SIGNAL TO NOISE RATIO IN SPECKLE INTERFEROMETRY IN THE PHOTON-COUNTING AUTOCORRELATION MODE AT LOW LIGHT LEVELS

被引：5

作者：

WALKER, JG

机构：

[1] Blackett Laboratory, Imperial College, London

来源：

OPTICS COMMUNICATIONS | 1979年 / 29卷 / 03期

关键词：

D O I：

10.1016/0030-4018(79)90098-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An expression is derived for the statistical uncertainty at a point in the summed spatial autocorrelation functions of a finite number of photon limited images. The expression is used to estimate the point-wise signal to noise ratio in speckle interferometry for binary and giant stars. This treatment clearly shows the dependence of the point-wise signal to noise ratio on the size of the resolution cell, the object size and the exposure parameters. © 1979.

引用

页码：273 / 278

页数：6

共 22 条

[1]

ARLEY N, 1950, INTRO THEORY PROBABI, P75

[2] PHOTON NOISE LIMITATIONS ON RECOVERY OF STELLAR IMAGES BY SPECKLE INTERFEROMETRY [J].