Communications: directive radio wave systems and devices (e.g. – With particular circuit – With polarization
Patent
1993-04-16
1994-08-09
Hellner, Mark
Communications: directive radio wave systems and devices (e.g.,
With particular circuit
With polarization
343753, 343756, G01S 1300
Patent
active
053370589
ABSTRACT:
A fast switching, variably polarized lens is placed in front of a radar antenna which radiates an electromagnetic wave having any fixed polarization. The radiated electromagnetic wave is coupled to the lens and the switching elements within the lens transform the polarization of the radiated electromagnetic wave as commanded. Each transmit pulse may take on any polarization which the lens is capable of providing independent of the polarization of the previous transmit pulse. Similarly, during receive mode the lens can be set up to allow the radar system to receive a return signal of any polarization independent of the polarization of the return signal's associated transmit signal.
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Skolnick, Merrill I., "Introduction to Radar Systems", McGraw-Hill Book Company, p. 436.
Hellner Mark
O'Shea Patrick J.
United Technologies Corporation
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