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Applied Optics

Applied Optics


  • Vol. 35, Iss. 36 — Dec. 20, 1996
  • pp: 7136–7143

Channel selection of atmospheric remote sensing

Qiu Yin, Zhaoxian Zhang, and Dingbo Kuang  »View Author Affiliations

Applied Optics, Vol. 35, Issue 36, pp. 7136-7143 (1996)

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We introduce a channel selection method for atmospheric remote-sensing problems described by a Fredholm integral equation of the first kind. Whether one set of channels (CH) is more suitable than another (CH′) can be judged by whether (1) the degree of predominance (DP) value of CH is larger than that of CH′, i.e., if the number of channels is the same and (2) the number of channels of CH is more than that of CH′, if the DP values of both are acceptable. One can calculate the DP of the unknown function f(y) for a set of remote-sensing channels by DP = [ 1 + ( R f ˜ a 2 - 1 ) R d 2 ] - 1 / 2 , R f ˜ a 2 = R c 2 [ R b 2 + R a 2 ( 1 + R b 2 ) ] , where R a , R b , R c , and (1 − R d 2)1/2 of this channel set represent the influences on the ability to recover the unknown function caused by various measurement errors, the noise parameter, the relativity of the kernel functions, and the blindness of remote sensing means, respectively. Our channel selection method can be simplified to a conventional method when there are no differences in the relative measurement errors, no blind components of the unknown function and no noise parameters in the kernel function.

© 1996 Optical Society of America

Original Manuscript: April 26, 1995
Revised Manuscript: May 15, 1996
Published: December 20, 1996

Qiu Yin, Zhaoxian Zhang, and Dingbo Kuang, "Channel selection of atmospheric remote sensing," Appl. Opt. 35, 7136-7143 (1996)

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