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The Reduced Range in a Radar Subjected to an External Noise Generator

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1 Author(s)
Tiberio, U. ; Istituto di Ellettrotecnica, della Universita di Pisa, Pisa, Italy

When a radar is subjected to an extemal noise generator there is a reduction of range which may be calculated by an easy analytical method if some simplifying hypotheses are adopted. This paper describes such a method for two typical cases: (a) the noise generator (n.g.) is carried by the target, (b) the n.g. is in a different fixed place. The discussion is developed first in relation to a freespace condition, leading to a determination of the "reduced range index." It is then extended to a condition in which the reflection from ground must be taken into account, the ground being sea water. Finally, the visibility factor in a radar influenced by an external noise generator is briefly considered.

Published in:

Proceedings of the IRE  (Volume:42 ,  Issue: 12 )