雜波調制器 的英文怎麼說

中文拼音 [zábōdiàozhìqì]
雜波調制器 英文
noise modulator
  • 雜 : Ⅰ形容詞（多種多樣的; 混雜的） miscellaneous; varied; sundry; mixed Ⅱ動詞（混合在一起; 攙雜） mix; blend; mingle
  • 波 : 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...
  • 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...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 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
  1. Pwm converter has low efficiency at light loads and high amplitude harmonic. on the other hand, the control circuit and filter for pfm are much complex

    Pwm調制模式的spic在輕載下效率較低，控制脈沖諧波峰值較大; pfm控制電路較為復雜，后續濾波器設計困難。
  2. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性，提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓，在滿足輸出電壓條件下使諧波最小。
  3. This paper uses an optically modulated scatterer system to measure microwave field with minimal disturbance. this method is especially adapt to measure magnitude and phase of microwave field close to conductor and microwave field with complex path between source and field. so it can be used to measure radiation antenna ’ s near - field and microwave into slots

    光調制散射器的測量方法最大限度地減少了測量裝置對被測場的擾動，特別適合於測量導體附近和具有復雜路徑場的幅值和相位分佈，可以用於對輻射天線近場的測試以及孔縫耦合中場的測量，可為天線的設計，微波孔縫耦合效應的研究提供較精確的實驗數據。
  4. In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account

    本文根據南椏河姚河壩水電站的設計方案，對水輪機調節系統，按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律，在小波動情況下，對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模型，並計及引水管道水力摩阻損失，對水輪機、調速器考慮了其中的非線性，利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。
  5. With the phase - noise model of the phase loked loop ( pll ) and the analysis of spur characteristic of fractional - n frequency synthesizer using - ? modulating technology, the scheme of pll with mixer + quadrupler is confirmed as a result

    文中，通過建立鎖相環路的相位噪聲模型，並分析了使用- ?調制技術的分數頻率綜合器的雜散性能，以此二者為理論依據完成了毫米波頻率源合成器的基本方案? ?鎖相混頻環+倍頻器方案。
  6. For a class of shunt - wound active power line conditioner, based on analysis of mathematical model of system and target of control, the algorithm of fuzzy variable structure sliding mode control is presented. the control algorithm can avoid complicated calculation of harmonic electric current in traditional control algorithm, and realize the feedback control of electric current. the algorithm is simple and easily implemented

    針對一類並聯型有源電網調節器在分析系統數學模型和控制目標的基礎浙江大學博士學位論文上，提出了模糊滑模控制策略，避免了傳統控制方法中復雜的諧波電流計算，實現對電源電流的閉環控制，該演算法簡單、易於實現，模擬結果證實了變結構滑模控制的有效性。
  7. It is found that all the thin films have a preferential c - axis orientation. with increase of al doping, the peak position of the ( 002 ) plane is shifted to the low 2 value

    同時， zno通過摻雜，對其帶隙進行調整，使探測器的吸收截止邊按需求被控制在特定的波長范圍內，將成為zno基紫外探測器研究中新的熱點。
  8. This dual - loop strategy is analysed completly and simulated. the implementation strategy is using digital and analogous hybrid control. the voltage loop is realized by dsp, and the inner - loop is realized by analogous circuit the design of cpld which simplified signal - phase cascade inverter circuit is also introduced in this paper

    根據控制方案設計了採用數模混合方案的控制電路，電壓外環採用dsp控制，實現輸出電壓有效值計算、 pi調解、輸出限幅等操作，電流內環採用模擬電路實現，並基於復雜可編程邏輯器件cpld設計了載波移相電路和死區產生電路，簡化控制電路。
  9. Digital adaptive heterodyne filter adopts the heterodyne - modulation conception, which makes the filter work in low frequency and lessens the complexity of design

    數字自適應外差濾波器運用外差調制的概念，使濾波在低頻率處操作，從而降低了濾波器的復雜程度。
  10. Sigma delta modulation frequency synthesis is an advanced technology that applies in pll ( phase - locked loop ) frequency synthesizer, which could transform the spurs created by fractional - n synthesizers into phase noise that could be filtered by inherent low - pass identity in pll

    此技術應用-調制將鎖相環頻率合成器中分數分頻器產生的相位雜散轉化為相位噪聲，通過鎖相環本身低通濾波特性濾除，從而使用單環即可獲得很高頻率解析度和極低的相位雜散。
  11. Based on the above background and under the support of tianjin natural science foundation project : intelligent fiber amplifiers and light sources, tianjin natural science foundation project : ( c + l ) broadband fiber amplifier and nankai - delta ( tianjin ) project : development of gain flattened erbium - doped fiber amplifiers, this dissertation is mainly focused on the study of novel gc - edfa, gain and nf ( noise figure ) improvement of edfa, light sources, multi - wavelength fiber laser and voa ( variable optical attenuator )

    基於以上背景，在天津市重點基金項目? ?智能型光纖放大器和光源的研究、天津市重點基金項目? ? （ c + l ）超寬帶摻雜光纖放大器和南開-達爾泰（天津）項目? ?開發增益平坦的摻鉺光纖放大器的支持下，本論文主要圍繞新型gc - edfa 、 edfa性能的優化、增益控制用光源、多波長光纖激光器以及可調光衰減器等課題進行了理論和實驗研究。
  12. Meanwhile, with the development of wdm / dwdm communication systems, more and more attention is paid on the edfas with broader bandwidth, good gain and noise feature, and gain clamping, etc. according to the tianjin natural science foundation project : intelligent fiber amplifiers and light sources, the tianjin natural science foundation project : ( c + l ) broadband fiber amplifier and the nankai - delta ( tianjin ) project : development of gain flattened erbium - doped fiber amplifiers, this dissertation is mainly focused on the study of novel gain - clamped edfa, light sources, multi - wavelength fiber laser and variable optical attenuator for gain - clamped usage, gain and noise improvement of edfa, and broadband edfa

    Wdm / dwdm通信系統的發展又需要edfa具有更大的帶寬、優良的增益和噪聲特性和增益控制等功能。基於上面的情況，並結合天津市重點基金項目? ?智能光纖放大器光源的研究、天津市重點基金項目? ? （ c + l ）超寬帶摻雜光纖放大器和南開-達爾泰（天津）項目? ?開發增益平坦的摻鉺光纖放大器等課題，論文主要圍繞新型增益控制edfa 、增益控制用光源、多波長激光器及可調光衰減器、 edfa性能優化和超寬帶edfa等方面進行了理論和實驗研究。
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