PULSE SELECTION METHOD Russian patent published in 2005 - IPC

Abstract RU 2264030 C2

FIELD: pulse engineering; detecting pulse signals in noise background, for instance in controlled-armament semi-active homing heads.

SUBSTANCE: proposed method involves setting of maximum permissible deviation of input pulse repetition period from desired value; setting of number of occurrences in desired interval determined considering maximum permissible deviations from desired input pulse repetition period; and detection of pulse in desired interval; in addition, sums of times of next pulse arrival relative to each of preceding ones are accumulated; number of occurrences in desired interval is set to zero for each sum; each of these sums is compared with desired repetition period; if excess of one of sums is lower than or equal to maximum permissible deviation of repetition period from desired value, desired pulse repetition period is subtracted from this sum, and number of occurrences in desired time interval is increased by one; if it is higher, this sum is set to equal time of arrival of next pulse relative to preceding one, and number of occurrences in desired interval for this sum is set to zero; if number of occurrences in desired interval for one of these sums equals desired value, last of arriving pulses is considered to belong to sought sequence.

EFFECT: minimized detection time for pulse with desired repetition period, enhanced operating reliability of homing head.

1 cl, 1 dwg

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RU 2 264 030 C2

Authors

Filimonov V.Ja.

Markov N.N.

Dates

2005-11-10—Published

2003-02-19—Filed