The LED driver includes a clock supply to periodically output a modulation period.
此LED驱动器包括可周期性地输出调变周期的时脉源。
A driver output is provided to output the PWM duty pulse and the detection pulse to the LED within the modulation period.
所提供的驱动输出可在调变周期期间将脉宽调变工作脉冲以及侦测脉冲输出至led。
The LED driver also includes a detection controller to receive detection data indicating whether the LED is to be detected during the modulation period.
LED驱动器也包括侦测控制器，用以接收指示在调变周期期间LED是否被侦测的侦测资料。
Test results show that the continuous control method during over-voltage modulation period features simplicity, high efficiency and excellent control effect.
试验结果表明，过调制区连续控制方法简单、高效、控制效果良好。
Further increasing modulation period leads to the emerge of incoherent interface and the destroy of alternating stress field, accompanied by the decreased mechanical properties.
进一步增加调制周期，两调制层之间产生非共格界面，破坏了薄膜中的交变应力场，薄膜的硬度和弹性模量也随之降低。
The display period of periodic pseudo-pattern in a virtual 2-D plane is dependent on the pulse number in a modulation period and the display plane width, which is proved in this paper in detail.
分析了周期性对称调制伪模式的显示周期与平面宽度和调制周期内的调制脉冲数之间的关系。
During a modulation period, several dead voltage vectors were synthesized. Using the control software, the reference voltage space vector could be corrected. Thus the dead-time effect was eliminated.
在一个调制周期内，可预先求出几个死区电压矢量的合成矢量，用控制软件的方法实现对参考空间电压矢量的校正，从而消除死区效应。
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 discrepancy between the actual output voltage and expected output voltage of the matrix converter is calculated and added to the switch modulation matrix in the next sampling period as feedback.
该方法将实际输出电压和期望输出电压的比较偏差作为负反馈加到下一个采样周期的开关调制函数矩阵中。
The discrepancy between the actual output voltage and expected output voltage of the matrix converter is calculated and added to the switch modulation matrix in the next sampling period as feedback.
该方法将实际输出电压和期望输出电压的比较偏差作为负反馈加到下一个采样周期的开关调制函数矩阵中。
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