Radar Image Generation System
AssigneeRaytheon Company
InventorRaymond Samaniego
Life of this patent
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Abstract
According to one embodiment, a synthetic aperture radar includes a back projection processor that is configured to receive multiple return signals from the radar as the radar is moved with respect to an object, wherein the return signals are representative of electro-magnetic radiation reflected from the object. The back projection processor generates a dynamic image of one or more internal features of the object from the return signals by varying a squint angle of the plurality of return signals in which the squint angle varied by modifying a back projection filter. Once generated, the back projection processor displays the dynamic image on a display.
Claims21
A synthetic aperture radar comprising:
- a back projection processor coupled to a display and a radar configured on a truck, the back projection processor comprising instructions stored in a memory and executable on a computing system, the back projection processor operable to:
- receive a plurality of return signals from the radar as the truck is moved with respect to a building, the plurality of return signals generated by the radar by stepping a transmitted radio-frequency signal from 0.5 Giga-Hertz to 2.0 Giga-Hertz, the plurality of return signals representative of electro-magnetic radiation reflected from the building;
- generate a dynamic image of one or more walls of the building from the plurality of return signals by varying a squint angle of the plurality of return signals, the squint angle varied by modifying a back projection filter, the back projection filter comprising a spatial filter or a doppler filter;
- and
- display the dynamic image on the display.
A synthetic aperture radar comprising:
- a back projection processor coupled to a radar and a display, the back projection processor comprising instructions stored in a memory and executable on a computing system, the back projection processor operable to:
- receive a plurality of return signals from the radar as the radar is moved with respect to an object, the plurality of return signals representative of electro-magnetic radiation reflected from the object;
- and
- generate a dynamic image of one or more internal features of the object from the plurality of return signals by varying a squint angle of the plurality of return signals, the squint angle varied by modifying a back projection filter.
An image generating method comprising:
- receiving, by a back projection processor, a plurality of return signals from a radar as the radar is moved with respect to an object, the plurality of return signals representative of electro-magnetic radiation reflected from the object;
- and
- generating a dynamic image of one or more internal features of the object from the plurality of return signals by varying a squint angle of the plurality of return signals, the squint angle varied by modifying a back projection filter.
Dependencies are inferred from the claim text.