Method and device to improve the probability of validity of the

Details Method and device to improve the probability of validity of the Method and device to improve the probability of validity of the

1993-06-29

1995-04-11

Hellner, Mark

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

Air traffic control

Secondary surveilance radar

342 40, G01S 1374

Patent

active

054062888

ABSTRACT:
Disclosed are a method and device for the real-time processing of the responses constituted by pulse signals emitted by secondary radar transponders. The device has an analyzer of sampled magnitudes characterizing the pulses, said magnitudes being prepared by a device located upline with respect to the disclosed device. This device creates a sample message at the sampling rate. Said sample message characterizes the variations of the different magnitudes from one sample to another. A device for the processing of the pulses receives the sample messages and prepares pulse messages. Finally, a device filters the pulses belonging to a same response from the information elements pertaining to the pulse messages and from response detection signals.

REFERENCES:
patent: 4796030 (1989-01-01), Colotti et al.
patent: 5089822 (1992-02-01), Abaunza et al.
patent: 5196855 (1993-03-01), Kuroda
Trim, R. M., "Mode S: an introduction and overview", Electronics & Communication Engineering Journal, vol. 2, No. 2, Apr. 1990, London, GB, pp. 53-59.

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