JOHN ANDREW ORR
Pilots at Newell Rd, Holden, MA
License number
Massachusetts A1426743
Issued Date
Aug 2016
Expiration Date
Aug 2018
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
156 Newell Rd, Holden, MA 01520
Professional information
Methods And Apparatus For High Resolution Positioning
US Patent:
7292189, Nov 6, 2007
Filed:
Sep 8, 2005
Appl. No.:
11/223079
Inventors:
John A. Orr - Holden MA, US
William R. Michalson - Charlton MA, US
David Cyganski - Holden MA, US
R. James Duckworth - Shrewsbury MA, US
William R. Michalson - Charlton MA, US
David Cyganski - Holden MA, US
R. James Duckworth - Shrewsbury MA, US
Assignee:
Worcester Polytechnic Institute - Worcester MA
International Classification:
G01S 3/02
US Classification:
342465, 342387
Abstract:
The invention relates to a method of signal analysis that determines the location of a transmitter and to devices that implement the method. The method includes receiving by at least three receivers, from a transmitter, a first continuous-time signal having a first channel. The first channel includes a first plurality of signal carriers having known relative initial phases and having known frequencies which are periodically spaced and which are orthogonal to one another within a first frequency range. The signal analysis method also includes determining the phase shifts of the carriers of the first channel resulting from the distance the carriers traveled in reaching the first receiver. Analysis of the phase shifts yields time difference of arrival information amongst the receivers, which is further processed to determine the location of the transmitter.
Precision Location Methods And Systems
US Patent:
2010027, Nov 4, 2010
Filed:
Jun 13, 2008
Appl. No.:
12/664844
Inventors:
David Cyganski - Holden MA, US
R. James Duckworth - Shrewsbury MA, US
John A. Orr - Holden MA, US
William R. Michalson - Charlton MA, US
R. James Duckworth - Shrewsbury MA, US
John A. Orr - Holden MA, US
William R. Michalson - Charlton MA, US
Assignee:
Worcester Polytechnic Institute - Worcester MA
International Classification:
G08B 5/22
US Classification:
34082549
Abstract:
Systems and methods are described herein for determining the location of a transmitter by jointly and collectively processing the full sampled signal data from a plurality of receivers to form a single solution.