Abstract
In this paper, two magnetic resonance imaging (MRI) fast imaging methods using a radiofrequency (RF) receiver coil array, named Spatial Local Fourier Encoding (SLFE) and Spatial RF Encoding (SRFE), are presented. The idea of an RF coil array and parallel acquisition is implanted from radar. This technique can accelerate MR imaging greatly, yet artifact is also provided. SLFE is an effective reconstruction method to reduce the localized artifact. Through coil design, the RF coil array can be applied for spatial encoding. Using SRFE, an image is acquired in a snapshot with a high signal-to-noise ratio (SNR) and the costly gradient system is saved. Mutual induction and the aliasing effect of adjacent coils are critical to the signal. The ideas of inverse source problem and wavelet transform (WT) can be introduced to eliminate them. Simulation result of was given by MATLAB.
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