Pulse compression technique for high duty factor radar

Details Pulse compression technique for high duty factor radar Pulse compression technique for high duty factor radar

1990-10-05

1991-07-30

Barron, Jr., Gilberto

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

Determining distance

With frequency modulation

342135, 342195, 342196, 364726, G01S 1328, G01S 7295, G06F 15332

Patent

active

050363247

ABSTRACT:
A method of signal processing for use in high duty factor radars for detecting targets at ranges both shorter and longer than a minimum range defined by a transmitted pulse having a defined pulse length. A coded pulse coherent array waveform is transmitted and a return signal which is a waveform reflected off a target is received. The reflected waveform is sampled and time shifted by adding data to its beginning and end. The vector is then processed (pulse compressed) to obtain target information. Target information can now be obtained which is normally in a "blind zone", because the distance of the target from the radar is such that it appears during an interval when sampling is not done because of waveform transmission.

REFERENCES:
patent: 3660841 (1972-05-01), Powers et al.
patent: 3747099 (1973-07-01), Wong
patent: 4003051 (1977-01-01), Fitzgerald et al.
patent: 4618863 (1986-10-01), Collins
patent: 4899159 (1990-02-01), Marchant

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