Doppler radar module employing coupled rectangular waveguides

Details Doppler radar module employing coupled rectangular waveguides Doppler radar module employing coupled rectangular waveguides

1975-06-05

1977-08-16

Lieberman, Eli

Communications: radio wave antennas

Antennas

Wave guide type

343 5PD, 333 10, G01S 942, H01Q 1306

Patent

active

040429342

ABSTRACT:
A doppler radar module consisting of transmitting and receiving diodes disposed within adjacent sections of wave guide with the transmitter diode disposed a half wave length away from a shorting end of the transmitter section of wave guide, and a receiver diode disposed a quarter wave from a shorting end of the receiver portion of the guide. The receiver section and the transmitter section of the wave guides being separated by a common wall; coupling aperture disposed in the common wall substantially one wave length from the end of the transmitter section of wave guide for coupling a small portion of transmitter energy into the receiver portion of wave guide and for coupling substantially all reflected energy into the wave guide section.

REFERENCES:
patent: 3434147 (1969-03-01), Cabion et al.
patent: 3747109 (1973-07-01), Corbell et al.
patent: 3805262 (1974-04-01), Klein et al.
patent: 3806942 (1974-04-01), Preti

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