Digital error detector for IFM receiver

Details Digital error detector for IFM receiver Digital error detector for IFM receiver

1988-02-08

1989-03-07

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

375 86, 342393, 342196, G01R 2316

Patent

active

048109479

ABSTRACT:
A process and means for identifying erroneous frequency measurements made by an IFM receiver using a multi-channel delay line discriminator. Expected phase codes are compared with measured phase codes. An error signal is generated when the magnitude of deviation exceeds a predetermined amount. Preferred formulas are used to compute the expected phase codes and the deviation magnitude.

REFERENCES:
patent: 3859631 (1975-01-01), Holmes et al.
patent: 3928797 (1975-12-01), Kiencke et al.
patent: 4484221 (1984-11-01), Tults
patent: 4580277 (1986-04-01), Angello et al.
patent: 4698827 (1987-10-01), Kretschmer

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