PROPERTIES OF QUASI PHASE-ONLY MATCHED SPATIAL FILTERS

被引：2
|
作者：
DEMOLI, N
机构：
来源：
OPTICAL ENGINEERING | 1992年 / 31卷 / 02期
关键词：
OPTICAL PATTERN RECOGNITION; MATCHED SPATIAL FILTERS; MATCHED FILTERING; CORRELATION; PHASE-ONLY FILTERS;
D O I：
10.1117/12.56075
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new type of matched spatial filter referred to as the quasi phase-only filter (QPOF) has been recently introduced as an optical solution for the phase-only filtering concept. The high-efficiency attribute has been found to link the QPOFs and phase-only filters (POFs). Using computer simulation experiments, the properties of QPOFs are discussed in terms of a signal-to-noise ratio, a peak-to-sidelobe ratio, ability to discriminate, and also the general behavior of the output correlation signals.
引用
收藏
页码：275 / 279
页数：5
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