Siemens MULTI-ECHO EPI 4A21 - User Manual
Siemens MULTI-ECHO EPI 4A21 – User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – Table of Contents
- Page 3 – Basic principles; RF; Figure 1
- Page 4 – Figure 2; Processing options
- Page 5 – Software Installation Procedure
- Page 7 – Sequences and Protocols; Number of echoes
- Page 9 – t-test only works properly when motion correction is selected; Remarks on reconstruction performance; Do not move the patient table to the home position
Works-in-Progress package
Version 2.0
For the
SIEMENS Magnetom under VA21B
Installation and User’s Guide
NUMARIS/4A21
April 4th, 2003
Section of Medical Physics, University Hospital Freiburg, Germany
Contact:
Oliver Speck PhD, Hugstetterstr. 55, D 79106 Freiburg,
email:
, phone: +49 761 2703832
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Summary
Multi-Echo EPI Page 2 of 9 Numaris/4 VA21B Table of Contents 1 Basic principles ................................................................................................. 3 1.1 Principle of Multi-Echo EPI ........................................................................... 3 1.2 Image ...
Multi-Echo EPI Page 3 of 9 Numaris/4 VA21B 1 Basic principles 1.1 Principle of Multi-Echo EPI The basic timing scheme of Multi-Echo EPI is shown in Figure 1. It is based on the original EPI sequence proposed by Mansfield (1). After a single RF-excitation, n complete EPI images are acquired in a sing...
Multi-Echo EPI Page 4 of 9 Numaris/4 VA21B 1.2 Image contrast of Multi-Echo EPI The signal intensity of the single echo images of the Multi-Echo EPI sequence is simply given by: *) 2 / exp( 0 T TE S S − = where S0 is the signal intensity at echo time 0, which corresponds to the proton density for lo...