pulse ratio 脉冲比
paired-pulse ratio 双脉冲比值 ; 配对脉冲比率 ; 脉冲比 ; 观察双脉冲比值
pulse ratio modulation 脉冲比调制
a pulse-ratio 脉冲比
pulse compression ratio [电子] 脉冲压缩比
pulse-respiration ratio 脉搏呼吸比
pulse-temperature ratio 脉搏体温比率
pulse duration ratio 脉宽周期比 ; 脉冲占空系数
Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
The results show that the deposit rate, composition and properties of coating change with the variation of duty ratio and pulse frequency.
结果表明，镀层的沉积速率、镀层成分及镀层的性能都随脉冲频率和占空比的变化而变化；
By synthesizing twice MTD results, actual velocity of the target is gained. Relation between pulse duty ratio and velocity measurement error is deduced.
综合两次MTD结果得到了目标的实际速度，并推导出了脉冲占空比和速度测量误差的关系式。
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