振蕩器濾波器 的英文怎麼說

中文拼音 [zhèndàng]
振蕩器濾波器 英文
oscillator filter
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : 動詞(除去液體雜質) filter; strain
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  1. The pll consists of a crystal oscillator, a ring voltage - control - oscillator, a frequency divider, a phase / frequency detector, a charge pump and a loop filter

    設計的電路包括20mhz晶體,鑒頻鑒相,壓控,固定分頻,電荷泵和低通
  2. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線由寬帶放大、可調衰減和聲表面質量傳感件構成。延遲線輸出信號經后與109mhz的本機晶體輸出信號相混頻,通過低通取其差頻,並經整形後由數字信號處理電路處理。
  3. The designs of the pfd, digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed, based on the pll theory. in order to improve the precision of pll, some design methods of pfd are given, and its feasibility is validated by the fpga hardware implement

    2 .在鎖相理論指導下,第三章討論了頻率合成設計中的鑒頻鑒相、數字、恆溫壓控和分頻電路設計。為了進一步提高頻率合成的精度,文中給出了提高鑒頻鑒相性能的一些設計思想,結合fpga的硬體設計驗證了其可行性。
  4. This page investigates ceramic filters and resonators

    這個頁面研究陶瓷
  5. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成導的金屬壁,由於每排金屬孔孔間距遠小於長,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的矩形導,所以能夠用矩形普通導實現的結構也都可以用基片集成導來實現,比如功分、天線、耦合等。
  6. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼的設計採用優化g . 729a代碼達到設計要求,並在此基礎上加入g . 729b的靜音檢測模塊,以進一步降低網路傳輸帶寬;對回聲消除的設計採用nlms演算法,通過設計自適應fir和語音檢測達到回聲消除目的;對雙音多頻設計,信號發生端採用構造靜態參數表並通過二階正弦產生信號,信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計,除了類似雙音多頻的信號發生及頻率檢測設計外,還需要檢測信號持續時間,作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
  7. The adm system mainly includes a oscillator, a clock generator, an amplifier, a pre - amplif ier, a comparator, an agc ( automatic gain control ), an adm analyzer & synthesizer, a d / a converter and a lowpass filter

    整個系統包括:內置,時鐘產生,放大,前置運算放大,比較, agc (自動增益控制) , adm分析綜合,數模轉換以及低通
  8. Using current controlled conveyors, the designs of active components, function circuits, filters and oscillators have been systematically presented in this paper. the circuits are not only easy to integrated, but also adaptable

    本文系統歸納和提出了以電流控制傳送為積木部件設計有源件、運算件、的方法,所設計的電路不但易於集成,而且具有輸出可調的特性。
  9. Applying the criterion of the work state of operational amplifier, the stable operating condition of voltage - controlled voltage source filter 2 is proved in detail and the condition that the filter can be used as the sinusoidal oscillator is given

    摘要利用運放工作狀態的判據,系統地證明? 4種二階壓控電壓源型穩定工作的條件,同時給出了用作正弦的條件。
  10. Then the paper researches the operational principle and realization method of each subassembly of the digitized phase - locked loop, which includes numerical controlled oscillator, digital phase dectector, and digital filter etc., and also discusses the method of improving the performance of each subassembly

    接著闡述了數字化鎖相環各個部件的工作原理及實現方法,包括數字控制,數字鑒相,數字等,研究了改進各部件性能的方法。
  11. The company have an advanced product line domestic and abroad, manufacture management quartz crystal resonator chief, filter, oscillator ; ceramic resonator, filter and sound surface resonator, filter, etc

    公司現擁有數條國內外先進生產線,主要生產經營石英晶體諧;陶瓷諧及聲表面諧等。
  12. And designed a program used by this method to design a filter. the result complies with the analytic result. at the end of this paper, according to the project of airline broadcast, the author designd filter with high rectangular factor, five channelizing filter banks, saw programmable correlator implemented with multiplayer muti - chip technology, saw resonator

    本文的最後,結合某航空直擴數傳電臺的工程要求,設計了高矩形系數的前置、聲表面組、採用多晶元組裝厚膜工藝技術的聲表面可編程相關和聲表面壓控,完成了解調解擴單元的硬體設計。
  13. The resonance network is connected to the gate, then the output and input matching network is designed to satisfy the oscillation criteria. then harmonic balance method is used to analysize and optimize the output power and phase noise. to minimize the load pulling effect a buffer amplifier is designed to isolate the oscillator and the load

    本文在場效應管fet柵極上加上諧網路(諧網路是通過cst模擬得到的,它是串聯反饋迴路,介質工作在te01模,對于其後的fet ,它又相當於一個帶阻) ,然後設計輸入輸出匹配電路,使電路結構滿足起條件,之後繼續用諧平衡法模擬和優化,使輸出功率合適,相位噪聲很低。
  14. Analyze the interpolation filter, timing - error detector and controller in loop of timing recovery detailedly

    詳細分析了定時恢復環路中的內插、定時誤差信號的提取、數控
  15. The thesis describes a prototype fractional frequency synthesizer which is supported by a project granted by the ministry of science and technology of pr china. firstly, based on the principle of pll, this paper briefly describes three basic pll components : phase detector ( pd ), low pass filter ( lpf ), voltage controlled oscillators ( vco ), analyzes the linearized pll and summaries the transfer functions of third - order pll with ideal intergrator filter respectively. based on a microwave vco, the single point frequency pll frequency ranging from 2. 2 to 2. 5ghz is developed

    首先,從鎖相環的基本理論、原理出發,分析了鎖相環中的三個基本部件:鑒相、環路和壓控,此後,針對線性化鎖相環進行了分析,研究了在使用比例積分時,三階鎖相環的環路參數計算;在電路實現時選用了lmx2353 ,在此基礎上,完成了2 . 2 ~ 2 . 5ghz范圍內的小數頻率合成設計。
  16. It can interface with single chip computer expediently and transmit data by rule and line. oscillator in the infrared transmitting circuit that consisted of ne555, and can used to modulates the output from serial port of single chip computer. the integrated infrared receiver can demodulates, filter and transmit the signal to single chip computer

    紅外線西北口二j匕大學悶成d匕學位咭侖文發送電路的由ne555構成,它可對串列口輸出信號進行調制,一體化的紅外接收頭對紅外信號進行解調、和整形,再送單片機處理。
  17. The frequency of the pulse is the same as that of the crystal oscillator. the pulses sampled the output of the vco and generate the error signal. the error signal is amplified,

    誤差電壓經放大後送入環路進行和再放大,然後去改變變容管偏置電壓,控制輸出頻率,達到穩頻的目的。
  18. The designs and realizations of the representative radio frequency modules, such as power attenuator, directional coupler, filter, small signal amplifier and oscillator, were emphasized

    重點分析了典型射頻模塊電路(如:功率衰減、定向耦合、小信號放大)的設計和實現。
  19. It is sticking point for optimizing the performance of pll to confirm the parameter of vco ( voltage controlled oscillator ) and properly design the loop filter

    確定壓控的各項指標、合理設計環路是優化環路性能的關鍵,本文對此作了比較詳細的分析。
  20. Waveguide type dielectric resonators - guidelines for oscillator and filter applications

    導型介質諧.指南
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