Synthesis of infrared spectral signatures

Kenneth J. Barnard; Glenn D. Boreman

doi:10.1117/12.55588

1 March 1990 Synthesis of infrared spectral signatures

Kenneth J. Barnard, Glenn D. Boreman

Author Affiliations +

Optical Engineering, Vol. 29, Issue 3, (March 1990). https://doi.org/10.1117/12.55588

Abstract

A method is presented for synthesis of the spectral dependence of infrared sources. Blackbody sources of different temperatures are used as basis functions in this synthesis. The basis functions are linearly combined with appropriate weighting coefficients to approximate the desired spectral distribution. We demonstrate the method by synthesizing blackbody functions of certain temperatures that are not one of the basis functions. The parameters to be determined in the synthesis are the temperatures of the basis functions and the values of the weighting coefficients. Realistic hardware constraints are imposed, such as quantization of the weighting coefficients and the use of a limited number of basis functions. The error in the synthesis is determined as a function of the number of basis sources. The use of four sources was found to be a good compromise, with approximately a 4% error over the 3 to 5 ?m band.

Citation Download Citation

Kenneth J. Barnard and Glenn D. Boreman "Synthesis of infrared spectral signatures," Optical Engineering 29(3), (1 March 1990). https://doi.org/10.1117/12.55588

Published: 1 March 1990

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available