 的英文怎麼說

中文拼音 [shūchūshēnggōng]
輸出聲功率 英文
output acoustic power
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • : 率名詞(比值) rate; ratio; proportion
  1. The system cybernation method is distributed control system. in this way, the audio process computer switch the signal between input and output channels. the main function of audio process computer is general broadcast, service broadcast and emergency broadcast. there is a special control computer. it " s main function is supervise - control the system status such as the amplifier and speaker circuit

    在控制上,採用了分散式控制方式,由語音計算機進行音源入和的切換,執行業務性廣播、服務性廣播和火災事故緊急廣播;由控制計算機進行系統的監控,監視放大器和揚器迴路的工作狀態,並根據當前的設備狀態執行相應的控制任務。
  2. Independence exportation of real six wayses

    真正六道獨立進口大
  3. Real 5 ch independence import the big power output the tube

    真正5道獨立進口大
  4. And the gist of dividing subarray is proposed. according to the gist, a new subarray whose configuration is simple is proposed, and makes its grating lobes unobvious and its adapted antenna pattern close to that of the full optimum processing by confusing the periodicity of subarry and making the power of output noise equal

    然後在此基礎上提了一種新的結構簡單的子陣結構,並且通過打亂子陣排列的周期性以及保證各子陣相等,該子陣的柵瓣效應幾乎可以忽略且其自適應方向圖保形良好。
  5. By solving the stochastic differential equations describing the noise performance of the cmos gilbert mixer, the time - varying power spectral density of its output noise at high frequencies is given

    通過求解描述cmosgilbert型混頻器噪性能的隨機微分方程,本文給了該類型混頻器高頻的時變譜密度。
  6. According to the theory of acousto - optic ( ao ) interaction, the formulas of diffraction loss of two ao q - switches, which acousto - field are perpendicular or parallel one another, the power divider for ensuring two ao q - switch synchronization and effective power driving is designed. the calculation results are satisfied with nd : yag laser experimental results. it is show that two ao q - switches, which acousto - field are perpendicular each other, switch - loss is nearly one times larger than one ao q - switch, one of third larger than the two ao q - switches which acousto - field are parallel

    從理論上對光器件衍射損耗作了分析與計算,研究了二維雙光器件對提高衍射損耗效的影響,在實驗中採用二維雙光組合器件提高光器件的對nd : yag激光器的關斷能力,較之單光的關斷能力提高了一倍左右,而對于平行雙光也提高了30左右,並設計了光驅動分配器以驅動雙光器件達到同步,消除了激光的多脈沖現象,提高了脈沖列的
  7. Based on our theoretical predictions, we find optimal splicing parameters on fsm - 30s fiber splicer for low loss joints between erbium doped fiber and other single mode fibers. we also experimentally demonstrate a novel three - stage erbium - doped fiber amplifier with high gain, low noise figure, and high output power. finally, a prototype of a gain - clamped fiber amplifier is obtained with high gain ( 26 db ), low noise figure ( 5. 3 db ), high output power ( 17 dbm ), and large bandwidth ( 31 nm )

    文章研究了摻鉺光纖( edf )與其他光纖低損耗焊接問題,得到光纖熔接機低損耗熔接的最佳參數,這對摻鉺光纖放大器的科研生產具有一定的指導意義;研究了新型的三段級聯泵浦優配的摻鉺光纖放大器的優化光路結構,得到高增益,低噪,大的摻鉺光纖放大器;最後研製成高增益( 26db ) ,低噪( 5 . 3db ) ,大( 17dbm ) ,寬帶( 31nm )增益箝制摻鉺光纖放大器樣機。
  8. The laser give out 10. 7mw green light, pumped 900mw. we observed it for 40 hours, the noise of green power is lower than 1 %. we optimized the laser cavity later

    激光器工作在相互平行的多縱模模式下,在900mw的泵浦下得到倍頻光為10 . 7mw , 40小時連續1 。
  9. Real 5 waysindependence import the big power to output tube

    真正5道獨立進口大
  10. Different with the traditional ifog, light beams within mz - ifog transmit along the forward direction, which avoid the kerr effect noise and the interferometric noises brought by the backward scattering and reflecting light. mz - ifog also gains a high using efficiency of light source and a strong output signal. the principle of mz - ifog is analyzed

    與傳統sagnac干涉式光纖陀螺不同,此光纖陀螺結構簡單,兩路光信號採用前向傳,避免了後向傳光對光源的影響,也避免了後向散射、反射光帶來的相干噪以及光學kerr效應噪,光利用高,大。
  11. The theoretical analysis shows that mz - ifog can be used to detect the rotation rate of moving objects. a systematic analysis of transfer characteristics of mz - ifog is made. performance - limiting factors, including the path - length difference, the disturbance of temperature fluctuation and stress from working environment, the quality of light source, are all discussed along with methods to reduce their effect on the output signal

    本文用系統的方法分析了mz型干涉式光纖陀螺儀的光傳特徵,指了其較大的非互易性因素-臂長差的存在,分析了工作環境因素(溫度,應力) 、光源質量(光束中心波長、光波動及偏振態波動)對系統工作性能的影響,並指了減少系統非互易因素、抑制噪、提高檢測穩定性的措施。
  12. Then analytical measurements of the noise were carried out on both of the turbines by means of modern acoustic apparatus and a conclusion has been found that the noise of the concentrated wind energy turbine is lower than the one of the ordinary wind energy turbine and the root of the trouble to cause noise chiefly originates from the turbine blade. besides, the result of analytical measurement also reveals that the power output both of the wind energy turbines will increase with the increase of the wind speed and unfortunately does the noise too. in order to lower the noise, a measures of noise reduction have been advanced that an active method is to develop a wind energy turbine run at a lower rating of wind speed while the passive method is to adopt a board drilled tiny holes, having established a sound technological basis for the development of a kind of wind energy turbine of low noise and high level in the world

    主要對濃縮風能型風力發電機在正常運轉時,噪產生的機理進行了理論分析研究,並與普通型風力發電機的噪進行了對比實驗分析;利用現代學測試手段對兩類機型進行測試與分析,得濃縮風能型風力發電機產生噪低於普通型風力發電機和葉輪是風力發電機產生噪的主要部件的結論;通過對兩類機型的噪的測試,得隨著風速的增加,兩類風力發電機的在增加,產生的噪也在增加的結論;提了進一步降低濃縮風能型風力發電機噪的措施,從主動降噪方面,研製低額定轉速的發電機;從被動降噪方面,採用微孔穿板的降噪結構;為研究開發一種國際上低噪、高水平的風力發電機打下了良好的技術基礎。
  13. With the advantages of high gain and output power, low noise, wide bandwidth as well as no relation with polarization, edfa changes the traditional optical - electrical - optical relay mode step by step in many fields, and becomes an indispensable device in modern optical communication systems. it saves the expensive cost in optical - electrical transition, makes equipment easy to operate and maintain

    由於其本身具有高增益、高、低噪、帶寬寬、與偏振無關等優點,在很多領域和場合, edfa正逐步取代傳統的光-電-光中繼模式,省去光電/電光轉換的昂貴成本,便於設備的運行維護,成為現代光纖通信系統中不可缺少的關鍵部件。
  14. This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl

    本文以電信現在推的adsl傳中鏈路經常掉線和傳經常大范圍波動為例,重點分析了adsl所使用的dmt調制方式和注水演算法分配通道載荷方式原理,由此指adsl對噪信號敏感的根源,在得到問題的根源之後,分析了窗函數和柵欄效應對頻譜的影響,採用fft方法計算adsl線路的噪譜,為adsl線路測試提供了可靠的理論依據。
  15. With the method of integral within ordered product of operators, we obtain the analytical expression of quantum information counterpart of mutual information. the coherent information, as a function of input thermal state power and thermal noise channel power, we discuss the upper and lower bound for quantum gaussian channel introduced by holevo - werner and by quantum codes

    用正規乘積內的算符積分技術求了互信息的量子對應物? ?相干信息用入熱噪信號和通道熱噪表示的公式。討論了由holevo和werner引入的量子高斯通道量子容量的上界及由量子編碼所確定的下界。
  16. This paper begins with the calculation of the stator ' s resonance frequency, deals with the design and manufacture of motor, and puts forward dual nut structure of traveling wave revolving ultrasonic motor, and presents the analysis of the contract between rotor and stator in the manufacturing process, relation between the amplitude of voltage - ceremic chip and drive sources. the conclusion is that amplitude is affected by deviation of resonance frequency

    同時分析了電動機的加工工藝,對超波電動機製造過程中與接觸角和振幅與驅動電源的關系進行了討論,得到了接觸角與的關系曲線,以及超波電動機的振幅主要受電壓和激振頻偏離定子環第2n階諧振頻的偏離量確定。
  17. The radiated sound power is the active power in sysnoise

    回復:討論如何結構的輻射
  18. Chemical fiber special has high density ultrasontic output for special equipment of spinning jet and filtering core. it has big power, high effect and other advantages. and it can be both used in spinning jet and filtering core

    產品說明:化纖專用型清洗機具有高密集超,是針對化纖行業噴絲板,過濾芯,設計生產的專用設備.具有大,效高等特點,並具有過濾芯噴絲板兼容的優點
  19. The unequal noise powers of respective subarrays result in several slls closer to the mainlobe in the adaptive pattern increasing. so we propose normalization method by normalizing the outputs of subarrays which can suppress the sll well. quiescent pattern control is important for radar systems equipped adbf and spatial adaptivity

    各子陣不同,使得自適應方向圖中離主瓣較近的幾個旁瓣電平被提高,因此我們提歸一化方法,通過對子陣進行歸一化,可有效地抑制旁瓣電平。
  20. The length of cavity is shortened by 5mm and the result of experiment is pleased. when the pumped light was 400mw, we gain the green light about 8mw

    在400mw的泵浦下得到8mw的綠光,在溫度變化以及不同的泵浦入下,始終1 。
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