Systems and methods for power efficient situation aware seismic detection and classification

• US 20080106401A1
• Filed: 11/07/2006
• Published: 05/08/2008
• Est. Priority Date: 11/07/2006
• Status: Active Grant

• Current Assignee: Harris Corporation (L3Harris Technologies, Inc.)
• Original Assignee: Harris Corporation (L3Harris Technologies, Inc.)
• Inventors: Jordan, Michael D., Cloutier, Scott J., Voglewede, Paul Edward
• Granted Patent: US 7,710,264 B2
• Time in Patent Office: Days
• US Class Current: 340/540
• CPC Class Codes: F41H 11/00 Defence installations; Defence devices constructional aspects see Section E, e.g. air-raid shelters E04H9/04; protective arrangements for buildings E04B1/92; extinguishing or preventing the spread of fire from, incendiary bombs A62C3/06; dynamic armour F41H5/007; ballistically deployed systems for restraining persons or animals F41H13/0006; electronic countermeasures G01S
• CPC Class Codes: G01V 1/00 Seismology; Seismic or acoustic prospecting or detecting

Abstract

Certain embodiments of the present invention provide a system for improved signal processing within a remote sensor system. The system includes a detection component and a processing component. The detection component is adapted to detect an event and generate a signal based at least in part on the event. The processing component adapted to determine an envelope of the signal based at least in part on a situation. Certain embodiments of the present invention provide a method for improved signal processing within a remote sensor system. The system includes detecting an event, generating a signal based at least in part on the event, and determining an envelope of the signal based at least in part on a situation.

Claims

1. A system for improved signal processing within a remote sensor system, the system including:

a detection component adapted to detect an event and generate a signal based at least in part on the event;

a processing component adapted to determine an envelope of the signal based at least in part on a situation.

2. The system of claim 1, wherein the detection component includes a seismic detector.

3. The system of claim 1, wherein the situation includes at least one of a target type, an environment, and a dynamic environmental condition.

4. The system of claim 1, further including an analysis component, wherein the analysis component includes a pulse analysis component.

5. The system of claim 1, wherein the processing component is adapted to determine one or more low frequency components of the envelope of the signal.

6. The system of claim 5, further including an analysis component, wherein the analysis component is adapted to compare the envelope of the signal and the low frequency components of the envelope of the signal.

7. The system of claim 6, wherein the analysis component is adapted to compare a ratio of the envelope of the signal and the low frequency components of the envelope of the signal.

8. The system of claim 6, wherein the analysis component is adapted to compare power in the envelope of the signal and power in the low frequency components of the envelope of the signal.

9. The system of claim 6, wherein the analysis component is adapted to compare two or more groups of frequency components.

10. The system of claim 1, further including a classification component adapted to classify the event as at least one of a constant source and an impulse source.

11. A method for improved signal processing within a remote sensor system, the system including:

detecting an event;

generating a signal based at least in part on the event; and

determining an envelope of the signal based at least in part on a situation.

12. The method of claim 11, wherein the situation includes at least one of a target type, an environment, and a dynamic environmental condition.

13. The method of claim 11, further including analyzing the envelope of the signal.

14. The method of claim 11, wherein the processing step includes determining one or more low frequency components of the envelope of the signal.

15. The method of claim 14, wherein the analysis step includes comparing the envelope of the signal and the low frequency components of the envelope of the signal.

16. The method of claim 15, wherein the analysis step include comparing a ratio of the envelope of the signal and the low frequency components of the envelope of the signal.

17. The system of claim 15, wherein the analysis step includes comparing power in the envelope of the signal and power in the low frequency components of the envelope of the signal.

18. The method of claim 15, wherein the analysis step includes comparing two or more groups of frequency components.

19. The method of claim 11, further including classifying the event as at least one of a constant source and an impulse source.

20. A computer readable storage medium including a set of instructions for execution on a computer, the set of instructions including:

a detection routine configured to detect an event and generate a signal based at least in part on the event;

a processing routine configured to determine an envelope of the signal based at least in part on a situation.