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Study of micro-Doppler echo-signals structure for propeller aircrafts

Keywords:

G.G. Belyaev – Post-graduate Student, Scientific Research Institute «Gradient» (Rostov-on-Don); Chief of Group, JSC «KB «SVIAZ» (Rostov-on-don). E-mail: geo.welcome@gmail.com A.M. Lerer – Dr. Sc. (Phys.-Math.), Professor, Department of Applied Electrodynamics and Computer Simulation, Southern Federal University (Rostov-on-Don); Main Research Scientist, JSC «KB «SVIAZ» (Rostov-on-don). E-mail: lerer@sfedu.ru V.N. Shevchenko – Dr. Sc. (Eng.), Professor, Head of Research and Technical Development Center, JSC «KB «SVIAZ» (Rostov-on-Don). E-mail: rostov@gkbsvyaz.ru


New relations differing from the known numerical results for possible analytical characteristic analysis of micro-Doppler echo-signal spectrum of small and large-sized propeller aircrafts are obtained. For small-sized aircrafts the low effect of phase modulation on spectral characteristics of their echo-signal is theoretically proved. Amplitude modulation causes for three components in the spectrum of the received echo-signal small-sized propeller aircraft at receiving by horizontally and vertically polarized antennas. The simulation showed the ability to recognize the class of the aircraft by comparing the normalized levels of the echo signals received on the vertical and horizontal polarizations.
References:

 

  1. Chen V., Li F., Ho S., Wechsler H. Micro-Doppler Effect in Radar: Phenomenon, Model, and Simulation Study / IEEE Transactions on Aerospace and Electronic Systems. 2006. V. 42. № 1. P. 1−21.
  2. Maasdorp F.D.V., Cilliers J.E., Inggs M.R.,Tong C. Simulation and measurement of propeller modulation using FM broadcast band commensal radar // Electronics Letters. 2013.V. 49.№ 23.P. 1481−1482.
  3. Kleshhenkov A.B., Lerer A.M., Labunko O.S. Reshenie metodom momentov integralnogo uravnenija ehlektricheskogo vibratora v mnogoslojjnojj srede // Uspekhi sovremennojj radioehlektroniki. 2006. № 6. S. 60−67.
  4. Lerer A.M., Kleshhenkov A.B., Lerer V.A., Labunko O.S. Metodika rascheta kharakteristik sistemy parallelnykh vibratorov pri stacionarnom i impulsnom vozbuzhdenii // Radiotekhnika i ehlektronika. 2008. T. 53. № 4. S. 423−431.
  5. Pimenov JU.V., Volman V.I., Muravcov A.D. Tekhnicheskaja ehlektrodinamika. M.: Radio i svjaz. 2000. 536 s.

 

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