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ISAR imaging of helicopters using millimeter wave radars

  • Helmut Essen (a1), Manfred Hägelen (a1), Alfred Wahlen (a1), Karsten Schulz (a2), Klaus Jäger (a2) and Marcus Hebel (a2)...

Abstract

The capabilities of millimeter wave radars have been demonstrated for a long period of time for missile seeker applications and for automotive radars. The technological advantages of this type of radar can be adapted to security applications in air traffic management at short and medium range as well as on the ground. The application discussed in this paper focuses on inverse synthetic aperture radar (ISAR) imaging techniques for the derivation of high-resolution signatures of helicopters in the air and the determination of reference images using turntable measurements.

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Corresponding author

Corresponding author: Dr. H. Essen Email: essen@fgan.de

References

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[1]Mensa, D.L.: High Resolution Radar Imaging, Artech House, Dedham, MA.
[2]CADRCS by CSS Denmark, 1981, www.cadrcs.com
[3]Essen, H.; Wahlen, A.; Sommer, R.; Konrad, G.; Schlechtweg, M.; Tessmann, A.: A very high bandwidth millimetre wave radar, Electron. Lett., 41 (2005), 1247, 1248.
[4]Schimpf, H.; Essen, H.; Boehmsdorff, S.; Brehm, T.: MEMPHIS – a fully polarimetric experimental radar, in Proc. IEEE IGARSS 2002, Vol. III, Toronto, 2002, 17141716.
[5]Essen, H.; Schimpf, H.; Wahlen, A.: Remote sensing with a 94-GHz synthetic aperture radar, in Proc. EUSAR'96, Königswinter, 1996.
[6]Boehmsdorff, S.; Essen, H.: MEMPHIS, an experimental platform for mm-wave radar, in DGON Int. Conf. Radar, Munich, 1998, 405411.
[7]Schimpf, H.; Essen, H.; Boehmsdorff, S.; Brehm, T.: MEMPHIS – a fully polarimetric experimental radar, in Proc. IGARSS 2002, Toronto, Canada, 2002.
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[9]Walker, J.L.: Range Doppler imaging of rotating objects, IEEE Trans. Aerosp. Electron. Syst., AES-16 (1980), 2352.
[10]Brehm, T.; Wahlen, A.; Sommer, R.; Wilcke, J.; Essen, H.; Tessmann, A.; Schlechtweg, M.: KOBRA, a high resolution millimeterwave radar for the evaluation of targets and background signatures, in Proc. DGON, IRS-2007, IRS, Cologne, Germany, 2007, 485490.
[11]Essen, H.; Hägelen, M.; Brauns, R.; Konrad, G.; Sommer, R.; Wahlen, A.: First results for ultra-high resolution tower–turntable ISAR and tower-SAR at 94 GHz, in Oroc. EUSAR-2006, Dresden, Germany, 2006.
[12]Biegel, G.; Essen, H.; Wahlen, A.; Brauns, R.: Determination of three-dimensional scattering center distributions by high resolution monopulse, in DGON, GRS 2002, Bonn, 2002, 589593.
[13]Ulaby, F.T., Moore, R.K.; Fung, A.K.: Microwave Remote Sensing: Active and Passive, Vol. III, Artech House, Inc., Dedham, MA, 1986.

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ISAR imaging of helicopters using millimeter wave radars

  • Helmut Essen (a1), Manfred Hägelen (a1), Alfred Wahlen (a1), Karsten Schulz (a2), Klaus Jäger (a2) and Marcus Hebel (a2)...

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