Abstract
In simple binary detection, cross correlation gives the best possible output signal-to-noise ratio only if the background noise is white. But, because of the ease of implementation, optical cross correlators are often used even in nonwhite-noise situations. General expressions and tight bounds are derived to quantify the loss in signal-to-noise ratio when a cross correlator is used instead of the truly optimal filter. Such a quantification should enable the designer of any optical detection scheme to determine whether the extra effort involved in using the truly optimal filters is worth the signal-to-noise ratio improvements.
© 1984 Optical Society of America
Full Article |
PDF Article
More Like This
Cited By
You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription
Figures (4)
You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription
Tables (1)
You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription
Equations (36)
You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription