Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
2D selective 90° excitation pulses for an EP trajectory with various acceleration factors R= 2, 4, 6, respectively. a-c: The transverse magnetization produced by Small Tip Angle (STA) method. d-f: The transverse magnetization produced by Additive Angle (AA) method. g-i: The transverse magnetization produced by Perturbation Analysis (PTA) method.
