Real-time emitter locating system and method

Details Real-time emitter locating system and method Real-time emitter locating system and method

2007-07-10

2007-07-10

Tarcza, Thomas H. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

C342S450000, C342S451000, C342S457000

Reexamination Certificate

active

10785353

ABSTRACT:
A Real-time Emitter Locating (EL) System and Method is disclosed. The system provides a technique for taking in data sets (lines of bearing) from DF receivers and characterizing those signals with their respective probabilities of error. Then using a unique method, the preferred system applies a recursive processing technique to this continuous stream of data, displaying transmitter positions with significantly less uncertainty. Furthermore, the preferred system is able to perform these functions in real-time. The system is further capable of being fully automated to reduce the processing time and reduce the necessity of human intervention. Still further, in an alternative embodiment of the present invention the system can be remotely controlled over a communications network whereby collected locating data from a single DF set, or alternatively from more than one DF sets can be combined to arrive at estimated positions for a transmitter. In this way, a far more efficient EL System can be achieved in which the emitter's position can be determined more quickly from a centralized command facility. This combination of data filtering and data collection techniques significantly reduces measurement uncertainties and enhances the accuracy of EL systems.

REFERENCES:
patent: 5343212 (1994-08-01), Rose et al.
patent: 6249252 (2001-06-01), Dupray
patent: 2004/0029558 (2004-02-01), Liu

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