Radar signatures of rotor blades

Victor C. Chen

doi:10.1117/12.421231

26 March 2001 Radar signatures of rotor blades

Victor C. Chen

Proceedings Volume 4391, Wavelet Applications VIII; (2001) https://doi.org/10.1117/12.421231
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

Rotation of rotor blades in a helicopter modulates the phase function of radar backscattering, induces frequency modulation on returned signals, and generates side-bands about the center frequency of the helicopter's body Doppler frequency. The modulation induced by rotations can be regarded as a signature of the interaction between the rotor blades and the body of the helicopter, and provides additional information for target recognition complementary to existing recognition methods.

Citation Download Citation

Victor C. Chen "Radar signatures of rotor blades", Proc. SPIE 4391, Wavelet Applications VIII, (26 March 2001); https://doi.org/10.1117/12.421231

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