Method and apparatus for the determination of the height of a ta

Details Method and apparatus for the determination of the height of a ta Method and apparatus for the determination of the height of a ta

1992-07-31

1994-01-11

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

Determining distance

Height finder

342148, 342152, G01S 1344

Patent

active

052785645

ABSTRACT:
Radar apparatus for determining the height of a low-elevation target, the target being illuminated by a transmitter (7) and an antenna (3) via a TR-switch (6). Electromagnetic radiation reflected directly by the target and indirectly by the target via the earth surface is received by the antenna (3) and processed in a sum receiver (9, 10, 11), connected via the TR-switch (6) to the antenna (3), into complex sum signals, and in a difference receiver (12, 13, 14), into complex difference signals. A signal processor (15), receiving the complex sum signals and the complex difference signals, is provided with an algorithm which determines the height of the target. The algorithm enables the determination of the target height while the antenna remains directed at the target.

REFERENCES:
patent: 4163975 (1979-08-01), Guilhem et al.
Proceedings of the IEEE, vol. 62, No. 6, pp. 687-704, Jun. 1974, D. K. Barton, "Low-Angle Radar Tracking".

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