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Radio Science

A decoder for a 30-m height resolution ST radar

Authors

  • M. Petitdidier,

  • A. Desautez,

  • M. Glass,

  • G. Penazzi


Abstract

A new hardware decoder-coherent integrator, which will allow a 30 m height resolution with a UHF radar, is described. By using quasi-complementary codes, the decoding is performed in real time before the coherent integration. This device consists of 20 identical PC boards, as many as the number of subpulses in the transmitted pulse, and is able to process simultaneously 20 gates; 40 additions or substractions and memory accesses are performed in 200 ns. This decoder-coherent integrator is very modular and simple in its design, with its 20 identical boards which enhance the overall reliability of the system.

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