Pulse doppler radar system which identifies and removes electrom

Details Pulse doppler radar system which identifies and removes electrom Pulse doppler radar system which identifies and removes electrom

1996-12-20

1998-05-05

Sotomayor, John B.

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

Clutter elimination

342 93, G01S 7292, G01S 1353

Patent

active

057481423

ABSTRACT:
A radar system for identifying an object of interest. A transmitter produces a first signal and a duplexer receives the first signal from the transmitter. An antenna transmits the first signal into the atmosphere and receives a second signal reflected by objects present in the atmosphere. A receiver samples the second signal and develops a third signal. A clutter filter removes a clutter component from the third signal at all frequencies and develops a fourth signal which is free from clutter. An electromagnetic interference (EMI) detection unit identifies EMI present in the fourth signal produced and develops a fifth signal which is free from EMI. A logic device compares the fourth and fifth signals to produce a sixth signal which is free from both clutter and EMI and represents only objects of interest. A display unit receives and displays the sixth signal to allow an operator to track objects of interest.

REFERENCES:
patent: 4635060 (1987-01-01), Mertens
patent: 5184137 (1993-02-01), Pozgay
patent: 5646623 (1997-07-01), Walters et al.

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