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- 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。
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- The Design and Simulation of Electric Vehicle Drive System with High Frequency AC Pulse Density Modulation 电动汽车高频交流脉冲密度驱动系统的设计与仿真
- 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。
- The excitement quickened my pulse. 激动使我的心跳加快。
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- He knew the pulse of the people. 他了解人民的意向。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- Pul is a short form for pulmonary. 应该是肺部气体栓塞吧!
- Anomalous Pul mo nary Venous Drainage=? +肺静脉畸形引流=？
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- The music's throbbing pulse was giving me a headache. 那乐曲的强烈节拍令我头痛。
- The density goes down exponentially with height. 分子密度随着高度的上升而指数衰减。
- His pulse was at as high as a hundred. 他的脉搏高达每分钟一百次。
- The population density is evened out. 种群密度亦趋于均匀化。
