本地振蕩器 的英文怎麼說

中文拼音 [běndezhèndàngqì]
本地振蕩器 英文
lo local oscillator
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 蕩 : Ⅰ動詞1 （搖動; 擺動） swing; sway; wave 2 （無事走來走去; 閑逛） loaf; wander; roam; loiter; go a...
  • 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
  • 本地 : this locality; local; native
  1. Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation

    利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點，以gps信號為基準來校準本地時鐘（晶體振蕩時鐘或原子鐘） ，將gps接收機輸出信號的長期穩定度和恆溫晶振的短期穩定度相結合，應用大規模可編程邏輯器件，設計和實現了由pc104控制的實時在線授時系統。
  2. Secondly, the dissertation presents a 3 - dimensional searching method with afc and pn code synchronization and adaptive array convergence in order to accurately estimate the frequency difference between the received signal and the local oscillator

    其次，為了準確估計接收信號和本地振蕩器之間的頻差，提出了afc 、 pn碼同步、自適應陣收斂的三維搜索策略。
  3. It can improve the temperature performance easily without increasing the cost and the consumption of the area

    利用該種方法，可以方便地提高弛張振蕩器的溫度性能，而沒有增加它的成本以及面積消耗。
  4. 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。
  5. In this paper, the operation principle of the oscillator is analyzed first, from the point of view of theory the designs of crystal resonator and its equivalent circuit, crystal oscillator and thermostatic chamber are defined. the noise model of circuit is used to analyze key factors influencing phase noise of the crystal oscillator, in order to control phase noise of the crystal noise from the very beginning of the design

    本文首先分析了振蕩器的工作原理，從理論的角度闡明了晶體諧振器及其等效電路、晶體振蕩器和恆溫箱的設計，利用電路的噪聲模型來分析影響晶體振蕩器相位噪聲的關鍵因素，從設計就開始控制晶振的相位噪聲，為更好地實現課題的目標打下良好的基礎。
  6. The converter mainly accomplishes changing the c - band rf to intermediate frequency 70mhz, amplifying and gaining. the thesis includes r & d of local oscillator and group - delay equalizer. the thesis overall views the historical development future trend, introduces the theories, applications and characteristics

    該變頻器主要完成雙通道c頻段射頻信號到70mhz中頻的變頻、放大和增益控制等功能，本文的主要工作是下變頻器中的本地振蕩器和中頻群延遲均衡器兩部分的研製。
  7. A full - digital demodulation technique is introduced in this paper, which can make it easy and quick to design and achieve binary phase shift keying ( bpsk ) demodulator, and also can reduce the requirement of the oscillator frequency precision and the degree of stability of the receiver

    本文介紹了一種適合於用數字信號處理器（ dsp ）實現的全數字解調技術。該技術能方便、靈活地設計實現二進制相移鍵控（ bpsk ）解調器，而且使用該技術可以大大降低對接收機本身的振蕩頻率精度和穩定度的要求。
  8. According to the total requirments of the ecs, a compensate way of shunting capacitors can be properly chosen which is compatible to the system by analyzing the reactive compensate theory and comparing compensate ways systematically. the thesis makes deep and comprehensive studies about the selection of the control methods and the control physical parameters and establishes a reactive power compensate control strategy to avoid possible power oscillation when switching compensating capacitors

    根據整個系統對無功補償的總體要求，首先對無功補償理論和各種無功補償方式作了一個系統的分析和比較，選擇並聯電容器作為本系統的無功補償方式，對控制方法和控制物理量的選取做了詳盡、深入的研究，制定了無功補償控制策略，有效地避免了投切振蕩。
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