Method for eliminating interference in measuring signals

Details Method for eliminating interference in measuring signals Method for eliminating interference in measuring signals

2007-09-19

2010-10-19

Maung, Nay A (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

C455S245100, C455S250100, C455S345000, C455S096000

Reexamination Certificate

active

07817978

ABSTRACT:
The present invention concerns a method for eliminating interference in measuring signals (SM) which are corrupted by pulsed interference signals (SST) having a known or determinable interference pulse interval (TSt), whereby the detection period (ΔtE) of an individual measured value (E) is shorter than an interference pulse period (ΔtSt), and a plurality of individual measured values (E) is detected at freely selectable time intervals (TE) of the measuring signal (SM). A reliable elimination of interferences caused by radio-interference sources transmitting in a pulsed manner is achieved by detecting at least three consecutive individual measured values (E) at time intervals (TE) that differ from the interference pulse interval (TSt), and by determining an interference-filtered measured quantity (M) with the at least three individual measured values (E).

REFERENCES:
patent: 4392138 (1983-07-01), Jasper et al.
patent: 4525685 (1985-06-01), Hesselberth et al.
patent: 5420889 (1995-05-01), Juntti
patent: 5586192 (1996-12-01), De Bijl et al.
patent: 5694437 (1997-12-01), Yang et al.

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