Interferometer-type radar

Details Interferometer-type radar Interferometer-type radar

2008-07-01

2008-07-01

Sotomayor, John B (Department: 3662)

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

Determining velocity

Combined with determining distance and direction

C342S108000, C342S113000, C342S156000, C342S189000, C342S196000

Reexamination Certificate

active

07394422

ABSTRACT:
A transmitter for transmitting signals to targets and a receiver for receiving signals reflected from targets are included. The transmitter outputs CW signals for detecting direction and velocity of the target. The receiver performs: a function of receiving signals reflected from targets with a plurality of receiving antennas at the same time as transmitting from the transmitter, and performing spectral analysis with respect to receiving signals to thereby classify them by velocity component; a function of correlating signals of the receiving antenna systems; a function of integrating the signals correlation-processed; and a function of obtaining phase fronts of signals made incident on an antenna face from the phase differences of signals between receiving antennas, and performing two-dimensional FFT to the outputs to thereby measure the direction and velocity of the target.

REFERENCES:
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patent: 2003-177175 (2003-06-01), None

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