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基于AD9858的宽带雷达信号源设计与实现

作者：时间：2013-04-24 来源：网络

基带信号由倍频链上变频和倍频输出激励信号，其时宽亦为4μs，重频为2 kHz。宽带示波器测试激励信号如图5，图6所示，激励信号的时宽为4μs，脉冲串周期为500μs，达到设计要求。由于倍频链中包括带通滤波器使得激励信号相对于基带信号在幅度上有所改善。

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关键词： 宽带雷达信号源 数字频率合成 线性调频信号 基带信号源 倍频链 AD9858

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