無聲放電 的英文怎麼說

中文拼音 [wúshēngfàngdiàn]
無聲放電 英文
silent discharge
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 放 : releaseset freelet go
  • 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...
  • 無聲 : noiseless; silent
  • 放電 : [物理學] （electric） discharge; electro-discharge; discharging
  1. Low noise amplifier ( lna ) is widely used in front end of a received set of mobile communication 、 wireless radio 、 blueteech technology and so on 。 the active device is the core of the circuit and has significant effects on the whole equipment, therefore, the design of the active device is vital in lna

    微波低噪聲放大器（ lna ）廣泛應用於移動通訊、無線電、藍牙技術等的rf前端。 lna中的有源器件是整個電路的核心，對整個放大器電路的性能有著重要的影響，因此有源器件的設計是lna的關鍵技術之一。
  2. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。
  3. Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network

    該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制器主機組成。在防範地點安裝好主機后，並設置在布防狀態。一旦有盜賊闖入防範地點，探測器立刻發射無線編碼信號，安裝在距防區150米以內的主機立即發出警笛聲報警，報警時撥打預先設定的聯網中心號碼或報警電話手機號碼，接警電話里回放用戶預錄的報警語音，遠程報警，同時通過網際網路來實時傳遞布防撤防報警等狀態，通過電腦網路來查詢歷史記錄。
  4. China grand theater has advanced push and pull lift mechanical stage and orchestra, which offers excellent assurance for the art treatment of performance ; the scientific and rational sound establishment and reinforcement system and top acoustics recording equipment let the high grade and high rank large - scale symphonic concert have best audiovisual effect. in addition, the luxury illmination in the hall, the 1500 luxury and cozy seats in the audience hall and big and small vip drawing rooms which can hold 100 people can all show the splendid and luxury style of china grand theater

    中國劇院具有較先進的推拉升降機械舞臺和樂池，為演出的藝術處理提供了良好保障；電腦控制的各類燈具使舞臺的藝術效果大放光彩；科學合理的建聲、擴聲系統和先進的音響錄音設備為舉辦高品位、高檔次的大型交響音樂會提供了最佳的視聽效果。劇院大廳吊裝的華麗燈飾、觀眾廳1500席美觀舒適的新型座椅、可容納100人的大小貴賓休息室等，無不顯示出中國劇院富麗堂皇的豪華氣派。
  5. Meetings, dances, college commencement exercises, and musicals were also held there

    1900年代早期，它特別受到大眾的青睞，因為此處負責放映無聲電影。
  6. Sun pictures is also a museum, exhibiting projectors that date back to the silent films, a portrait gallery of the celebrities who never knew about this place - even though they came here all the time. every once in a while, i ' m told, you might find a non - ticket holder in your seat

    同時還是一座博物館，展出的有無聲電影時期的放映機和明星們的肖像，盡管這些影界名流有些從未聽說過這個小城，但是他們的作品時常會到此一游。
  7. 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。
  8. Abstract : by using the self - regulating electrostatic drying equipment, theelectrostatic drying for plant leaves is studied. the equipment is a surface silent discharge ozone generator. the electrostatic drying and natural drying are compared experimentally. the result shows that the electrostatic field is more effective for plant drying. the polarity characteristics of the electrostatic drying is discovered during the experiment and discussed. for accelerating drying, the polarity characteristics should be considered in the drying equipment design

    文摘:在自製的沿面式無聲放電臭氧發生裝置上，對植物葉片進行了乾燥實驗.通過對植物靜電乾燥和自然乾燥的比較，證實靜電場對植物有明顯的乾燥效果.發現了靜電乾燥中的極性效應，即當管狀電極的極性為負時，乾燥速度較快.對極性效應進行了探討和分析.實驗結果表明:沿面式無聲放電臭氧發生裝置可以有效地對植物進行靜電乾燥.研究結果對有效地利用靜電乾燥和極性效應來合理設計靜電乾燥裝置的結構具有重要意義
  9. More importantly, the nature of technologies is shifting from analog to digital, semiconductor to micro processor, wired and fixed to wireless and movable, proprietary to open systems and from separate transmission voice “ dada ”, text and image to interactive motile media

    更重要的是是，技術的本質是將模擬技術轉變為數字技術，將半導體轉變為微處理器，將有線電信和固定電信轉變為無線電信和移動電信，將專有系統轉變為開放系統，將互為獨立的聲音、資料、文字和圖像傳播方式轉變為互動式的多媒體方式。
  10. It becomes more convenient and cheaper than ever for us to buy goods because of the information - shared, interactive and cheap characteristics of network. but electronic commerce became depressed when buying goods on the internet was not popular

    由於internet自身的開放性、共享性、協作性和低廉性的特點，但一陣熱炒后的電子商務在經歷一段蕭條的網路購物后卻又走向了寂寥無聲。
  11. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起，首次利用該種有源區結構制備出偏振不靈敏半導體光放大器，並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬，在不同信號波長，不同信號功率0 - 200ma的注入電流范圍內，偏振相關損耗均《 0 . 9db ，在耦合差損為7db / facet的條件下，最大fiber - to - fiher增益達10db ，無損操作電流為50 - 70ma ，消光比達50db以上，而噪聲指數則低於8db ，最小可達4 . 6db 。
  12. Cinematography - common to more than one film gauge - sound - specification for positions and width dimensions of recording and reproducing head gaps for three -, four - or six - track magnetic sound records on 35 mm and single - track on 17. 5 mm motion - picture film containing no picture

    電影技術.第5部分:多種膠片寬度的通用部分.第4節:伴音.第3小節:無圖象的35mm和單軌17 . 5mm膠片上三四或六導道磁性聲頻記錄用錄音和放音頭間隙的位置與寬度尺寸規范
  13. Low noise amplifier ( lna ) is a key component in the front - end of rf transceiver

    低噪聲放大器（ lna ）是無線收發機前端的關鍵電路之一。
  14. Methods of measurement for radio equipment used in satellite earth stations ; part 2 : measurements for sub - systems ; section three : low - noise amplifier

    衛星地面站用無線電設備的測量方法.第2部分:分系統的測量.第3節:低噪聲放大器
  15. In vehicles or in buildings, radio reception may be difficult or noisy. try listening near a window

    在車輛內或建築物里使用，接受無線電廣播的效果常較差或易產生噪聲。此時，請放在靠窗處使用。
  16. Fig. 3 integrated wind profiler and rass at sha lo wan. the rectangular antenna in the middle transmits and receives radio waves

    中間的長方形天線作用是發放和接收無線電波，周邊的四個圓柱形擴音器則向空中發出聲波。
  17. This paper studies the design methods and techniques of the broadband lna. using negative feedback techniques and lossy match method, a broadband lna acceptable for sdr is presented. the measured results showed that over 30mhz ~ 3000mhz, the lna achieved a maximum noise figure of 2. 0db, a power gain of 22db with gain flatness of less than 2. 0db

    本文最後對寬帶低噪聲放大器的設計方法進行了詳細探討，並運用負反饋技術和有損匹配的方法，研製了一種適合軟體無線電應用的寬帶低噪聲放大器，經測試，在30 3000mhz頻率范圍內，噪聲系數nf 2 . 0db ，增益g = 22db 2 . 0db 。
  18. The next highest, alpha waves, are associated with daydreaming and visualization or " sensualization ", as the author puts it and with relaxed, detached awareness, a receptive state of mind. they also, very importantly, serve as a bridge between the conscious and unconscious minds or between the beta mind state and those states associated with the lower frequency brain waves

    次高頻率的腦電波，波：與白日夢和視覺體驗作者又稱之為聲色的體驗有關，是一種放鬆不執著高接受度的心靈狀態這種腦波非常重要的是聯結意識與無意識狀態，也是介於波意識狀態與低頻率腦波意識狀態之間的橋梁。
  19. Methods of measurement for radio equipment used in satellite earth stations - part 2 : sub - systems measurements - section three : low noise amplifier

    衛星通信地球站無線電設備測量方法第2部分:分系統測量第3節:低噪聲放大器
  20. As a key component of rf front - end, broadband low noise amplifier ( lna ) becomes important in the sdr receiver

    寬帶低噪聲放大器作為接收機射頻前端的關鍵部件之一，在軟體無線電中起著重要的作用。
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