放大器噪聲 的英文怎麼說

中文拼音 [fàngdàqìzàoshēng]
放大器噪聲 英文
amplifer noise
  • 放 : releaseset freelet go
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. Design of microwave ultra - broad band low noise amplifier

    微波超寬帶低噪聲放大器的設計
  2. Again call the the ratio, namely the electric voltage of the enlarger s exportation signal with at the same time output s voice ratio for electric voltage, usually use the decibel number to mean. the equipments s letter the ratio is more our output of high enunciation is more little. by any large, letter the ratio is more big, and the elucidation is in the in the signal a the quantity for more smallly, voice returning putting is more high, otherwise contrary. letter the ratio should be generally not lower than 70 dbs, high the letter of the true box the ratio should attain 110 dbs are above

    又稱為訊噪比，即放大器的輸出信號的電壓與同時輸出的噪聲電壓的比，常常用分貝數表示。設備的信噪比越高表明它產生的雜音越少。一般來說，信噪比越大，說明混在信號里的噪聲越小，聲音回放的音質量越高，否則相反。
  3. In the forth chapter the series negative feedback and interstage mismatching are presentation, and a low noise amplifier whose operating frequency is 1. 5ghz 1. 8ghz is developed

    第四章詳細介紹了源極串聯負反饋和級間失配法，並設計和製作了1 . 5ghz 1 . 8ghz低噪聲放大器。
  4. Research of noise properties of fiber raman amplifier

    光纖拉曼放大器噪聲特性的研究
  5. 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。
  6. Chapter 5 is about the design of millimeter wave solid circuit included frequency multiplier, low noise amplifier, medium power amplifier, mixer, if amplifier lastly, based on the work above, a millimeter wave t / r module is developed and the analysis of the result is also introduced

    第五章毫米波固態電路，詳細分析了毫米波倍頻器、低噪聲放大器、毫米波放大器、混頻器的理論，製作了毫米波混頻器、毫米波放大器、中頻放大器、倍頻器等有源電路。最後，在上述基礎上製作了毫米波t / r組件。
  7. By utilizing the comb - like reflection spectrum of a hi - bi fiber loop mirror to suppress the ase ( amplified spontaneous emission ) of a double - pass edfa, the noise figure of this amplifier is much improved

    利用雙折射環鏡的梳狀反射特性抑制雙通edfa的ase ，從而使放大器的噪聲性能得到了明顯改善。
  8. Microwave assembly detail specification for model wfb2002 low noise amplifier

    微波組件. wfb2002型低噪聲放大器詳細規范
  9. The subject comes from the cooperation project “ x waveband sar receiver ” between chengdu sine science & technology ltd. and the uestc. the auther is responsible for the demonstrability of the rf receiver and the implemetaion of the lna in the system

    本項目來源於電子科技大學成都賽英科技有限公司與電子科技大學的合作項目「 x波段合成孔徑雷達（ sar ）接收機」 ，筆者進行了該接收機系統方案的論證及接收機前端低噪聲放大器（ lna ）的研製。
  10. We have designed different measurement instruments according to the methods. the instrument used to measure electrode is a high precision multi - channel system constructed with a iaadc as the core and high input impedance amplifier and low input current multiplexer

    對于硫屬玻璃電極，我們設計了以高精度的adc為核心，配以高輸入阻抗低噪聲的前置放大器和低漏電流多路模擬開關的多路精密電極測量系統。
  11. So, we designed a fully integrated low noise amplifier ( lna ) for 2. 4ghz rf front - end receiver on satellite

    針對此，本論文完成了一個2 . 4ghz衛星射頻前端接收電路的全集成差分cmos低噪聲放大器（ lownoiseamplifier ）的設計。
  12. Based on the analysis of transistor amplifier noise model, we select devices with low noise in reason. and the method how to reduce phase noise and phase jitter is also discussed

    依據晶體管放大器的噪聲模型分析合理選擇了低噪聲的元器件，對降低相位噪聲和相位抖動的方法作了一些探討。
  13. It is shown that neglecting the gate - drain capacitance of the mosfet would lead to an overestimation of the optimum device width in the cmos source degenerated lna

    本文證明了在cmos源端degeneration結構的低噪聲放大器中，忽略場效應管的柵漏電容將造成對放大管的最優柵寬估計過大。
  14. 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
  15. Because power management in this thesis aims at amplified spontaneous emission noise of erbium ? oped fiber amplifier ( edfa ), the thesis introduces the simplified stark ? split energy levels of er3 ", amplified working mechanisms of er3 * and working performance of edfa in details

    因為本文所採用的功率管理主要是針對edfa摻餌光纖放大器所產生的自發輻射噪聲去採取均衡措施，所以論文中詳細介紹了edfa中鉺離子的stark分裂的簡化的能級模型、鉺離子的放大工作機理及edfa的工作特性。
  16. The relays may lack the high speed switching characteristic of the solid - state state switches used by other preamplifiers, but they also have none semiconductor distortions and noise which accompany analog gates and voltage controlled amplifiers

    與其他前級放大器所用的半導體開關相比，這些繼電器缺少高速轉換的特性，但它們沒有隨著模擬開關和電壓控制放大器所帶來的半導體失真和噪聲。
  17. In order to obtain high resolution of the instrument, the effect of input noise of amplifier must be decreased. hereby, an amplifier circuit based on the chopping theory was developed for it

    由於該微摩擦測試儀要求的分辨力很高，而運算放大器本身的輸入噪聲嚴重影響系統的解析度，為此設計完成了基於斬波放大原理的放大電路。
  18. Forward spontaneous raman scatter noise in the fiber raman amplifier

    光纖拉曼放大器中的前向自發拉曼散射噪聲
  19. In this dissertation, we have introduced the fundamental theory for soliton ' s propagation in optics fiber, and the effects of noises induced by amplifiers on the propagation of solitons in optics fiber

    本文介紹了光孤子在光纖中傳輸的基本理論，以及放大器噪聲和孤子間的相互作用對其的影響。其中，重要的影響是產生時間抖動和減少通信容量。
  20. The article analyzes background noise, amplifier noise and detector noise in detail from fixed character of infrared dim - small target image, also processes the infrared image and separates targets from the image

    文章主要對紅外弱小目標圖像中的背景輻射噪聲、放大器噪聲、探測器噪聲進行了詳細的定性分析，並對紅外圖像進行處理，從圖像中分離出了弱小目標。
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