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Experimental techniques for measuring the Pixel Response Function of active pixel sensor star cameras.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Experimental techniques for measuring the Pixel Response Function of active pixel sensor star cameras./
Author:	Fumo, Patrick C.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2014,
Description:	67 p.
Notes:	Source: Masters Abstracts International, Volume: 54-03.
Contained By:	Masters Abstracts International54-03(E).
Subject:	Optics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1572842
ISBN:	9781321479485

Experimental techniques for measuring the Pixel Response Function of active pixel sensor star cameras.
Fumo, Patrick C.

Experimental techniques for measuring the Pixel Response Function of active pixel sensor star cameras. - Ann Arbor : ProQuest Dissertations & Theses, 2014 - 67 p.

Source: Masters Abstracts International, Volume: 54-03.

Thesis (M.S.)--Southern Methodist University, 2014.

The Pixel Response Function of a pixel within a focal plane is defined as the pixel intensity with respect to the position of a point source within the pixel. One of its main applications is in the field of astrometry which is a branch of astronomy that deals with positioning data of a celestial body for tracking movement or adjusting the attitude of a spacecraft. CMOS image sensors generally offer better radiation tolerance to protons and heavy ions than CCD's making them ideal candidates for space applications aboard satellites, but like all image sensors they are limited by their spatial frequency response better known as the Modulation Transfer Function. Having a well calibrated PRF allows us to eliminate some of the uncertainty in the spatial response of the system providing better resolution and a more accurate centroid estimation. This paper describes the experimental setup for determining the PRF of a CMOS image sensor and analyzes the effect on the oversampled PSF of an image intensifier, as well as the effects due to the wavelength of used as a point source. It was found that using electron bombarded active pixel sensor (EBAPS) intensification technology had significant affects on the PRF of the camera being tested as a result of an increase in the amount of carrier diffusion between collection sites generated by the intensification process. Taking the full width half max (FWHM) of the resulting data it was found that the intensified version of a CMOS camera exhibited a point spread function roughly 16.42% larger than its non-intensified counterpart.

ISBN: 9781321479485Subjects--Topical Terms:

595336
Optics.

Experimental techniques for measuring the Pixel Response Function of active pixel sensor star cameras.
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