Francis James Frantz, 6554 Hicks Ln, Portsmouth, RI 02871
Francis Frantz Phones & Addresses
54 Hicks Ln, Portsmouth, RI 02871 401-6832826
Warsaw, NY
Fairfax, VA
Bossier City, LA
Newport, RI
Mentions for Francis James Frantz
Publications & IP owners
Us Patents
Contact Data Correlation With Reassessment
US Patent:
6392959, May 21, 2002
Filed:
Jul 7, 1997
Appl. No.:
08/896528
Inventors:
Neil A. Jackson - North Kingstown RI
John T. Williamson - Kailua HI
Francis J. Frantz - Fairfax VA
Patrick B. Ryll - Portsmouth RI
Hyman A. Greenbaum - Westwood MA
John T. Williamson - Kailua HI
Francis J. Frantz - Fairfax VA
Patrick B. Ryll - Portsmouth RI
Hyman A. Greenbaum - Westwood MA
Assignee:
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
G01S 380
US Classification:
367124, 367100, 364516
Abstract:
A method of processing uncorrelated data from at least one multiple-contact tracking system is provided. The method identifies which of a plurality of contacts being tracked that the uncorrelated data is most likely to be associated with. By combining correlation with reassessment processing, correlation errors can be reduced or minimized. A threshold test (e. g. , bearing test) is used to screen or coarsely filter the data while a comparison scoring test is used associate the uncorrelated data with one of the contacts. The same threshold test and comparison scoring test are used for both correlation and reassessment processing.
Fusing Contact Data For Best-Estimate Solution
US Patent:
6041019, Mar 21, 2000
Filed:
Jul 7, 1997
Appl. No.:
8/896527
Inventors:
Neil A. Jackson - North Kingstown RI
John T. Williamson - Kailua HI
Francis J. Frantz - Fairfax VA
Patrick B. Ryll - Portsmouth RI
Hyman A. Greenbaum - Westwood MA
John T. Williamson - Kailua HI
Francis J. Frantz - Fairfax VA
Patrick B. Ryll - Portsmouth RI
Hyman A. Greenbaum - Westwood MA
Assignee:
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
G01S 380
G01S 1500
G01S 1500
US Classification:
367124
Abstract:
A method of data fusion determines a best-estimate solution to a moving cact using a plurality of trackers that provide bearing-to-contact data and range-to-contact data. An averaging function is applied to the bearing-to-contact data to determine weighted-average bearing data associated with each tracker. The same averaging function is also applied to the range-to-contact data to determine weighted-average range data. A computed solution to the moving contact is generated using the weighted-average range data and the weighted average bearing data from the one tracker having the lowest standard deviation. A root mean square (RMS) error in terms of bearing is then determined for the computed solution and each of a plurality of independently generated solutions using bearing-to-contact data from the one tracker having the lowest standard deviation. One of the computed solution or the independently generated solutions that produces the lowest RMS error is considered to be the best-estimate solution.
Software Object For Providing A Display Of A Scrolling Real-Time Graph And Which Provides For Insertion And Up-Dating Of Plots Of Real Time Data Into The Display
US Patent:
5784067, Jul 21, 1998
Filed:
Jul 22, 1996
Appl. No.:
8/693816
Inventors:
Patrick B. Ryll - Portsmouth RI
Neil A. Jackson - North Kingstown RI
John T. Williamson - Riverside RI
Francis J. Frantz - Newport RI
Neil A. Jackson - North Kingstown RI
John T. Williamson - Riverside RI
Francis J. Frantz - Newport RI
Assignee:
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
G06T 300
US Classification:
345440
Abstract:
A software object for providing a display of a scrolling real-time graph includes a window, a fixed axis within the window, a scrolling axis within the window, axis labels within the window, a plot within the window, and facility for viewing obscured regions of the graph along the scrolling axis.
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