That is mixing the baseband signal ( linear frequency modulation signal and sinusoid signal) with two orthogonal local oscillated signal generated using direct digital synthetic technology to move the baseband signal to intermediate frequency band.

  • 同样运用直接数字合成技术产生基带信号&线性调频信号和正弦信号,与本地载波混频后,将其频谱搬移到中频,完成数字上变频。

  • 互联网摘选 2025-01-20 11:52:28

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