Elimination of Rh SPND Detector Signal Noise in Low-Level Power
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摘要: 根据铑自给能探测器频域特性,利用数字信号处理的技术中无限脉冲响应(IIR)数字滤波器设计方法,设计了一种数字滤波器对铑自给能探测器输出电流进行去噪处理,提高其在低功率水平输出电流的信噪比,保证延时消除算法的准确性。Abstract: According to the frequency domain of Rh SPND, this paper designs an IIR digital filter method for eliminating the noise of Rh SPND. This method improves the signal-to-noise ratio of the Rh SPND output signal and advances the lower limit of the in-core measurement system.
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Key words:
- SPND /
- Low-power /
- Time-delay elimination
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