Injection of simulated sources in a system of networked sensors
First Claim
Patent Images
1. A computer-implemented method of determining a response of a detection system capable of detecting a real source to a simulated source, the detection system comprising a set of nodes connected in a network and located in a given area, each node including at least one sensor capable of sensing the real source, the method comprising the steps of:
- (a) operating the set of nodes to at least measure real background data using the at least one sensor of each node in the given area;
(b) receiving at a processor in the network from a plurality of said nodes over the network measured or inferred location data for each node and the real background data measured by each node at a predetermined time in the given area;
(c) receiving at the processor an injection of simulated source data including data on a location of the simulated source and an activity level of the simulated source at the predetermined time;
(d) calculating, by the processor, estimated simulated response data for each node at the predetermined time based at least on the measured or inferred location data received from each node and the real background data measured by the node at the predetermined time received at step (b) and the simulated source data received at step (c);
(e) determining, by the processor, based on the estimated simulated response data for all the nodes whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time; and
(f) signaling with an output device whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time,wherein the simulated source has a predetermined simulated source spectral characteristic comprising an emission spectrum of predetermined isotope, and step (d) comprises calculating the estimated simulated response data for each node based in part on the predetermined simulated source spectral characteristic.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods and systems are disclosed for detecting a source (such as, e.g., radioactive and chemical sources) using a plurality of networked sensors communicating with a central processor over network. A method can involve injecting a simulated source in the system of networked sensors for use in operational training and/or testing.
36 Citations
36 Claims
-
1. A computer-implemented method of determining a response of a detection system capable of detecting a real source to a simulated source, the detection system comprising a set of nodes connected in a network and located in a given area, each node including at least one sensor capable of sensing the real source, the method comprising the steps of:
-
(a) operating the set of nodes to at least measure real background data using the at least one sensor of each node in the given area; (b) receiving at a processor in the network from a plurality of said nodes over the network measured or inferred location data for each node and the real background data measured by each node at a predetermined time in the given area; (c) receiving at the processor an injection of simulated source data including data on a location of the simulated source and an activity level of the simulated source at the predetermined time; (d) calculating, by the processor, estimated simulated response data for each node at the predetermined time based at least on the measured or inferred location data received from each node and the real background data measured by the node at the predetermined time received at step (b) and the simulated source data received at step (c); (e) determining, by the processor, based on the estimated simulated response data for all the nodes whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time; and (f) signaling with an output device whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time, wherein the simulated source has a predetermined simulated source spectral characteristic comprising an emission spectrum of predetermined isotope, and step (d) comprises calculating the estimated simulated response data for each node based in part on the predetermined simulated source spectral characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A detection system capable of detecting a real source, comprising:
-
a plurality of nodes located in a given area, each node including at least one sensor capable of at least measuring real background data and sensing the real source in the given area; a processor connected to each of the plurality of nodes over a communications network, said processor configured to; (a) receive from a plurality of said nodes over the network measured or inferred location data for each node and the real background data measured by each node at a predetermined time in the given area; (b) receive an injection of simulated source data including data on a location of a simulated source and an activity level of the simulated source at the predetermined time; (c) calculate estimated simulated response data for each node at the predetermined time based at least on the measured or inferred location data received from each node and the real background data measured by the node at the predetermined time and the simulated source data; (d) determine based on the estimated simulated response data for all the nodes whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time; and (e) signal with an output device whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time, wherein the simulated source has a predetermined simulated source spectral characteristic comprising an emission spectrum of predetermined isotope, and step (c) comprises calculating the estimated simulated response data for each node based in part on the predetermined simulated source spectral characteristic. - View Dependent Claims (16, 17, 18)
-
-
19. A computer-implemented method of determining a response of a detection system capable of detecting a real source to a simulated source, the detection system comprising a set of nodes connected in a network and located in a given area, each node including at least one sensor capable of sensing the real source, the method comprising the steps of:
-
(a) operating the set of nodes to at least measure real background data using the at least one sensor of each node in the given area; (b) receiving at a processor in the network from a plurality of said nodes over the network measured or inferred location data for each node and the real background data measured by each node at a predetermined time in the given area; (c) receiving at the processor an injection of simulated source data including data on a location of the simulated source and an activity level of the simulated source at the predetermined time; (d) calculating, by the processor, estimated simulated response data for each node at the predetermined time based at least on the measured or inferred location data received from each node and the real background data measured by the node at the predetermined time received at step (b) and the simulated source data received at step (c); (e) determining, by the processor, based on the estimated simulated response data for all the nodes whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time; and (f) signaling with an output device whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time, wherein the simulated source has a predetermined directional emission characteristic, and step (d) comprises calculating the estimated simulated response data for each node based in part on the predetermined directional emission characteristic. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
-
-
33. A detection system capable of detecting a real source, comprising:
-
a plurality of nodes located in a given area, each node including at least one sensor capable of at least measuring real background data and sensing the real source in the given area; a processor connected to each of the plurality of nodes over a communications network, said processor configured to; (a) receive from a plurality of said nodes over the network measured or inferred location data for each node and the real background data measured by each node at a predetermined time in the given area; (b) receive an injection of simulated source data including data on a location of a simulated source and an activity level of the simulated source at the predetermined time; (c) calculate estimated simulated response data for each node at the predetermined time based at least on the measured or inferred location data received from each node and the real background data measured by the node at the predetermined time and the simulated source data; (d) determine based on the estimated simulated response data for all the nodes whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time; and (e) signal with an output device whether a real source at the predetermined simulated source location having the predetermined simulated source activity level would have been detected at the predetermined time, wherein the simulated source has a predetermined directional emission characteristic, and step (c) comprises calculating the estimated simulated response data for each node based in part on the predetermined directional emission characteristic. - View Dependent Claims (34, 35, 36)
-
Specification