Education and demonstration – Detection or range determination of distant object by... – Radar
Patent
1980-06-02
1982-02-16
Tubbesing, T. H.
Education and demonstration
Detection or range determination of distant object by...
Radar
235 92NT, 235 92SH, 343 5DP, 364724, G09B 900
Patent
active
043157467
ABSTRACT:
A beam width integrator is provided for a radar simulation system in which a synthetic radar image is generated from echoes comprised of simulated echo contributions. The amount of special-purpose digital equipment required is significantly reduced, together with the overall cost and complexity of the equipment. Data signals which jointly represent an echo contribution are provided in logarithmic form in order to limit the required storage and other logic and to reduce the number of operations required to process the signals. The echo contributions are divided into successive groups, each group comprising a predetermined number of echo contributions lumped to constitute a single set of equivalent signals. A complete echo is represented in uncorrected form by a predetermined number of successive groups. By numeric addition, an average weighting signal is applied to each group of lumped echo contributions to correct for gain profile-originated echo intensity variations. The corrected signals are successively paired in an adder tree comprising a plurality of power adders, each performing a numeric addition of a pair of logarithmic input signals. The output of the adder tree comprises a plurality of beam width integrated data signals which are jointly representative of a true echo.
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patent: 4161030 (1979-07-01), de Jong
patent: 4224620 (1980-09-01), Seiersen
Baker Carl W.
General Electric Company
Lang Richard V.
Tubbesing T. H.
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