Introduction to the Theory of Radiopolarimetric Navigation Systems by Kozlov A. I. & Logvin A. I. & Sarychev V. A. & Shatrakov Y. G. & Zavalishin O. I

Author:Kozlov A. I. & Logvin A. I. & Sarychev V. A. & Shatrakov Y. G. & Zavalishin O. I.
Language: eng
Format: epub
ISBN: 9789811383953
Publisher: Springer Singapore

In the image, only the equator and the central meridian are straight lines, and the remaining parallels and meridians are curved lines. This projection of equal areas provides an opportunity to see the entire surface of the sphere simultaneously. This makes the projection of Aitoff–Hammer convenient for displaying data on unknown polarization states. This cartographic representation was first used by Rayvan’s radar polarimetry to analyze the characteristics of the polarization states of noise clusters. The cartographic projection of Aitoff–Hammer is also a convenient means of representing distributions on the Poincaré sphere similar to the Lambert cylindrical projection of equal areas.

In addition, the elliptical projection of Aitoff–Hammer can give a more accurate representation for regions close to the poles, since it has a circular shape in the region of the poles. This projection is also plausible, which means the equality of the ratio of the areas in any part of the projection and the ratio of the areas of the entire projection. Nonetheless, the projection of Molveyd, which is very close to the projection of Aitoff–Hammer, is more preferable.

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