脉频调制的英文

• pfm pulse frequency modulation

• "脉"英文翻译    affectionately; amorously; l ...
• "频"英文翻译    frequent
• "调制"英文翻译    mingle; toss; lard; modulate ...
• "摆频调制" 英文翻译 :    wobble modulation
• "低频调制" 英文翻译 :    low frequency modulation; low-frequency modulation
• "低载频调制" 英文翻译 :    low carrier modulation
• "调频调制" 英文翻译 :    frequency modulation
• "调频调制,调频" 英文翻译 :    frequency modulation
• "调频调制盘" 英文翻译 :    fm reticle; frequency modulation reticle
• "分频调制" 英文翻译 :    frequencydivision modulation
• "高频调制" 英文翻译 :    high-frequency modulation
• "高频调制器" 英文翻译 :    high-frequency modulator
• "光频调制" 英文翻译 :    ofm optical frequency modulation
• "交频调制" 英文翻译 :    psm pitch shift modulation
• "扩频调制" 英文翻译 :    spread spectrum modulation ssm
• "射频调制器" 英文翻译 :    radio frequency modulator; radio-frequency modulator; rf modulator
• "声频调制" 英文翻译 :    audio modulation; buzzer modulation
• "时频调制" 英文翻译 :    time frequency modulation; time-frequency modulation
• "视频调制" 英文翻译 :    video modulation
• "视频调制器" 英文翻译 :    video modulator
• "双音频调制" 英文翻译 :    two-tone modulation
• "像频调制" 英文翻译 :    image modulation
• "移频调制" 英文翻译 :    frequency shift modulation; shift frequency modulation; shift-frequency modulation
• "移频调制器" 英文翻译 :    frequency-shift modulator
• "音频调制" 英文翻译 :    af modulation; tm; tone modulation; voice control; voice modulation

• Up to now , the normal control mode for smart power integrated circuit ( spic ) has pwm and pfm . pwm bases on cfvw ( constant frequency variable width ) control pulse , whereas , pfm bases on cwvf ( constant width variable frequency ) control pulse
  迄今,智能功率集成电路( spic )习用控制模式为恒频变宽( cfvw )的脉宽调制模式( pwm )和恒宽变频( cwvf )的脉频调制模式( pfm ) 。
• At present , there are three kinds of modes of modulation including pulse width modulation ( pwm ) , pulse frequency modulation ( pfm ) and the modulation of combination of pwm and pfm . lots of products using above modulations are designed in many famous companies
  目前,在功率变换系统中常见的有三种调制模式:脉宽调制模式( pwm , pulsewidthmodulation ) 、脉频调制模式( pfm , pulsefrequencymodulation )和二者可以相切换的pwm / pfm模式。
• Buck zvs - mr - tl converter is taken as the examples to illustrate the operation of the zvs - mr - tl converters . the operation of buck zvs - mr - tl converter is analyzed as well as parameter design , realization of pulse - frequency - modulation ( pfm ) interleaved control and comparison between zvs - mr converters and zvs - mr - tl converters . a 1000w prototype converter is built in the lab to verify the effectiveness of the proposed converter
  本文以buck零电压开关多谐振三电平变换器为例，详细分析了它的工作原理、参数设计、脉频调制交错控制的实现、与常规的多谐振变换器的对比，并以一个1000w的原理样机对该变换器进行实验验证。
• （ 2 ） the major circuit has been established , composed of rectifier 、 buck - chopper 、 push - pull inverter and matching network , which realizes high - power supersonic ac output . to achieve maximal output power , the pulse frequency modulation ( pfm ) has been applied to auto - adjustment of output frequency , which corresponds to the load ' s resonant frequency
  （ 2 ）建立了超声电源主电路，其中包括：整流、直流斩波、推挽逆变器和匹配网络等部分，实现了大功率超声频交流电的输出，输出频率的脉频调制（ pfm ）和输出功率的脉宽调制（ pwm ） 。