Radar receiver and a method for processing radar returns

Communications: directive radio wave systems and devices (e.g. – With particular circuit – Digital processing

Reexamination Certificate

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C342S104000, C342S109000, C342S118000, C342S192000

Reexamination Certificate

active

07944392

ABSTRACT:
A method for processing received radar returns of a radiated wide-band arbitrary waveform in a wide-band radar processing system using spectral processing. The received wide-band radar returns are undersampled by using a first sampling rate to obtain an undersampled digital wide-band radar waveform. Spectral processing is performed on the power spectrum of the undersampled digital wide-band radar waveform in order to obtain a discrete ripple frequency power spectrum of the undersampled digital wide-band radar waveform. Ripple frequencies indicating radar targets are located in the discrete ripple frequency power spectrum of the undersampled digital wide-band radar waveform. A radar receiver, a digital wide-band radar processing system and a computer program product.

REFERENCES:
patent: 6420995 (2002-07-01), Richmond et al.
patent: 2007/0247351 (2007-10-01), Falk
Lukin, K.A. “Noise Radar Technology” (Original published in Radiophysics and Electronics, vol. 4, No. 3, 1999, pp. 105-111), Telecommunications and Radio Engineering, 55(12), 2001.
European Patent Office Search Report, dated Dec. 19, 2008, issued in connection with Counterpart Application No. 08157457.6—1248.
Konstantin A. Lukin, et al., “Sampling Rate Reduction in Software Noise Radar,”International Radar Symposium, IRS 2006, IEEE, pp. 1-4, May 21, 2008.
Konstantin A. Lukin, “Noise Radar Technology: The Principles and Short Overview,”Applied Radio Electronics, vol. 4, No. 1, pp. 9-10.
Konstantin A. Lukin, “Millimeter Wave Noise Radar Applications: Theory and Experiment,”MSMW 2001 Symposium Proceedings, Kharkov, Ukraine, pp. 68-73, Jun. 4-9, 2001.
James Tsui, “Fourier Transform-Related Operations,”Digital Techniques for Wideband Receivers, Second Edition, pp. 131-134.
The First International Workshop on the Noise Radar Technology Proceedings, NRTW 2002, Yalta, Crimea, Ukraine, Sep. 18-20, 2002.

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