Neutron measurement apparatus, neutron calculation apparatus, and neutron measurement method
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United States of America Patent
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Jul 11, 2017
Grant Date -
Jan 19, 2017
app pub date -
Jul 13, 2016
filing date -
Jul 16, 2015
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Abstract
According to an embodiment, a neutron measurement apparatus has: a neutron detector; a gamma ray detector; a neutron detector signal processing unit which performs Fourier transform on the signals received for a prescribed period, generates neutron detector signal frequency data in a frequency domain, calculates the neutron-detection signal power spectrum and stores it; a gamma-ray detector signal processing unit which performs Fourier transform on the signals received for a prescribed period, generates gamma ray detector signal frequency data in a frequency domain, calculates gamma ray detector signal power spectrum and stores it; and a neutron calculation unit which generates a neutron signal by removing a part contributed by the gamma ray detector signal power spectrum from the neutron detector signal power spectrum.
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