Large time-bandwidth chirp pulse generator

Details Large time-bandwidth chirp pulse generator Large time-bandwidth chirp pulse generator

1993-08-06

1995-06-27

Barron, Jr., Gilberto

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

With particular circuit

For frequency modulation

342132, 331107A, G01S 7282, H03B 2300

Patent

active

054283612

ABSTRACT:
Low time-bandwidth product linear frequency modulated chirp pulses are repetitively generated as contiguous subpulses to form a pulse of extended duration with each subpulse respectively mixed with one of a plurality of stepped intermediated frequencies so that the bandwidth of the contiguous subpulses is increased to the frequency bandwidth of all of the stepped intermediate frequencies such that the contiguous signal formed has a linearly varying frequency over the increased bandwidth and increased pulse duration, providing a large time-bandwidth product linear frequency modulated chirp waveform particularly useful in radar systems.

REFERENCES:
patent: 3852746 (1974-12-01), Lowenschuss et al.
patent: 3945012 (1976-03-01), Cooper
patent: 4047173 (1977-09-01), Miller
patent: 4288750 (1981-09-01), Newton et al.
patent: 4560961 (1985-12-01), Kestenbaum
patent: 4739186 (1988-04-01), Crookshanks
patent: 5019825 (1991-05-01), McCorkle

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