Doppler radar clutter spike rejector

Details Doppler radar clutter spike rejector Doppler radar clutter spike rejector

1997-05-13

1998-07-14

Lobo, Ian J.

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

Clutter elimination

Mti

342159, G01S 13534

Patent

active

057811490

ABSTRACT:
The invention is an improved clutter suppressor for MTI and pulse doppler radars operating so that the received clutter pulses are large enough to hard limit within the receiving system. It is especially useful for radars that use antenna beam scanning to perform tasks such as search, surveillance, and height finding because the combination of hard limiting with beam movement creates strong clutter residue at the output of a doppler filter. The invention can be implemented with either analog or digital technology, or with a digital processor and software.

REFERENCES:
patent: 4459592 (1984-07-01), Long
patent: 4463356 (1984-07-01), Short, III et al.
patent: 4684950 (1987-08-01), Long
patent: 5485157 (1996-01-01), Long

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