DQE of imaging detectors in terms of spatial frequency

被引：10
|
作者：
Zanella, G
Zannoni, R
机构：
[1] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy
[2] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1999年 / 437卷 / 01期
关键词：
imaging detectors; detective quantum efficiency; spatial frequency domain;
D O I：
10.1016/S0168-9002(99)00655-5
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The most inclusive parameter describing the performance of an imaging detector may be considered detective quantum efficiency (DQE) expressed in function of the spatial frequencies. In this paper our effort is addressed to formulating a general and absolute expression of the DQE in the frequency domain, coherent with the condition DQE less than or equal to QE. The case of a flat-field input image and of integrating detectors is also considered. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：163 / 167
页数：5
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