A closed loop ML algorithm for phase aberration correction in phased array imaging systems-part II: Performance analysis

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

Volumn 44, Issue 2, 1997, Pages 271-286

  Fortes, José Mauro P ^a  

^a PONTIFICAL CATHOLIC UNIVERSITY OF RIO DE JANEIRO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

ABERRATIONS; ALGORITHMS; APPROXIMATION THEORY; CLOSED LOOP CONTROL SYSTEMS; ERROR CORRECTION; MATHEMATICAL MODELS; SIGNAL TO NOISE RATIO;

MAXIMUM LIKELIHOOD CLOSED LOOP CIRCUITS; PHASE CORRECTION; TRACKING MODE PHASE ERROR VARIANCE;

ULTRASONIC IMAGING;

EID: 0031095420     PISSN: 08853010     EISSN: None     Source Type: Journal    
DOI: 10.1109/58.585112     Document Type: Article

References (8)

1. S. W. Flax and M. O'Donnell "Phase-aberration correction using signals from point reflectors and diffuse scatterers: Basic princi-pies," IEEE Trans. Ultrason., Ferroelect., Freq. Contr., vol. 35, November 1988, pp. 758-767.
2. -, "Phase-aberration correction using signals from point reflectors and diffuse scatterers: Measurements," IEEE Trans. Ultrason., Ferroelect., Freq. Contr., vol. 35, November 1988, pp. 768-774.
3. J. M. Fortes, "Improving on phase aberration correction in phased-array ultrasound imaging systems," GE Research and Development Center Technical Information Series no. 92CRD224, General Electric Company, Corporate Research and Development Center, Schenectady, NY, November 1992.
4. J. M. Fortes, "A closed loop ML algorithm for phase aberration correction in phased array imaging systems-Part I: Algorithm synthesis and experimental results," IEEE Trans. Ultrason., Ferroelect., Freq. Contr., vol. 44, March 1997, pp. 259-270.
5. J. M. Fortes, "On the maximum likelihood estimation of the correlation coefficients of pairs of speckle signals in phased-array imaging systems," GE Research and Development Center, Ultrasound Memo #92-33, September 1992.
6. J. M. Fortes, "Performance analysis of the 1-D and 2-D closed loop circuits for phase aberration correction in phased-array imaging systems," Technical Report D-ST-01/94, Pontiffcia Universidade Catölica do Rio de Janeiro, January 1994.
7. I. S. Reed, "On a moment theorem for complex gaussian processes," IRE Trans. Inform. Theory, April 1961, pp. 194-195.
8. J. W. Goodman, "Statistical properties of laser speckle patterns," in Topics in Applied Physics, vol. 9, New York: SpringerVerlag, 1975, ch. 2.