Autofocusing of SAR images based on the product high-order ambiguity function

IEE Proceedings: Radar, Sonar and Navigation

Volumn 145, Issue 5, 1998, Pages 269-273

  Barbarossa, S ^a   Scaglione, A ^a  

^a SAPIENZA UNIVERSITY OF ROME   (Italy)

Author keywords

Aperture radar; Autofociising; Polynomial modelling; Synthetic

Indexed keywords

FOCUSING; FUNCTIONS; MATHEMATICAL MODELS; PARAMETER ESTIMATION; PHASE SPACE METHODS; POLYNOMIALS; RADAR IMAGING; RADAR TARGET RECOGNITION; SPURIOUS SIGNAL NOISE;

AUTOFOCUSING TECHNIQUE; GENERIC ORDER POLYNOMIAL; MODEL ORDER MISMATCHING; PHASE GRADIENT AUTOFOCUSING ALGORITHM;

SYNTHETIC APERTURE RADAR;

EID: 0032184511     PISSN: 13502395     EISSN: None     Source Type: Journal    
DOI: 10.1049/ip-rsn:19982222     Document Type: Article

References (6)

1. CURLANDER, C., and McDONOUGH, R.N.: 'Synthetic aperture radar -systems and signal processing' (John Wiley and Sons, 1991)
2. WAHL, D.E., EICHEL, P.H., GHIGLIA, D.C., and JAKOWATZ, C.V.: 'Phase gradient autofocus - a robust tool for high resolution SAR phase correction', IEEE Trans. Aerospace Electron. Syst., 1994, 30, (3), pp. 827-835
3. BARBAROSSA, S., SCAGLIONE, A., and GIANNAKIS, G.B.: 'Product high order ambiguity function for multicomponent polynomial-phase signal modeling', IEEE Trans. Signal Process., 46, 1998, pp. 691-706
4. PELEG, S., PORAT, B., and FRIEDLANDER, B.: The achievable accuracy in estimating the instantaneous phase and frequency of a constant amplitude sianal', IEEE Trans. Signal Process., 1993, 41, (6), pp. 2216-2224
5. PELEG, S., and PORAT, B.: 'Estimation and classification of sisnals with polynomial phase', IEEE Trans. Inform. Theory, 1991, 37, pp. 422-430
6. BARBAROSSA, S., MAMELI, R., and SCAGLIONE, A.: 'Adaptive detection of polynomial-phase signals embedded in noise using high order ambiguity functions'. Proc. 31st Asilomar Conf. on Signals, Systems and Computers, Pacific Grove, California, 3-5 November 1997