The fundamental limit for NMR imaging is set by an intrinsic signal-to-noise ratio (SNR) for a particular combination of rf antenna and imaging subjects. The intrinsic SNR is the signal from a small volume of material in the sample competing with electrical noise from thermally generated, random noi
Signal integration and the signal-to-noise ratio in pulsed NMR relaxation measurements
โ Scribed by Gerald B Matson
- Publisher
- Elsevier Science
- Year
- 1977
- Weight
- 241 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0022-2364
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
A general theory of signal-to-noise ratio (SNR) in simultaneous acquisition of spatial harmonics (SMASH) imaging is presented, and the predictions of the theory are verified in imaging experiments and in numerical simulations. In a SMASH image, multiple lines of k-space are generated simultaneously
The high frequency k-space data in magnetic resonance imaging clinical field strengths of 1.5 T, 3D proton MRI of large is often poorly reproduced due to the finite dynamic range of an volumes can have k-space signal-to-noise ratios which exanalog-to-digital converter. The magnitude of this digitiza
A method is proposed to estimate signal-to-noise ratio (SNR) values in phased array magnitude images, based on a region-of-interest (ROI) analysis. It is shown that the SNR can be found by correcting the measured signal intensity for the noise bias effects and by evaluating the noise variance as the