Method of measuring the altitude of a target maneuvering at a ve

Details Method of measuring the altitude of a target maneuvering at a ve Method of measuring the altitude of a target maneuvering at a ve

1978-01-03

1979-08-07

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 922

Patent

active

041639758

ABSTRACT:
A method of measuring the altitude of a target maneuvering at very low elevations is used to determine the instantaneous deviation of the target at various operating frequencies of a monopulse tracking radar. The quadrature component of the difference signal is evaluated at these frequencies, the mean values of the instantaneous deviation and of the quadrature component are determined for a certain number of frequency samples, and an extreme value of the mean value of the quadrature component is found to allow the corresponding mean value of deviation to be validated.

REFERENCES:
patent: 3757326 (1973-09-01), White
patent: 3794998 (1974-02-01), Pearson, Jr. et al.
patent: 3795913 (1974-03-01), Kosowsky et al.
patent: 3827049 (1974-07-01), VAN Staaden et al.
patent: 3854135 (1974-12-01), White
patent: 4005421 (1977-01-01), Dax
patent: 4012740 (1977-03-01), Lenneper
patent: 4084160 (1978-04-01), Leuenberger et al.

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