脈沖寬度調制 的英文怎麼說

中文拼音 [màichōngkuāndùdiàozhì]
脈沖寬度調制 英文
duration time modulation
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 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...
  1. Flexible dimming control utilizes either an analog control signal or direct digital pwm control without external rc filtering. this also increases dimming accuracy at low brightness levels

    電路採用靈活的調光控制方式，既可輸入模擬控制信號，也可直接輸入數字脈沖寬度調制信號而不需要外置rc濾波器。
  2. The feedback of the output voltage is the major control loop. to achieve better frequency response and disturbance rejection of the input voltage, a input voltage feed - forward system is introduced in control loop. the duty - cycle of pwm applied at the gate of power mosfet is modulated by both input and output voltage

    該晶元採用的控制方式為電壓型pwm （脈沖寬度調制， pulsewidthmodulation ）控制方式，以輸出電壓反饋作為主要控制參量，同時為了提高晶元對輸入電壓擾動的響應速度，採用了輸入電壓前饋方法，將輸入電壓因素引入了反饋控制環中，通過對輸入輸出電壓的檢測，控制加在功率mos管柵極電壓上矩形脈沖的占空比，進而調節輸出電壓。
  3. It works at high frequency with a selectable pin outside ; the working frequency is fixed at 640k / 1. 2mhz. so far as the output signal of the single - chip ic is concerned, the maximum time proportion of its high level is 88 percent, but the minimum one is 10 percent

    該控制器為pwm脈沖寬度調制方式;電路正常工作溫度范圍為- 20oc 85oc ;工作開關頻率根據外圍電路輸出電壓需要為640k / 1 . 2mhz可選;輸出信號的最大占空比為90 % ，最小占空比為10 % ，晶元主要應用於lcd電壓電源管理設備。
  4. Most drive systems offer a choice between transistorized silicone - controlled rectifiers and pulse width modulation over the full range of amplified voltages

    大多數驅動系統提供兩個調節全程放大電壓的選擇：晶體管化的硅樹脂控制整流器和脈沖寬度調制器。
  5. 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

    在調制部分，利用九管單相時鐘d觸發器構成計數器，並由此組成了脈沖寬度調制電路，同時給出了在典型溫度下的模擬結果;在解調部分，介紹了低通濾波器從無源到有源的設計方法，設計了三階切比雪夫低通跨導電容濾波器，同樣給出了相應的模擬結果;最後，作為將脈沖寬度調制電路和濾波器作為整體電路，以脈沖調頻波為輸入進行了模擬，取得了令人滿意的結果。
  6. The circuit utilizes 1mhz current - mode pulse width modulation ( pwm ) control to allow small input and output capacitors and a small inductor, while reducing the circuit ’ s volume and minimizing the input supply ripple to 15mv

    該電路採用頻率為1mhz的電流反饋模式脈沖寬度調制模式，可使外部電路選用小的輸入、輸出電容以及小電感，減小了電路的體積，同時能將輸入電壓紋波減小到15mv 。
  7. However, it is difficult to make the product available because most of the academic institution focused on certain aspect only. the experts indicate that the ic designers should know more about the system though they don ’ t design the system directly. it points out a way for us ic designers when we are engaged in the research work

    本文提出的開關變換器，利用反饋原理將輸出電壓穩定在某一需要的值，根據負載的不同而採取兩種控制模式，即脈沖寬度調制（ pwm - pulsewidthmodulation ）模式和脈沖頻率調制（ pfm - pulsefrequencymodulation ）模式。
  8. The sinusoidal pulse width modulation variable - frequency speed - regulated system based on 80c196mc microcontroller

    單片機的正弦脈沖寬度調制變頻調速系統
  9. This paper presents a new capacitive accelerator readout circuit used pulse width modulated ( pwm ) in single chip

    本文的目的就是研究與設計單片微硅電容加速度傳感器讀出電路中頻變脈沖寬度調制模塊。
  10. Abstract : the experiment about ignition property of solid e nergetic materials was done by laser which was generated by big powerful laser i nstrument - nd : yag. the influence on the ignition property of difference enery, puls e width and different frequency of laser instrument and different webs of the pr opellant. was studied and analyzed which may be used to do further researches for ignition

    文摘:使用大功率nd : yag激光器產生的激光，對固體含能材料的激光點火性能進行了實驗研究，分析了不同能量、脈沖寬度、調制頻率及藥粒尺寸等因素對點火特性的影響，為激光點傳火系統的研製提供了實驗依據。
  11. The main circuit of the design in this article we used is fb zvs pwm dc / dc converter, full bridge zero voltage switching pulse width modulation dc / dc converter, which is a full bridge circuit composed of four power switches using resonance to implement zero voltage when turning - on or turning - off

    本文設計的通信電源充電模塊的主電路採用的是fbzvspwmdc dc變換器，即全橋零電壓開關脈沖寬度調制的直流變換器，它是由4個功率開關管組成的全橋電路，利用諧振使每個開關管在零電壓的條件下完成導通和關斷。
  12. Pwm pulse width modulation

    脈沖寬度調制
  13. The system had auto startup and stop function by software. the dsp based motor control system had lower current harmonic, more efficient use of supply voltage than spwm, less switch loss. on the other hand, this system make a lower noise for the pwm modulation. frequency is up to 20khz

    本系統實現了電機的軟啟動、軟關斷功能，電機電流的諧波失真較少，電壓利用率比常規的正弦波脈沖寬度調制（ spwm ）有了較大的提高，器件的開關損耗也得到了明顯的減少。
  14. This paper also introduces the following contents according to principle of field emission and human visual system ( hvs ) : the display principle of fed panel and pulse width modulation ( pwm ), the reason why pwm was used in fed system, driving method of pwm and two pwm methods used in present fed sample

    此外，論文從場致發射原理和人眼視覺特性出發，介紹了fed顯示屏的顯示原理和脈沖寬度調制原理（ pwm ） ，分析了fed採用pwm工作方式的原因， pwm工作方式實現彩色fed顯示的驅動原理，還有目前本實驗室fed樣機所採用的兩種pwm方案。
  15. Pdm pulse - duration modulation

    脈沖寬度調制
  16. The origin and evolvement of cuk converter are introduced and the voltage and current waveforms of every period are analyzed and presented. the state differential equations of ideal cuk converter are deduced and the simulation models of ideal cuk converter, ac power supply and pulse width modulator ( pwm ) are erected

    論文介紹了cuk型dc / dc變換器由來、演變；分析了各個環節、期間的電壓、電流的變化情況及波形；推導了理想cuk變換器的狀態方程；建立了cuk主電路以及相關交流電源、脈沖寬度調制器的simulink模擬模型。
  17. Technology of pulse width modulation in varying - velocity motor

    異步電機變頻調速中的脈沖寬度調制技術
  18. Pulse width modulation valtage - stabilized power supply for light sources of instruments

    儀用燈的脈沖寬度調制穩壓電源
  19. A new pwm circuit is presented in this paper, which is kept the pulse width constant but the pulse cycle adjusted with the modulated signal, so that the duty cycle is changed with the modulated signal

    脈沖寬度調制是利用脈沖的周期不變，改變脈沖的寬度從而使脈沖的占空比發生變化達到調制的目的。脈沖寬度調制在工業控制、開關電源等領域中有廣泛的應用。
  20. Pulse - width modulation

    脈沖寬度調制
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