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The Application of Digital Quadrature Demodulation in Wireless SAW Sensor Systems
Author(s): 
Pages: 21-22
Year: Issue:  2
Journal: ELECTRONIC MEASUREMENT TECHNOLOGY

Keyword:  声表面波无线传感器中频采样正交检波;
Abstract: 文中提出用数字式正交检波技术来测量相位的方法.通过对声表面波的回波窄带信号进行仿真计算和误差分析,表明采用的方法性能良好,与已有硬件实现的正交检波器相比,测量精度大大提高.并分析数字正交检波方法的实现中,ADC对结果的影响.
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