Calculation of x-ray wave fields in perfect crystals by applying Riemann's method to solve the Takagi-Taupin equations
The Takagi-Taupin equations are a set of partial differential equations that are fundamental in the dynamical theory of x-ray diffraction. We show how they can be manipulated to make them suitable for...
The Takagi-Taupin equations are a set of partial differential equations that are fundamental in the dynamical theory of x-ray diffraction. We show how they can be manipulated to make them suitable for...
Differential aging from acceleration: An explicit formula
We consider a clock paradox where an observer leaves an inertial frame, is accelerated, and after an arbitrary trip returns. We discuss a simple equation that gives an explicit relation in 1+1 dimensi...
We consider a clock paradox where an observer leaves an inertial frame, is accelerated, and after an arbitrary trip returns. We discuss a simple equation that gives an explicit relation in 1+1 dimensi...
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Padé–Laplace analysis of signal averaged voltage decays obtained from a simple circuit
American Journal of Physics -- September 2005 -- Volume 73, Issue 9, pp. 871-875
Issue Date: September 2005
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0002-9505 (print)
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The Padé–Laplace method is an interesting yet relatively unknown method for determining the exponential time constants in a decaying signal. We apply it to data from a simple electronic circuit specifically designed for investigations of signal averaging. Possible decays of the voltage include single, multi-exponential, and predominantly logarithmic. Students in our computer-interfacing course write a LABVIEW program that collects the data and performs the signal averaging. ©2005 American Association of Physics Teachers.
| History: | Received 30 December 2004; accepted 15 April 2005 |
| Permalink: | http://dx.doi.org/10.1119/1.1927551 |