電聲放大 的英文怎麼說

中文拼音 [diànshēngfàngdà]
電聲放大 英文
electroacoustical amplification
  • 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...
  • 放 : releaseset freelet go
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  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. 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。
  3. Elect hardware, and design current to voltage translation circuit, voltage amplification circuit and acoustic - optic alarming circuit

    對硬體進行了選擇，對電流/電壓轉換電路?電壓放大電路和聲光報警電路進行了具體設計
  4. 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。
  5. 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。
  6. 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。
  7. In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer

    蛋品激勵出的聲音主要集中在低頻段，因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路；放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機，對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖；而後將能量分佈特徵數據作為神經網路的輸入值，這樣，好蛋和破損蛋的模型就建立起來。
  8. Transmit / receive ( t / r ) modules is the base of the modern radar. the paper puts forth a design scheme according to the target including t / r switch, up conversion, power amplified, low noise receive and down conversion. the dimension is restricted to 106 89mm through scheme comparison and the existing experiment condition, the final products arrive at the target we expect with millimeter hybrid integrated circuit

    收發t / r組件在當今雷達系統中佔有舉足輕重的地位，本文根據設計指標提出了毫米波前端的設計方案，系統功能上要求完成收發雙工、上變頻和功率放大、低噪聲放大和下變頻功能，外形尺寸為106 89mm ，通過綜合方案比較，結合自身條件，選取了毫米波混合集成電路形式。
  9. The lna is one of the most important and broad components in microwave communication system receiver, and is used to amplify the low level signal. as the first signal processing block after the antenna, the lna determines the noise figure and input voltage swr and greatly impacts the dynamic range

    低噪聲放大器（ lna ）廣泛應用於微波接收系統中，是重要器件之一，主要用來放大低電平信號，由於是自天線下來第一個進行信號處理的器件， lna決定了整個系統的噪聲性能和電壓駐波比vswr ，並對動態范圍有著較大的影響。
  10. 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。
  11. 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。
  12. 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
  13. If you connect an optional power amplifier and do not use the built - in amplifier, the beep sound will be deactivated

    如果連接一選購的電源放大器而不使用內置放大器，將不發出嗶聲。
  14. In the sixth chapter a low noise amplifier whose operating frequency is 6ghz 12ghz is presented. it is a balanced amplifier. in this chapter we discuss the calculation of lange coupler, the matching of balanced amplifier and the influence of thin film mic in the design

    第六章設計的6ghz 12ghz的低噪聲放大器為平衡放大器，詳細討論了蘭格耦合器的計算、平衡放大器中匹配電路的設計和薄膜mic工藝對電路設計的影響。
  15. 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 。
  16. In receive channel, the low noise amplifier make the signal which received from the antenna enough strong to demodulation

    而低噪聲放大器用於接收鏈路中放大天線接收到的微弱信號，使信號電平達到解調單元所能分辨的電平。
  17. Second, a single - end to dual - end lna which benefits for integrating the rf block and the digital block is presented

    這一類的低噪聲放大器對于將整個射頻模塊和後端的數字電路集成很有益。
  18. 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
  19. The radio frequency receiver supports interface for instrument and base station and air interface for mobile station, and it takes the task of magnifying low noise and down - convert and digital baseband processor filtering and magnifying intermediate frequency to reverse link signal. the digital baseband processor samples the received signal after down - convert radio frequency signal to intermediate frequency signal and processes other processing and supports interfaces to computer, next sends data to computer. the gps receiver supports interface for instrument and gps system, and receives gps system signal, next it demodulates the correlative information and sends out benchmark clock signal we need

    射頻接收部分主要為儀器和基站、移動臺提供空中介面，其主要任務是在反向鏈路上對接收到的射頻調制信號進行低噪聲放大、射頻下變頻變換、中頻濾波放大等;數字基帶部分為對接收信號變頻為中頻后進行a / d采樣，以及其他的rsp處理並和計算機提供介面，將數據送至計算機進行后臺處理、顯示等; gps接收機部分為儀器和gps系統提供介面，接收gps系統信號並解調相關信息，輸出所需的電文及時鐘基準信息等。
  20. Secondly, experiments were made to analyze the effect of the wheel damper, we used the system composed of a self - made pendulum, three acceleration sensors, a four - channel charge amplifier, a sound level meter, a signal collection analyzer and the dasp software

    其次，對車輪阻尼器的降噪效果進行實驗分析。實驗採用激振單擺、加速度傳感器、電荷放大器、聲級計、智能信號採集處理分析儀以及dasp軟體組成的測試系統。
分享友人
分享到 Line

分享到臉書