Journal ArticleDOI
White noise nonlinear system analysis in nuclear magnetic resonance spectroscopy
TLDR
In this paper, the authors derived the Wiener kernels of the Volterra series with time ordered, triangular kernels, which describe coherence decays of particular density matrix elements.About:
This article is published in Progress in Nuclear Magnetic Resonance Spectroscopy.The article was published on 1987-01-01. It has received 47 citations till now. The article focuses on the topics: Wiener series & Volterra series.read more
Citations
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Journal ArticleDOI
Two-dimensional Hadamard spectroscopy.
Ēriks Kupče,Ray Freeman +1 more
TL;DR: Direct frequency-domain excitation of NMR with an array of different radiofrequencies has been used to speed up two-dimensional NMR experiments by a large factor and is presented in the form of a high-resolution contour diagram similar to the familiar two- dimensional spectra obtained by Fourier transform methods.
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Three-dimensional Fourier spectroscopy. Application to high-resolution NMR
TL;DR: In this article, the principles of 3D Fourier spectroscopy, applied to high-resolution NMR, are developed and the main emphasis is placed on the design of experimental techniques, the appearance of the 3D spectra in terms of multiplet structures and peak shapes, information content, and assignment procedures.
Journal ArticleDOI
NMR at low magnetic fields
TL;DR: Low-field NMR has been used for relaxation analysis, imaging, and spectroscopy as discussed by the authors, and it has been shown to be essential for shifting NMR analysis from a specialist's tool to a convenience tool.
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Fluorescence correlation spectroscopy with high-order and dual-color correlation to probe nonequilibrium steady states.
Hong Qian,Elliot L. Elson +1 more
TL;DR: It is shown that, for equilibrium systems with time reversibility, the correlation functions possess certain symmetries, the violation of which is a measure of steady-state fluxes in reaction cycles.
Journal ArticleDOI
Perspectives of shaped pulses for EPR spectroscopy.
TL;DR: Current uses of shaped pulses, generated by an arbitrary waveform generator, in the field of EPR spectroscopy are described and a procedure to correct for experimental imperfections is described.
References
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Journal ArticleDOI
Resonance Absorption by Nuclear Magnetic Moments in a Solid
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Relaxation Effects in Nuclear Magnetic Resonance Absorption
TL;DR: In this article, the authors studied the effect of the thermal motion of the magnetic nuclei upon the spin-spin interaction in a rigid lattice and the line width of the absorption line.
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Investigation of exchange processes by two‐dimensional NMR spectroscopy
TL;DR: In this paper, a general technique for the investigation of exchange processes in molecular systems is proposed and demonstrated and applications include the study of chemical exchange, of magnetization transfer by inter-and intramolecular relaxation in liquids, and of spin diffusion and cross-relaxation processes in solids.
Journal ArticleDOI
Two‐dimensional spectroscopy. Application to nuclear magnetic resonance
TL;DR: In this article, the possibilities for the extension of spectroscopy to two dimensions are discussed, including the elucidation of energy level diagrams, the observation of multiple quantum transitions, and the recording of high-resolution spectra in inhomogenous magnetic fields.
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Application of Fourier Transform Spectroscopy to Magnetic Resonance
Richard R. Ernst,W. A. Anderson +1 more
TL;DR: In this paper, the application of a new Fourier transform technique to magnetic resonance spectroscopy is explored, which consists of applying a sequence of short rf pulses to the sample to be investigated and Fourier-transforming the response of the system.