ripple noise 中文意思是什麼

ripple noise 解釋
波紋電壓噪聲
  • ripple : n 1 漣漪，皺波，漣波；漣波聲，潺潺聲；細小急流；（頭發等的）波浪形，鬈曲；（沙上的）波痕 （＝ripp...
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  1. Aiming at permanent brushless dc motor in mini - bev ( battery electric vehicle ) with torque ripple and violent noise during low speed running, the fuzzy control method is combined with slide mode control method to suppress the influence due to un - modeling parameters, and to ensure the robustness in the process of reaching slide mode plane

    摘要針對微型電動車用永磁無別電動機轉矩脈動大、低速運行時噪聲明顯等主要問題，採用模糊控制和滑模控制相結合的方法，克服了未建模參數的影響，保證了滑模到達階段的魯棒性，同時抑制了轉矩脈動。
  2. Compared with existing modulating method, torque ripple is greatly reduced by uniform modulating in one monocycle, increasing current slope of upcoming conducting phase instantaneously suppresses the torque ripple by 30 ’ during low speed with obviously lower initiating noise

    採用單周期內各功率管均衡調制的方式，不僅消除了反向電流，而且與其他調制方式相比，可使轉矩脈動較小。
  3. Szkx series possesses distinguishing features of small, light weight, well respondence, good overloading capacity, low noise, small vibration, wide speed range and small ripple at low speed

    本電動機具有體積小、重量輕、動作響應快、過載能力大、噪音振動小、調速范圍寬、低速波動小等特點。
  4. Chaotic switching modulations introduce low - frequency harmonic spectrum of output voltage as random switching modulation. in some case, low - frequency noise ripple offset the effect chaotic switching modulations reduce the level of emi. it indicates that the ccfmfd integrates the advantages of spreading harmonic power at the multiples of the switching frequency and not introducing significant noise ripple at low - frequency range. among all chaotic switching modulations, the ccfmfd is considered as the best choice in applying to dc / dc converter

    與隨機調制模式相同，混沌開關調制模式也引入輸出低頻噪聲紋波，有些情況下低頻噪聲紋波可能抵消混沌開關調制降低emi水平的效果。分析表明： ccfmfd模式具有較好的降低emi水平和引入較小低頻紋波的優點，可以作為混沌調制模式較佳的選擇。
  5. Ripple and noise 20 hz to 20 mhz

    漣波與雜訊20 hz至20 mhz
  6. Ripple noise 20hz 20mhz

    漣波與雜訊20hz 20mhz
  7. Low ripple and noise

    低漣波與雜訊
  8. Ripple and noise

    漣波與雜訊
  9. However, psm also have some disadvantages, for example, the output voltage ripple is large at light load and the system maybe produce radio frequency noise

    但psm也具有不可避免的缺點:輕載時輸出電壓紋波較大，且易引入音頻噪聲。
  10. This dissertation put forward a method of eliminating noise and reconstituting broken wires signal and inquired the space - frequency range of the signal ripple resulted from tensile stress on the mfl signal curve

    提出了去除干擾重組斷絲信號的方法，分析了漏磁曲線上應力波紋的空間頻率分量。
  11. When examination, the power supply basic performance carries on the test in the power source output line plug place, the output ripple and the noise test must in the test point parallel 47u / 16v tantalum electric capacity and 0. 1 u f high frequency electric capacity

    檢驗時，電源基本性能均在電源輸出線插頭處進行測試，輸出紋波及噪聲測試需在測試點並聯47 / 16v鉭電容及0 . 1 f高頻電容。
  12. The methods and the experimental setups for measuring the gain and noise figure of an edfa are emphasized. we introduce how to measure the characteristics of each component of an edfa, especially the gain and absorption coefficient of an erbium doped fiber ( edf ). thirdly, four types of simple and novel l - band edfa structures with low noise, high gain and low gain ripple are proposed to satisfy the requirement of a dwdm system

    基於考慮自發輻射噪聲（ ase ）的giles模型，建浙江大學博士學位論文立了這種edfa的全光增益箱制理論模型;理論和實驗分析了四種可能的光路結構、泵浦波長、光纖光柵反射波長和反射率、泵浦功率以及摻餌光纖長度等參t對其箱制特性的影響。
  13. It can generate high - stable and linear current signal and utilize butterworth low pass filter to eliminate the noise and ripple in the signal. according to the different functions of different pins, this circuit can modulate and control the output power of the laser diode and modulate the laser signal, which makes this laser diode driver have more valuable application. in the last part of the paper, the feasibility of the theory is validated by experiment data

    其次，根據ic - wkn的內部電路和不同引腳的功能，設計了一套由d / a轉換器和單片機組成的信號調節電路，使之能夠輸出具有良好的穩定性和線性特性的電流調節信號，並選擇巴特沃茲低通濾波器來濾除信號中的紋波和干擾。
  14. These requirements or standard are : energy density, efficiency, ripple and noise, safety, emc and operating temperature range

    歸跟結底，這些要求集中於：體積重量效率紋波與噪音安全電磁兼容及溫度范圍這六個方面。
  15. Chaotic switching modulations generated from different chaos sequences introduce low - frequency output noise ripple : in the cpwm, cppm and ccfmvd, the output noise ripple introduced by henon map chaos sequences is smaller than chua ' s circuit chaos sequences ; in the ccfmfd, chua ' s circuit chaos sequences introduced smaller noise ripple. this clue to us that it is important to choose chaos sequences in applying chaotic modulation to dc / dc converters

    不同混沌調制信號對輸出紋波影響的分析結果表明： cppm 、 cpwm和ccfmvd模式下， henon映射混沌序列引入低頻噪聲紋波比蔡氏電路摘要混沌序列要小; ccfmfd模式下，蔡氏電路混沌序列引入的低頻紋波要小。這提示我們:在開關模式電源使用混沌調制控制時混沌序列的選擇也具有重要性。
  16. It is thus of importance to develop an l - band edfa. however, a conventional l - band edfa is relatively inefficient and has low gain and high noise figure since they are operated at the tail of the erbium gain band. therefore, it is very important to design and analyze a high performance l - band edfa with simultaneously high gain, low noise and low gain ripple for a dwdm system

    開發新的l - bandedfa是十分必要的，然而傳統的l - bandedfa由於工作在鉺光纖增益譜的尾部，其存在增益低、工作轉換效率低、噪聲大等缺點，因此，分析和設計符合dwdm系統發展要求的具有優良性能（高增益、低噪聲、動態增益均衡）的l - bandedfa是十分有意義的。
  17. Significant torque ripple, vibration and acoustic noise are the main drawbacks of the srm to achieve higher performance

    開關磁阻電動機的最重要的缺點就是轉矩脈動，它直接影響著驅動系統的輸出性能。
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