利用直接数字合成(DDS)技术完成对数据的调制。

And while programmed on DSP, we modulated data by the way of Direct Digital Synthesizer (DDS).

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介绍了利用直接数字合成技术产生频率扫描信号的新方法。

A novel method of direct digital synthesizing frequency sweep signal is presented.

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此方法利用直接数字合成技术完成对方波的频率和振幅的调整。

Direct digital synthesis is used for modulating the frequency and amplitude of the square wave.

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