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- Average pulse density 脉冲平均密度
- Whether the nonuniform pulse density is immaterial, of course, depends on the specific application. 脉冲密度的不均匀性是否有害,应由具体应用决定。
- The suggested system consists of high frequency(HF) resonant inverter,HF transformer and HFAC pulse density modulation (PDM) converter. 该系统由高频谐振逆变器、高频变压器和高频交流脉冲密度调制变频器组成。
- This controller integrates pulse width modulation(PWM) and pulse density modulation(PDM) together,and can easily change between the two modulations. 该设计集成了脉冲宽度调制(PWM)和脉冲密度调制(PDM)两种调制方式,并可以在两者间切换。
- A novel topologic structure of high frequency AC pulse density modulation converter is proposed,and its operation principle,control scheme and design are described in detail. 提出了一种新颖的高频交流脉冲密度调制变频器的拓扑结构,并详细阐述了工作原理、控制方案和设计方法。
- The selection rule of the hysteresis width has been developed in order to make the THD and RMS value of the output voltage to be the best with high efficiency, according to the principle of pulse density modulation. 根据脉冲密度调制技术的原理导出了使输出电压失真度最小、有效值最大,系统效率也较高的环宽取值公式。
- Average pulse repeating interval 平均重复周期
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- His income is well below the average. 他的收入大大低于平均水平。
- We fail one student per year on average. 我们平均每年有一个学生不及格。
- Meals average out at 5 per head. 膳食平均每人5英镑。
- On average we receive five letters each day. 我们平均每天收到五封信。
- Each household sold, on the average, two pigs. 平均每户交售了两口生猪。
- Our reps make on average six calls day. 我们的销售代表平均每天打六次电话。
- His work at school is below the average. 他的学业成绩在一般水平以下。
- The readings we took were well above average. 我们记录的读数远远高於平均数。
- He knew the pulse of the nation. 他了解国民的心态。
- The doctor took my temperature and my pulse. 医生量了量我的体温和脉搏。