鎖相放大器 的英文怎麼說

中文拼音 [suǒxiāngfàngdàqì]
鎖相放大器 英文
phase-locked amplifier
  • 鎖 : Ⅰ名詞1 （安在開合處使人不能隨便打開的器具） lock 2 （姓氏） a surname Ⅱ動詞1 （上鎖） lock up 2 ...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 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
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. Choosing y type reflection fiber optic detector, this thesis create a tiny displacement - detecting sensor that is made up of led ( light emitting diode ), fiber optic detector, electric eye, lock - in amplifier, display and other electro circuits

    本論文採用y型反射式光纖探頭設計製作了一種微位移測量裝置，它主要由發光二極體、光纖探頭、 、鎖相放大器、顯示器及相關電路組成。
  2. The instrument is integrated with a multi - channel high precision open circuit potential measurement system for the ion selective electrode and a potentiostat used in voltammetry, an analog lock - in amplifier is also presented to measure the response of light addressable potential sensor

    對于不同的測量技術，儀器中集成了用於測量電極的多通道高精度開路電壓測量系統和用於溶出伏安法測量的多路電化學測量系統，以及用於測量光尋址電位傳感器的鎖相放大器。
  3. Realization of lock - in - amplifier software and parameter measurement

    鎖相放大器的軟體實現與參數測量
  4. Design of programme control lock - in - amplifier based on virtual instrument

    基於虛擬儀器技術的程式控制鎖相放大器設計
  5. Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops

    所涉及的主題包括：反饋系統的特性和優勢，時域和頻域性能度量，穩定和穩定度，根軌跡法，奈魁斯特準則，頻域設計，補償技術，種類繁多的物理系統應用，運算放大器的內部和外部補償，能量轉換系統的建模和補償，以及鎖相環。
  6. Using the lock - in technology, a fiber optic oxygen sensor based on fluorescence quenching has been developed, for the detection of the concentration of the gaseous oxygen and the dissolved oxygen

    採用鎖相放大技術，研製出一種基於熒光猝滅原理的可對氣態氧和溶解氧濃度進行測定的光纖氧傳感器。
  7. Research on cmos implementation of wlan transceiver rf front - end is done in this thesis. the transceiver uses the most used super - heterodyne architecture, its rf front - end consists of low noise amplifier, down - converter, up - converter, preamplifier, lo buffer and pll frequency synthesizer

    本論文研究無線局域網收發機射頻前端的cmos實現，該收發機採用超外差式的拓撲結構，其射頻前端主要由低噪聲放大器、下變頻器、上變頻器、末前級、本地振蕩信號緩沖器和鎖相環型頻率合成器等模塊組成。
  8. According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum

    摘要基於相干檢測原理設計了一套由單色儀、數字鎖相放大器和計算機聯合使用的透射式偏光鏡消光比智能化測試實驗系統，採用雙頻雙光路分光單探測器接收鎖相放大器分離信號比對法進行源補償測量，克服了光源光強漂移所帶來的影響；實現了可見光區消光比的精確自動測量，而且可以測得近似的消光光譜。
  9. Sampling frequency and time constant of phase - locked amplifier were increased by using microcomputer

    採用計算機采樣，提高了采樣頻率和鎖相放大器的時間常數。
  10. A computer controls the whole process of measurements by communicating with the lock - in amplifier via rs232 interface

    計算機通過rs232介面與鎖相放大器通信，控制測量的全過程。
  11. A lock - in amplifier is used to supply the driving signal and to detect the output signal corresponding to the sample ' s strain

    使用鎖相放大器提供驅動信號，並同時檢測對應于樣品形變的輸出信號。
  12. The core of the lock - in amplifier used to measure response of laps consists of a high precision modulator / demodulator and dds as signal generator

    對于光尋址電位傳感器，我們設計了以高精度數據機件和數字頻率合成器件為核心的模擬鎖相放大器。
  13. For the signals are very weak, the lock - in amplifier is employed to extract the signals in the circuit design. it can inhabit the noise in the most and maximize the signal - to - noise

    因為信號十分微弱，所以在電路設計上採用鎖相放大器來提取信號，最大限度的抑制噪聲，提高系統的信噪比。
  14. Using the home made device, the relationship between the 3 voltage and the heating frequency is obtained by lock - in amplifier, thus the thermal conductivity of the fluid is calculated with the least square fit method

    自行研製了流體導熱系數的測量裝置，採用鎖相放大器獲取3電壓與頻率的關系，並藉助最小二乘法，算出待測試樣的導熱系數。
  15. The experiment results show that : the frequency stabilization of the optimized doppler modulator has already reached rms error about 1 %, which could meet the need of reference signal of the lock - in amplifier

    實驗結果表明，經過優化后的多普勒調制器的輸出調制信號頻率的相對標準誤差達到了1 %左右，能夠滿足鎖相放大器對輸入參考信號頻率穩定度的要求。
  16. From chapter three to chapter five, the three key components of the system : millimeter - wave phase locked sources, multiple frequency local source, low noise amplifier are designed and tested

    第三章至第五章分別介紹了毫米波鎖相源、二倍頻本振源和低噪聲放大器三個系統關鍵的單元電路的設計過程和測試結果。
  17. First, an analysis for the design of the impulse phase lock oscillate, which includes impulse phase detector the dielectric resonant oscillate etc. secondly, presents an analysis for the design of wide band balanced low noise amplifier. the last two part simplify the theory and the electrical characteristics of the sub harmonic mixer, and the mmvco

    第一部分著重介紹了脈沖鎖相源的工作原理（主要包括取樣鑒相器和介質穩頻的壓控振蕩器） ，並介紹了研製結果的性能指標;第二部分介紹了平衡式寬帶低噪聲放大器的基本理論
  18. The first chapter, introduce the rf receiver ’ s devolop and current situation. the second chapter, introduce the effect of the exterior environment to the rf receiver. the third chapter introduce some different structure and the design parameters of each structures. the parameters of the rf receiver are introduce in fourth chapter. the fifth chapter design a s band rf receiver. this s band rf receiver use a structure of superheterodyne module

    第五章，介紹了一種s波段射頻接收前端的設計，基於分析的結果對一種射頻接收機的低噪放大、下變頻、鎖相環（ pll ）頻率合成器、中頻agc電路進行了設計，並在第六章完成了接收機各組件及總體的測試。
  19. On the basis of analyzing the old system and theory, the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits, the fsk circuit based on pll frequency synthesizer, the power amplifier circuit, the frequency discrimination and agc circuit

    在分析原系統結構和理論的基礎上，完成了整個無線數字音頻傳輸模塊各單元電路的設計。主要包括有數字音頻編碼和解碼電路及外圍電路的設計、基於鎖相頻率合成器理論的fsk電路設計、功率放大器的設計、鑒頻與agc控制電路的設計。
  20. After pin ’ s noise and equivalent circuit are discussed, this thesis introduces technology and methods of signal management, including pre - amplifier and differential - amplifier, bpf, lia, etc. at the end of paper, the system of photoacoustic spectrometer is proved by experiment

    本文在討論了光電二極體的噪聲和等效電路之後，介紹了信號處理的技術和方法，包括前置放大器、差分放大器和有源帶通濾波器的設計及用於微弱信號檢測的鎖相放大技術。
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