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radiofrequency pulse

    0.01 sec.
radiofrequency pulse,
a short burst of electromagnetic radiation in the radiofrequency range, used in combination with magnetic gradients to generate a magnetic resonance image.


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In order not to exceed SAR limits at 3T, MRI pulse sequences are often modified to reduce power deposition either by decreasing the amplitude of the radiofrequency pulses and compensating by extending their duration (thus keeping the same flip angle) or by simply decreasing the flip angle of the radiofrequency pulses.
Breast MRI at 3T by Rakow-Penner, Rebecca; Hargreaves, Brian; Glover, Gary; Daniel, Bruce / Applied Radiology
The new quantum computer contains five qubits(1) -- five fluorine atoms within a molecule specially designed so the fluorine nuclei's "spins" can interact with each other as qubits, be programmed by radiofrequency pulses and be detected by nuclear magnetic resonance instruments similar to those commonly used in hospitals and chemistry labs.
IBM-led Team Demonstrates Most-advanced Quantum Computer; Confirms ... by Business Wire
 
 
 
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