Two basic helicopter blade modulation models were described in Reference 1. One was based on scattering from the blade tips and the other was based on the specular flash. Evidence presented in Reference 2 supports the latter model.
Helicopter Blade Modulation Model (REVISED)
1978
4 pages
Report
Keine Angabe
Englisch
Electrotechnology , Radiofrequency Waves , Electromagnetic interference , Helicopter rotors , Rotor blades(Rotary wings) , Wing tips , Electromagnetic scattering , Amplitude modulation , Specular reflection , Mathematical models , Sine waves , Doppler effect , Phase modulation , Radar cross sections
Blade large-mass frequency modulation counterweight structure and helicopter
Europäisches Patentamt | 2024
|NTRS | 1983
|NTIS | 1973
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