Describe wave aberration function using modified Zernike polynomials

Name: Describe wave aberration function using modified Zernike polynomials
Brand: Noor Publishing
SKU: 9786202348614
Price: 267.9 RON
Availability: InStock

First Edition

Autor: Wafaa H. Wadee, Raaid N. Hassan

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Legare: Carte broșată

Editura: Noor Publishing

Disponibilitate: În depozitul extern

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267.90 lei

Computer simulation was carried out, to describe the entrance wavefront into the circular and hexago...

Informații despre carte

Autor

Wafaa H. Wadee, Raaid N. Hassan

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2018

Pagini

156

EAN

9786202348614

Enbook ID

19381249

Editura

Noor Publishing

Greutate

250

Dimensiuni

150 x 220 x 9

Descriere completă

Computer simulation was carried out, to describe the entrance wavefront into the circular and hexagonal aperture of telescope. The wave aberration function can be expressed as a weighted sum of Zernike polynomials. The next generation very large ground base optical telescope has segmented aperture with sub segments almost hexagonal shape, therefore, it requires to find modified Zernike polynomials analyzer for hexagonal shape by utilizing convention form of Zernike polynomials for circular shape. The modified Zernike polynomials have the same properties of the original one across hexagonal aperture, like orthogonality, normality, mathematically independent, making the variance of the sum of modes equal to the sum of the variances of each individual mode, the invers of transformation matrix is the transpose of it and this make the compensation process in Adaptive Optics system much easier and faster. Derivation of the modified Zernike polynomials was been derived totally according to Gram-Schmidt orthogonalization process. The number of aberration modes that was derived is only ten modes because of that orthogonalization process is complex and needed highly mathematical calculation.

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Describe wave aberration function using modified Zernike polynomials

First Edition

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Descriere completă

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