Every complex number a+bi can be expressed in polar coordinate form as Ae ip, where A is the amplitude and p is the phase of the complex number. The phase p can be computed by arctan (b/a). Phase is always in the range between zero and 2Ï€.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2009 Springer Science+Business Media, LLC
About this entry
Cite this entry
(2009). Phase. In: Li, S.Z., Jain, A. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-73003-5_1093
Download citation
DOI: https://doi.org/10.1007/978-0-387-73003-5_1093
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-73002-8
Online ISBN: 978-0-387-73003-5
eBook Packages: Computer ScienceReference Module Computer Science and Engineering