Pulse or digital communications – Receivers – Particular pulse demodulator or detector
Patent
1994-12-21
1997-12-02
Tse, Young T.
Pulse or digital communications
Receivers
Particular pulse demodulator or detector
375239, 329313, G01R 2314, G01S 728
Patent
active
056944357
ABSTRACT:
The invention relates to a digital method of detecting pulses of short duration and an arrangement for implementing the method. A threshold value is generated by means of a statistical procedure which is common in radar engineering, by means of which short pulses to be detected can be differentiated as opposed to long pulses. The method includes sorting a predeterminable number of temporally consecutive signal samples by amplitude and creating a ranking of the signal samples. An associated amplitude value for a predeterminable rank within the ranking is determined and multiplied by a predeterminable weighting factor (k) so that an amplitude threshold value (SW) is generated. All signal samples whose amplitude is greater than the amplitude threshold value (SW) are then marked with a marking signal.
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Kolle Hans-Georg
Wolf Gunter
Deutsche Aerospace AG
Tse Young T.
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