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

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.

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The measuring principle of frequency sweep meter is based upon frequency - sweep measuring method.

扫频测量法是目前较为先进的一种测量方法.

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Frequency sweep signal sequence is generated from waveform memories added by counter and phase accumulator.

利用计数器和相位累加器实现对波形存储器寻址,从而产生频率扫描信号序列.

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