The system is capable of sampling, conversion and various calculations in both time and frequency domains.

可完成数据的采集、转换，并进行时间域和频率域的多种运算。

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DDS (direct digital synthesis) is a sort of frequency synthesis technique, which has advantages such as short frequency conversion time, high resolution in frequencies, programmability and so on.

直接数字频率合成(DDS)技术是目前广为应用的一项频率合成技术，它具有频率转换时间短、频率分辨率高、可编程等特点。

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By adjusting the driving pulse increment, the bright dark conversion to maximize the number of dark and light switching frequency optimization goal of homogenization in per unit time were achieved.

通过调整驱动脉冲增量，实现了单位时间亮暗转换次数最大化和亮暗转换频率均匀化的优化目标。

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