電調濾波器 的英文怎麼說

中文拼音 [diàndiào]
電調濾波器 英文
electrically tunable filter
  • : 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...
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  1. In designing analogic circuit, we adopt programmable filter max262 to meet the system ' s command. after the step, we can make the signal ' s frequency width is wider and noise level is lower. to make the signal ' s amplitude to meet the analogic to digital device ' s command, we adopt the max551 to finish the gain control

    在模擬路部分,採用可編程max262 ,這樣就滿足了該數據採集裝置所採集的信號的頻率范圍較寬以及具有較低的噪聲水平的要求,為了使采樣到的信號的幅度滿足後面a d轉換的要求,採用max551對采樣到的信號進行調理(增益控制) 。
  2. A coplanar waveguide tunable bandpass filter using ferroelectric thin film

    基於共面導傳輸線的鐵薄膜可調帶通
  3. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次,針對acem系統特有的「源諧」特性,深入分析了方案,得到了一種適用於acem系統諧抑制的串聯混合型有源優化拓撲結構,並採用了pwm調制技術、中頻注入變壓和磁勢補償原理有效地解決了串聯apf中低頻諧功率補償信號傳輸的難題。
  4. The rf front - end structure is predigested greatly due to using the electronically tunable filters

    由於電調濾波器的選用,降低了射頻前端系統的復雜度,射頻結構得以大大簡化。
  5. For phonetic signal modulation, if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz, the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree, modulating bias current and parameters of the cavity can improve the anti - noise properties of laser

    對語音調制情況,如帶通的通帶范圍取為300hz - 3400hz ,則激光的抗噪聲性能基本不依賴于偏置流和腔內參數;當帶通的通帶范圍增大到一定程度,調整偏置流和腔內參數可以實現半導體激光的高抗噪聲性能。
  6. The switched capaci tor filter is the counterpart of the continue time analog filter " s sampling, it is more adapted to the miniaturization of the circuit and can realize the higher accuracy transfer function, especially the design of the cmos integrated sc filter based on the biquad have advantage of high accuracy, small area, low power consumption, simple architecture and easy to debug. it has important academic and practical means of the sc filter " s research and design

    開關是連續時間模擬的采樣時間等效路,更適合路的小型化,同時也實現高精度的傳輸函數,尤其是基於雙二階的cmos開關設計具有高精度、面積小、低功耗和路結構簡單,易於調試等優點,所以研究和設計開關有著重要的理論和實際意義。
  7. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想路因素(如相位不平衡、幅度不平衡、直流偏差等)對調性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路的設計,特別詳述了荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  8. As we have introduced a multilevel decision method with discriminator detection to improve the error rate performance, the deducing and analyzing for this method are present in this article. the theoretical error rate and the monte carlo simulation result are showed in figure to compare the system error rate performance affected by different premodulation filter

    在系統誤碼模擬中引入了一種有助於改善誤碼性能的鑒頻加多平判決的解調方法,文中對此方法也進行了詳細的推導和分析,並給出根據此方法計算出的誤碼理論值,結合系統誤碼性能的蒙特卡羅模擬值,對比分析各種預調對系統誤碼性能的影響。
  9. Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit

    分析了混合型有源的控制系統、諧檢測方法及控制原理、數字低通和pwm信號的產生,在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源硬體原理圖。並對pwm驅動路、流采樣路、調整、按鍵輸入和保護路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。
  10. High quality epitaxial sto / ybco multilayers can be fabricated due to their similar crystal structure and small lattice parameters mismatch. the filter made from sto / ybco thin films shows high tunable speed, low microwave loss and high power handling capability. so sto / ybco multilayers have attracted much interests for electronically tunable filter in the last decade

    因此,利用高質量sto / ybco外延薄膜研製的具有響應速度快、微損耗低、調諧范圍大、承載功率高等優點,是一種極具競爭力的電調濾波器技術方案,也是當前的研究熱點和開發重點。
  11. The whole pwm circuit contains two subcircuit, the front - end is pwm module that make up of the counter that based on nine mosfet true - single - phase - clock d flip - flop ; the back - end is demodulated module, which is consist of a three order chebyshev low - pass filter used trans - conductor capacitor. all the subcircuits are simulated. at last, an approving simulated result of the whole circuit is given too

    調制部分,利用九管單相時鐘d觸發構成計數,並由此組成了脈沖寬度調路,同時給出了在典型溫度下的模擬結果;在解調部分,介紹了低通從無源到有源的設計方法,設計了三階切比雪夫低通跨導,同樣給出了相應的模擬結果;最後,作為將脈沖寬度調路和作為整體路,以脈沖調為輸入進行了模擬,取得了令人滿意的結果。
  12. Switched - capacitors - filter has the merits of small area, low power - consumption, and easily debugging

    開關不僅具有體積小,功耗低、調試方便等優點。
  13. Therefore, the result can be applied to other power electronic devices such as transducer, svg, etc. lastly, apf ' s main circuit, snubber circuit and driver circuit were fixed, debugged, and improved in some aspects

    最後,本文對有源的主路、吸收緩沖路、驅動路進行了安裝、調試,並做了一些改進。
  14. In the paper a gmc filter with a cutoff frequency of 29. 8mhz is implemented. an effective improvement is made in cmfb ( common mode feedback ) through using a differential amplifier with four inputs. transconductors are tuned through comparing two voltages, which helps to stabilize the cutoff frequency

    文中實現了跨導,其截止頻率達到29 . 8mhz ;採用四輸入端的差分放大使共模反饋得到了有效的改善;通過簡單的壓比較實現跨導調諧,有助於穩定截止頻率。
  15. To make the exact design of low - sensitivity switched - current high - pass filters be convenient, a new design methods using the novel bilinear feed - forward differentiator is proposed. at the end two examples about digitally programming fir filter and si - ota auto - tuning filter are given

    介紹了數字可編程fir和si - ota自動調等新型開關,並分別給出設計實例和設計注意事項。
  16. Keywords : active power filter, voltage type harmonics, load voltage regulaton

    關鍵詞:主動式壓型諧、負載調整。
  17. In the last few years, the polution and harm of harmonic hi the power system is becoming more and more serious. the lc passive filter that is used widely ca n ' t satisfy the new demands of harmonic filter. the combined system of shunt lc passive filter and active power filter are put forward, and this paper focus on the following four aspects. 1

    近年來,力系統諧的污染和危害日趨嚴重,而國內普遍使用的lc無源逐漸不能適應的新要求,本文提出了與可變參數lc混合使用的並聯型有源系統,並著重研究了以下幾個主要問題: 1 、 lc無源(主要是高通)參數調節對阻抗特性和無功補償的影響。
  18. And a novel systematically method, using linear combination approach to design high order filter, has been proposed. the designed filters can be adapted by adjusting the bias currents, without changing the physical structure. the results of the examples and pspice simulator show the advantages and availabilities of this method

    並且提出了多項式線性組合法,採用該方法不但能設計出所要求的高階,而且能在不改變物理結構的情況下,利用流控制傳送的特性,調整其偏置流,實現輸出特性的改變。
  19. The typical control methods for apf such as triangular wave modulate, hysteresis control and timing control, etc, these methods all have some demerits

    而有源常用的控制方法為三角調制、滯環控制和定時控制等常規的pwm控製法,這些方法均存在一定的不足。
  20. The influence of parameter adjuster upon the impedance and reactive power of lc passive filter. 2. the strategy and methods of the adjustable lc passive filter is brought up

    2 、與並聯型有源混合使用的可調參數lc無源的參數調節策略和方法。
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