Helen Na

16 papers B 2Misc 2Journal 7Unranked 4
YearRankTypeTitle / Venue / Authors
1998 J jnl
Time-varying reconstruction of the ionosphere. 1. The algorithm.
Int. J. Imaging Syst. Technol.
Eric Sutton, Helen Na
1998 J jnl
Time-varying reconstruction of the ionosphere. 2. Data source analysis.
Int. J. Imaging Syst. Technol.
Eric Sutton, Helen Na
1997 — conf
Limited Angle Tomography Using Volumetric Constraints.
ICIP (1)
Chaitali Biswas, Helen Na
1996 J jnl
A block iterative algorithm for tomographic reconstruction of ionospheric electron density.
Int. J. Imaging Syst. Technol.
Eric Sutton, Helen Na
1996 — conf
Static tomographic reconstruction of the time varying ionosphere.
ICIP (3)
Eric Sutton, Helen Na
1995 B conf
A new iterative algorithm for ionospheric tomography.
ICIP
Eric Sutton, Helen Na
1995 B conf
Measures of information content for computerized ionospheric tomography.
ICIP
B. Hall, Helen Na
1994 — conf
A Space-Frequency Algorithm for Limited Anlge Tomography.
ICIP (2)
Helen Na, Chaitali Biswas
1994 — conf
High Resolution Ionospheric Tomography Through Orthogonal Decomposition.
ICIP (2)
Eric Sutton, Helen Na
1994 J jnl
Orthogonal decomposition framework for ionospheric tomography algorithms.
Int. J. Imaging Syst. Technol.
Eric Sutton, Helen Na
1994 J jnl
Resolution analysis of ionospheric tomography systems.
Int. J. Imaging Syst. Technol.
Helen Na, Eric Sutton
1992 Misc conf
Analysis of fundamental resolution limit of ionospheric tomography.
ICASSP
Helen Na, Hua Lee
1991 — —
Fundamental analysis of the tomographic imaging system for reconstructing ionospheric distributions
Helen Na
1991 J jnl
Orthogonal decomposition technique for ionospheric tomography.
Int. J. Imaging Syst. Technol.
Helen Na, Hua Lee
1990 J jnl
Resolution analysis of tomographic reconstruction of electron density profiles in the Ionosphere.
Int. J. Imaging Syst. Technol.
Helen Na, Hua Lee
1988 Misc conf
Neural net based pattern recognition on the graph search machine.
ICASSP
Helen Na, Stephen C. Glinski