2000
DOI: 10.1080/18811248.2000.9714866
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Memorial-Index-Based Inverse Kinetics Method for Continuous Measurement of Reactivity and Source Strength

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Cited by 15 publications
(5 citation statements)
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“…where P j denotes the measured power signal and N the number of samples in a time step T. Assuming that the random noise has a Gaussian distribution with a relative standard deviation around the average value of the nuclear power, 6) we calculated the reactivity for different values of noise degree, for different time steps. To overcome the fact that the derivatives present problems for different forms of the nuclear power in the presence of noises, we used the standard least-squares method 7) to adjust the values of the nuclear power for an exponential form PðtÞ ¼ Ce At , being C and A constants adjusted by the least-squares method.…”
Section: Resultsmentioning
confidence: 99%
“…where P j denotes the measured power signal and N the number of samples in a time step T. Assuming that the random noise has a Gaussian distribution with a relative standard deviation around the average value of the nuclear power, 6) we calculated the reactivity for different values of noise degree, for different time steps. To overcome the fact that the derivatives present problems for different forms of the nuclear power in the presence of noises, we used the standard least-squares method 7) to adjust the values of the nuclear power for an exponential form PðtÞ ¼ Ce At , being C and A constants adjusted by the least-squares method.…”
Section: Resultsmentioning
confidence: 99%
“…where P is the average value of an arbitrary deterministic signal,  is a Gaussian noise,  is the standard deviation and r P will be the new signal containing fluctuations. To reduce the fluctuations in the calculation of reactivity, a low-pass filter with first-order delay is considered here (Tamura, 2003;Kitano et al, 2000), which is given by the expression:…”
Section: N R P R H N P H P N Pnmentioning
confidence: 99%
“…The second filter is used for lowfrequency noise; this is known as a first-order delay low-pass filter. These filters are expressed as [15],…”
Section: Theoretical Considerationsmentioning
confidence: 99%