Angle and doppier ambiguity mitigation for spaceborne sparse array GMTI radar

Ground moving target indication (GMTI) using spaceborne sparse array radar is attractive. To mitigate angle and Doppler ambiguities of the moving target detection for sparse array, the paper presented the model of a multi-carrier-frequency radar system and analyzed the basic principle of space time adaptive processing (STAP). Finally, the paper presented preliminary simulations to show that the angle and Doppler ambiguities can be effectively reduced by using multi-carrier-frequency technique.

[1]  W.L. Melvin,et al.  A STAP overview , 2004, IEEE Aerospace and Electronic Systems Magazine.

[2]  R. Mailloux,et al.  Pattern synthesis for TechSat21 - a distributed space-based radar system , 2003 .

[3]  R. Schneible,et al.  Adaptive space/frequency processing for distributed aperture radars , 2003, Proceedings of the 2003 IEEE Radar Conference (Cat. No. 03CH37474).

[4]  Raymond J. Sedwick,et al.  Space based GMTI using scanned pattern interferometric radar (SPIR) , 2001, 2001 IEEE Aerospace Conference Proceedings (Cat. No.01TH8542).

[5]  William L. Melvin,et al.  Configuring a sparse aperture antenna for spaceborne MTI radar , 2003, Proceedings of the 2003 IEEE Radar Conference (Cat. No. 03CH37474).