Dual base line interferometer antenna

Details Dual base line interferometer antenna Dual base line interferometer antenna

1970-11-23

1976-03-09

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 16M, 343113R, G01S 374, G01S 902

Patent

active

039435148

ABSTRACT:
A radar system for determining the position of a target using a radio frency source of opportunity. The system uses an interferometer antenna and cross-correlation techniques to measure the time delay in receiving a reflected signal from the target as compared to receiving a direct signal from the signal source. Thereby, the distance from the RF source via the target to the antenna is determined. Additionally, the system uses a plurality of interferometer antennas and cross-correlation techniques to measure the relative phase difference between the signals received by the antennas. Thereby the angle of arrival of the reflected signals from the target is determined. Combining the range and angular information locates the target.

REFERENCES:
patent: 2546970 (1951-04-01), Busignies
patent: 2639422 (1953-05-01), Harris
patent: 2971190 (1961-02-01), Busignies
patent: 3154778 (1964-10-01), Kock
patent: 3303503 (1967-02-01), Stabilito
patent: 3510871 (1970-05-01), Watanabe et al.
patent: 3540054 (1970-11-01), Broderick

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