초록 ▼

A system and method for identifying a pulsed radiation source may include an imaging sensor having a frame rate that is less than a pulse repetition frequency (PRF) of the pulsed radiation source. A processing unit may be in communication with the imaging sensor, and be configured to (i) process a s

A system and method for identifying a pulsed radiation source may include an imaging sensor having a frame rate that is less than a pulse repetition frequency (PRF) of the pulsed radiation source. A processing unit may be in communication with the imaging sensor, and be configured to (i) process a sequence of image data of a scene captured by the imaging sensor to determine whether radiation of the pulsed radiation source is detected, (ii) determine a PRF code of the pulsed radiation source from possible multiple different PRF codes based on the processed sequence of image data, and (iii) notify a user of the PRF code or information associated with the PRF code.

대표청구항 ▼

1. A system for identifying a pulsed radiation source, said system comprising: an imaging sensor having a frame rate that is asynchronous with a pulse repetition frequency (PRF) of the pulsed radiation source; anda processing unit in communication with said imaging sensor, and configured to: process

1. A system for identifying a pulsed radiation source, said system comprising: an imaging sensor having a frame rate that is asynchronous with a pulse repetition frequency (PRF) of the pulsed radiation source; anda processing unit in communication with said imaging sensor, and configured to: process a sequence of image data of a scene captured by said imaging sensor to determine whether radiation of the pulsed radiation source is detected;determine a PRF code of the pulsed radiation source from possible multiple different PRF codes based on the processed sequence of image data; andnotify a user of the PRF code or information associated with the PRF code. 2. The system according to claim 1, wherein said processing unit is further configured to cause said imaging sensor to operate at the frame rate and use an integration window, and process the sequence of image data over a number of image frames for a data acquisition time. 3. The system according to claim 2, wherein said processing unit is further configured to determine whether radiation of the pulsed radiation source is detected or not detected in each of the frames during the data acquisition time. 4. The system according to claim 3, wherein said processing unit is further configured to determine a set of unique features based on determining whether the radiation of the pulsed radiation source is detected or not detected in the image frames captured by said imaging sensor. 5. The system according to claim 1, wherein said processing unit is further configured to determine geographic coordinates of an object from which the radiation of the pulsed radiation source is being captured by said imaging sensor. 6. The system according to claim 5, wherein said processing unit is further configured to detect radiation from a second pulsed radiation source while determining the PRF code of the pulsed radiation source. 7. The system according to claim 6, wherein said processing unit is further configured to establish geographic coordinates of the second pulsed radiation source. 8. The system according to claim 1, wherein said imaging sensor is configured with a field-of view greater than approximately five degrees. 9. The system according to claim 1, further comprising a user interface that is configured to enable a user to set frame rate and integration window for a number of frames over a minimized wait time to process the sequence of image data. 10. The system according to claim 1, wherein said processing unit, in notifying the user of information associated with the PRF code, is further configured to display an identification of a weapons system from which the pulsed radiation source having the PRF code. 11. A method for identifying a pulsed radiation source, said method comprising: processing a sequence of image data of a scene to determine whether radiation of the pulsed radiation source is detected, the sequence of image data obtained using an imaging sensor having a frame rate that is asynchronous with a pulse repetition frequency (PRF) of the pulsed radiation source;determining a PRF code of the pulsed radiation source from multiple possible different PRF codes based on the processed sequence of image data; andpresenting the determined PRF code or information associated with the PRF code to a user. 12. The method according to claim 11, further comprising using a frame rate and integration window for capturing the image data, and processing the sequence of image data over a number of image frames for a data acquisition time. 13. The method according to claim 12, further comprising determining whether radiation of the pulsed radiation source is detected or not detected in each of the frames during the data acquisition time. 14. The method according to claim 13, further comprising determining a set of unique features based on determining whether radiation of the pulsed radiation source is detected or not detected in the captured image frames. 15. The method according to claim 11, further comprising determining geographic coordinates of an object from which the radiation of the pulsed radiation source is being captured by said imaging sensor. 16. The method according to claim 15, further comprising detecting radiation from a second pulsed radiation source while determining the PRF code of the pulsed radiation source. 17. The method according to claim 16, further comprising establishing geographic coordinates of the second pulsed radiation source. 18. The method according to claim 11, further comprising capturing the image data using a field-of-view that is greater than approximately five degrees. 19. The method according to claim 11, further comprising providing a user interface configured to enable a user to set frame rate and integration window for a number of frames over a minimized wait time to process the sequence of image data. 20. The method according to claim 11, further comprising displaying an identification of a weapons system from which the pulsed radiation source having the PRF code in notifying the user of information associated with the PRF code.