迈向理想的数据采集通道

6th IEEE Conference Record., Instrumentation and Measurement Technology Conference Pub Date : 1989-04-25 DOI:10.1109/IMTC.1989.36869

R. Pintelon, Y. Rolain, M. Bossche, J. Schoukens

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引用次数: 49

摘要

提出了一种利用数字无限脉冲响应滤波器对数据采集通道传递函数进行实时补偿的方法。提出了测量的理论，描述了实验装置，并给出了估计结果。实时实验表明，在振幅平坦度和相位线性度的长期误差+或0.01 dB和0.1度内进行校正是可能的。

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Towards an ideal data acquisition channel

A method is presented for compensating in real-time for the transfer function of a data acquisition channel by means of a digital IIR (infinite impulse response) filter. The theory behind the measurement is developed, the experimental setup is described, and the estimation results are presented. Real-time experiments have shown that correction within a long-term error of +or-0.01 dB on the flatness of the amplitude and 0.1 degrees on the linearity of the phase is possible.<>

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6th IEEE Conference Record., Instrumentation and Measurement Technology Conference

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