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Estimation of modulation Parameters for LPI digital receiver

  • Unique Paper ID: 157988
  • Volume: 6
  • Issue: 4
  • PageNo: 23-35
  • Abstract:
  • The performance of Electronic warfare system mostly depends on the design of Low Probability of Interference (LPI) radar and ESM receivers. The objective of LPI radar is to detect the target at long ranges and to hide from intercept receiver available at the short range. LPI radar is a class of radar systems that possess certain performance characteristics that make them nearly undetectable by today’s digital intercept receivers. This presents a significant tactical problem in the battle space. To detect these types of radar, new digital receivers that use sophisticated signal processing techniques are required. In this paper a Time frequency technique of Modified S transform is applied to poly phase codes Frank, P1, P2, P3 and P4 signals. All the signals are processed to extract modulation parameters under various noise conditions with simulation results in MATLAB and performance of Modified S transform is compared with the existing technique.
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  • ISSN: 2349-6002
  • Volume: 6
  • Issue: 4
  • PageNo: 23-35

Estimation of modulation Parameters for LPI digital receiver

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