Results 291 to 300 of about 5,371,151 (345)

Calibration approaches for fluorescence lifetime applications using time-domain measurements. [PDF]

Methods Microsc
Margineanu A.
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Detection of Ice and De-Icing/Anti-Icing Fluids on Aircraft Surfaces Using Time Domain Reflectometry

, 2014
Evan L. Anderson
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Time-domain images

Optics Letters, 1995
We demonstrate that, using a hologram, we can convert a spatial x-y image into an x-t image, where one spatial dimension is now transformed into the time domain. In particular, we generate the temporal equivalent of our corporate logo, where every pixel of the image is now represented by a short optical pulse.
M C, Nuss, R L, Morrison
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Optical time domain reflectometer

Applied Optics, 1977
By using an optical time domain reflectometer a new measurement technique which allows displaying the length dependence of the fiber attenuation by analyzing backscattered light has been developed. This paper compares the backscatter and insertion-loss techniques.
M K, Barnoski, M D, Rourke, S M, Jensen, R T, Melville   +3 more
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Subpicosecond-time-domain reflectometry

Optics Letters, 1981
We demonstrate a new method of optical time-domain reflectometry using subpicosecond pulses and nonlinear detection. The high-spatial-resolution ( approximately 15-microm) temporal resolution and sensitivity put new limits on the size and nature of defects that can be detected, localized, and analyzed in optical fibers.
J J, Fontaine, J C, Diels, C Y, Wang, H, Sallaba   +3 more
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Integrating time signals in frequency domain – Comparison with time domain integration

Measurement, 2014
Abstract Integrating sampled time signals is a common task in signal processing. In this paper we investigate the performance of two straightforward integration methods: (i) integration in the frequency domain by a discrete Fourier transform (DFT), division by j ω followed by inverse DFT (IDFT) back to the time domain, and (ii) a method ...
Brandt, Anders, Brincker, Rune
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Nonlinear time-domain modeling by multiresolution time domain (MRTD)

IEEE Transactions on Microwave Theory and Techniques, 1997
A multiresolution time-domain (MRTD) scheme based on the expansion in scaling functions is applied to the modeling of nonlinear pulse propagation. Appropriate absorbers for the MRTD scheme are presented and their performance is discussed. The differences using pulse functions and nonlocalized basis functions like the Battle-Lemarie scaling functions ...
M. Krumpholz, H.G. Winful, L.P.B. Katehi
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Time-domain slicing optical frequency domain reflectometry

Optics Letters
A time-domain slicing (TDS) optical frequency domain reflectometry is proposed for large strain sensing with better spatial resolution. Compared with the conventional frequency domain slicing (FDS) method, the TDS with a Burg spectrum estimation is capable of enhancing the similarity of a local spectrum under large strain and mostly suppressing the ...
Qing, Bai, Zhen, Shen, Luxuan, Wu, Changshuo, Liang, Yu, Wang, Xin, Liu, Baoquan, Jin   +6 more
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Time-Domain Analysis

2017
Heart rate variability can be analyzed by several methods, being time-domain methods the simplest measures that can be obtained from RR intervals series. Numerical indices summarizing the variability of the series are calculated from the RR intervals series. These measures are easily implemented and have low computational cost.
Constantino Antonio García Martínez, Abraham Otero Quintana, Xosé A. Vila, María José Lado Touriño, Leandro Rodríguez-Liñares, Jesús María Rodríguez Presedo, Arturo José Méndez Penín   +6 more
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