Wide bandwidth radar

Details Wide bandwidth radar Wide bandwidth radar

2005-08-23

2005-08-23

Sotomayor, John B. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Radar ew

Eccm

C342S018000, C342S099000, C342S111000, C342S112000, C342S115000, C342S116000, C342S131000, C342S201000, C342S202000, C342S203000

Reexamination Certificate

active

06933878

ABSTRACT:
A wave-form generator drives a number of microwave generating devices each operating at different frequency bands. The output of each microwave generator is connected to its own transmission channel of limited bandwidth which contains all the non-linear components necessary for transmission such as an amplifier, T/R switch, rotary joint and beam switch. These individual channels are finally combined onto a common wideband channel which contains only substantially linear components such as a single waveguide and the antenna itself. Because of the isolation between channels there is little or no opportunity for the generation of harmonics or intermodulation distortions which would otherwise occur in a transmitter capable of operating over a very wide bandwidth.

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patent: 5646623 (1997-07-01), Walters et al.
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patent: 0031442 (1981-07-01), None
patent: 1455157 (1976-11-01), None
patent: 2085251 (1982-04-01), None

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