کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5407632 | 1393224 | 2007 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The harmonic inversion of the field-swept fixed-frequency resonance spectrum
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: The harmonic inversion of the field-swept fixed-frequency resonance spectrum The harmonic inversion of the field-swept fixed-frequency resonance spectrum](/preview/png/5407632.png)
چکیده انگلیسی
When the spin Hamiltonian is a linear function of the magnetic field intensity the resonance fields can be determined, in principle, by an eigenfield equation. In this report, we show a new technical approach to the resonance field problem where the eigenfield equation leads to a dynamic equation or, more specifically, to a first order differential equation of a variable L(x), where x is associated with the magnetic field h. Such differential equation has the property that: its stationary solution is the eigenfield equation and the spectral information contained in L(x) is directly related to the resonance spectrum. Such procedure, known as the “harmonic inversion problem” (HIP), can be solved by the “filter diagonalization method” (FDM) providing sufficient precision and resolution for the spectral analysis of the dynamic signals. Some examples are shown where the resonance fields are precisely determined in a single procedure, without the need to solve eigenvalue equations.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetic Resonance - Volume 184, Issue 1, January 2007, Pages 176-183
Journal: Journal of Magnetic Resonance - Volume 184, Issue 1, January 2007, Pages 176-183
نویسندگان
Claudio José Magon, José Fernando Lima, Ronny Rocha Ribeiro, Mateus José Martins,