Sentence examples for radiofrequency pulse from inspiring English sources

The method uses rotational excitation of zero-quantum coherence, assisted by radiofrequency pulse cycles.

Firstly, the volume of interest is saturated with a 180° radiofrequency pulse, inverting signal from background tissue and venous blood.

Song, AW, Wolff, SD, Balaban, RS, and Jezzard, P. "The effect of off-resonance radiofrequency pulse saturation on fMRI contrast". NMR in Biomedicine 10, no.

With a 3D sequence, a radiofrequency pulse excites a thick volume of tissue rather than a thin 2D section, with increased spatial resolution.

The imaging set acquired with an MT pulse turn on employs a radiofrequency pulse train (N = 50) of bandwidth = 550 Hz, length = 5 ms, power = 5.5 μT and offset = 1,500 Hz.

Hence, the principle of CEST imaging is simple: Given a chemical species of interest, capable of exchanging its 1H protons with those of water, a radiofrequency pulse is applied at (one of) its resonant frequency(ies) in order to reach a saturation state.

Water suppression was performed by chemical shift selective sequence (CHESS) consisting of three 24-ms hermite radiofrequency pulses.

Tailored radiofrequency pulses exploiting parallel transmission have been shown to mitigate these phenomena.

The first method nulls the GM at all the locations of the refocusing radiofrequency pulses so that the Carr-Purcell Meiboom-Gill condition is always maintained.

In the first, the individual 13C sites are excited by selective radiofrequency pulses acting on double-quantum coherence, and encoded according to the rows of a Hadamard matrix.

We present a formalism for the analysis of sensitivity of nuclear magnetic resonance pulse sequences to variations of pulse sequence parameters, such as radiofrequency pulses, gradient pulses or evolution delays.