放電流噪聲 的英文怎麼說

中文拼音 [fàngdiànliúzàoshēng]
放電流噪聲 英文
discharge current noise
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. 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。
  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. 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
  4. 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 。
  5. First and second band - gap filters amplify small signals and shift direct current voltage, which filter interference and noise by frequency. then, comparator restrains noise and interference through 700mv voltage window

    兩級帶通濾波放大器對熱釋電紅外傳感器採集人體的微弱小信號進行交流放大和直流電平的轉換，並根據頻率對噪聲和干擾進行過濾。
  6. Moreover, nonlinear damping is injected in a variable structure mode so as to accelerate the rate of convergence as well as to avoid current noise being magnified

    該控制律以變結構的方式注入非線性阻尼，以加速系統的收斂，並防止放大電流噪聲。
  7. In view of the problem of signal - to - noise and stability of circuit of photoelectric detection for weak signal, a low - noise amplifier circuit of photoelectric detection is designed, with the functions of filter and phase compensation

    摘要針對光電檢測中對微弱信號放大而帶來的信噪比和穩定性問題，設計了一種低噪聲光電信號放大電路，它具有電壓、電流濾波和相位補償功能。
  8. To reduce power dissipation of the amplifier, a kind of on / off technology is used in the circuit. with a little bias current circuit to control the main bipolar transistor operation, the transistor will be in a state of on / off

    採用器件旁路小電流工作電路，實現對低噪聲放大器主要工作晶體管的控制，使該晶體管按需要分別處于工作或關斷狀態，保證了放大器的極低功耗。
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