Jpn. J. Appl. Phys. 25 (1986) pp. 1136-1137 |Next Article| |Table of Contents|
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Hasegawa's Three Point Method for Determining Transient Time Constants
School of Engineering and Applied Science, Princeton University
(Received February 24, 1986; accepted for publication April 26, 1986)
In many physical contexts it is important to estimate the time constant for a transient which is represented by a curve with exponential decay. The three point method for estimating such constants is studied here with the aim of understanding the influence of measurement error. The three point method is found to depend delicately on the choice of the middle (or design) point, to have a small positive bias, and to have a large standard error relative to the measurement errors.
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