An airborne tracking system including a radiation emitter, a radiation receiver and a signal processor. The radiation emitter is adapted to direct radiation to a positioning area a defined distance from the radiation emitter, the radiation carrying a modulated location signal containing information
An airborne tracking system including a radiation emitter, a radiation receiver and a signal processor. The radiation emitter is adapted to direct radiation to a positioning area a defined distance from the radiation emitter, the radiation carrying a modulated location signal containing information corresponding to positions within the positioning area. The radiation receiver is adapted to receive at least a portion of the emitted radiation carrying the modulated signal and output a signal to the signal processor indicative of the modulation of the location signal of the received radiation. Signal processor is adapted to process the outputted signal and identify a position within the positioning area indicative of the location in the positioning area of the received radiation.
대표청구항▼
1. An airborne tracking system, comprising: a radiation receiver positioning system, the radiation receiver positioning system including a radiation emitter, a radiation receiver and a signal processor, the radiation emitter, radiation receiver being adapted for use on airborne objects; andwherein t
1. An airborne tracking system, comprising: a radiation receiver positioning system, the radiation receiver positioning system including a radiation emitter, a radiation receiver and a signal processor, the radiation emitter, radiation receiver being adapted for use on airborne objects; andwherein the radiation emitter is adapted to direct radiation to a positioning area a defined distance from the radiation emitter, the radiation carrying a modulated location signal containing information corresponding to positions within the positioning area, the radiation emitter is adapted to emit a focused optical elongated beam and scan the focused optical elongated beam over the positioning area in a dual-pass manner;wherein the radiation receiver is adapted to receive at least a portion of the emitted radiation carrying the modulated signal and output a signal to the signal processor indicative of the modulation of the location signal of the received radiation; andwherein the signal processor is adapted to process the outputted signal and identify a position within the positioning area indicative of the location in the positioning area of the received radiation. 2. An airborne positioning system comprising: a radiation receiver positioning system, the radiation receiver positioning system including a radiation emitter, a radiation receiver, and a signal processor;wherein the radiation emitter is adapted to direct a focused optical beam of emitted radiation modulated with digital data blocks to an area away from the radiation emitter, the modulated digital data blocks respectively indicative of discrete orientations respectively corresponding to orientations of the beam relative to the radiation emitter, the radiation including discernable properties that vary in a corresponding manner with varying orientation of the beam of radiation with respect to the radiation emitter, wherein at least some of the varied discernable properties are respectively indicative of discrete orientations respectively corresponding to orientations of the beam relative to the radiation emitter in a first reference frame, and wherein at least some of the varied discernable properties are respectively indicative of discrete orientations respectively corresponding to orientations of the beam relative to the radiation emitter in a second reference frame;wherein the radiation receiver is adapted to receive at least a portion of the emitted radiation and output a signal to the signal processor indicative of one or more of the discernable properties of the received radiation;wherein the signal processor is adapted to process the outputted signal and identify a first virtual orientation indicative of an orientation of the receiver relative to the radiation emitter when at least a portion of the radiation was received by the receiver;wherein the signal processor is adapted to analyze a first outputted signal from the receiver, the first outputted signal being indicative of a first discernable property of the received radiation indicative of a first discrete orientation corresponding to a first orientation of the beam relative to the radiation emitter in the first reference frame at the time that the radiation was received, and wherein the signal processor is adapted to analyze a second outputted signal from the receiver, the second outputted signal being indicative of a second discernable property of the received radiation indicative of a second discrete orientation corresponding to a second orientation of the beam relative to the radiation emitter in the second reference frame at the time that the radiation was received; andwherein the signal processor is adapted to identify a virtual location of the receiver relative to the radiation emitter based on the analysis of the first and second outputted signals. 3. A method of positioning a radiation receiver, comprising: positioning a radiation receiver proximate a refueling aircraft, the radiation receiver and the refueling aircraft being airborne;scanning a focused optical elongated beam from a radiation emitter onboard the refueling aircraft over a positioning area a defined distance from the radiation emitter in a two-pass manner;modulating a signal carried on the beam as the beam is scanned over the positioning area in a manner corresponding to positions of the beam within the positioning area;receiving the optical beam carrying the modulated signal with the radiation receiver; andanalyzing the modulation of the signal carried on the received optical beam to determine a position within the positioning area of the radiation receiver at the time the radiation was received. 4. The method of claim 3, further comprising receiving the optical beam scanned in a first pass of the two-pass scan and receiving the optical beam scanned in a second pass of the two-pass scan and comparing the beams received in the first pass and the second pass and determining the position of the receiver within the positioning area based on a correspondence of position of the beams within the positioning area of the beams. 5. The method of claim 3, further comprising receiving the optical beam scanned in a first pass of the two-pass scan and receiving the optical beam scanned in a second pass of the two-pass scan and comparing the beams received in the first pass and the second pass and determining the position of the receiver within the positioning area based on a correspondence of position of the received beams within the positioning area. 6. The method of claim 3, further comprising actively controlling an airborne object attached to the radiation receiver to maintain a substantially fixed position of the radiation receiver relative to the radiation emitter based on the determined position within the positioning area of the radiation receiver. 7. The method of claim 3, wherein the radiation receiver is attached to a refueling device extended from the refueling aircraft. 8. The method of claim 3, further comprising: positioning a second radiation receiver proximate the refueling aircraft, the second radiation receiver being airborne;receiving the optical beam carrying the modulated signal with the second receiver; andanalyzing the modulation of the signal carried on the received optical beam to determine a position within the positioning area of the second receiver at the time the radiation was received. 9. The method of claim 8, wherein the first and second radiation receivers are proximate the refueling aircraft at the same time. 10. The method of claim 3, further comprising: scanning a second focused optical elongated beam from a second radiation emitter onboard the refueling aircraft over a second positioning area a respective defined distance from the radiation emitter;modulating a signal carried on the second beam as the second beam is scanned over the second positioning area in a manner corresponding to positions of the second beam within the second positioning area;receiving the second optical beam carrying the second modulated signal; andanalyzing the modulation of the second signal carried on the received second optical beam to determine a position within the second positioning area of a location where the second radiation was received at the time the second radiation was received. 11. The method of claim 3, further comprising: scanning a second focused optical elongated beam from a second radiation emitter onboard the refueling aircraft over a second positioning area a defined distance from the radiation emitter;modulating a signal carried on the second beam as the second beam is scanned over the second positioning area in a manner corresponding to positions of the second beam within the second positioning area;receiving the second optical beam carrying the second modulated signal; andanalyzing the modulation of the second signal carried on the received second optical beam to determine a position within the second positioning area of a location where the second radiation was received at the time the second radiation was received. 12. A method of positioning an airborne object relative to a refueling aircraft, comprising: executing the actions of claim 3; andvarying the position of the airborne object based on the determined position of the receiver within the positioning system to adjust a position of the airborne object relative to the refueling aircraft. 13. The method of claim 12, wherein the airborne object is another aircraft. 14. A method of positioning an airborne object relative to a refueling aircraft, comprising: executing the actions of claim 3; andautomatically varying the position of the airborne object based on the determined position of the receiver within the positioning system to automatically adjust a position of the airborne object relative to the refueling aircraft. 15. The method of claim 14, wherein the airborne object is an autonomous drone. 16. The method of claim 14, wherein the airborne object is a refueling drogue. 17. The method of claim 14, wherein the airborne object is another aircraft. 18. An aerial refueling system comprising: an aerial refueling device adapted to transfer fuel to a receiver aircraft extendable from a refueling aircraft; andan aerial refueling device positioning system, the aerial refueling device positioning system including a radiation emitter, a radiation receiver and a signal processor;wherein the radiation emitter is adapted to direct a focused optical elongated beam of radiation to a positioning area a defined distance from the radiation emitter and scan the focused optical elongated beam over the positioning area in a dual-pass manner, the radiation carrying a modulated location signal containing information corresponding to positions within the positioning area,wherein the radiation receiver is adapted to receive at least a portion of the emitted radiation carrying the modulated signal and output a signal to the signal processor indicative of the modulation of the location signal of the received radiation; andwherein the signal processor is adapted to process the outputted signal and identify a position within the positioning area indicative of the location in the positioning area of the received radiation. 19. An aerial refueling system comprising: an aerial refueling device; andan aerial refueling device positioning system, the aerial refueling device positioning system including a radiation emitter, a radiation receiver, and a signal processor;wherein the radiation emitter is adapted to direct a focused optical beam of emitted radiation modulated with digital data blocks, the modulated digital data blocks respectively indicative of discrete orientations respectively corresponding to orientations of the beam relative to the radiation emitter to an area away from the radiation emitter, the radiation including discernable properties that vary in a corresponding manner with varying orientation of the beam of radiation with respect to the radiation emitter;wherein the radiation receiver is adapted to receive at least a portion of the emitted radiation and output at least a first signal to the signal processor indicative of one or more of the discernable properties of the received radiation; wherein at least some of the varied discernable properties are respectively indicative of discrete orientations respectively corresponding to orientations of the beam relative to the radiation emitter in a first reference frame, and wherein at least some of the varied discernable properties are respectively indicative of discrete orientations respectively corresponding to orientations of the beam relative to the radiation emitter in a second reference frame; andwherein the signal processor is adapted to analyze a first outputted signal from the receiver, the first outputted signal being indicative of a first discernable property of the received radiation indicative of a first discrete orientation corresponding to a first orientation of the beam relative to the radiation emitter in the first reference frame at the time that the radiation was received, and wherein the signal processor is adapted to analyze a second outputted signal from the receiver, the second outputted signal being indicative of a second discernable property of the received radiation indicative of a second discrete orientation corresponding to a second orientation of the beam relative to the radiation emitter in the second reference frame at the time that the radiation was received; andwherein the signal processor is adapted to identify a virtual location of the receiver relative to the radiation emitter based on the analysis of the first and second outputted signals. 20. A method of positioning an aerial refueling device, comprising: extending an aerial refueling device from a refueling aircraft;scanning a focused optical elongated beam from a radiation emitter onboard the refueling aircraft over a positioning area a defined distance from the radiation emitter in a two-pass manner;modulating a signal carried on the beam as the beam is scanned over the positioning area in a manner corresponding to positions of the beam within the positioning area;receiving the optical beam carrying the modulated signal with a receiver on aerial refueling device; andanalyzing the modulation of the signal carried on the received optical beam to determine a position within the positioning area of the receiver at the time the radiation was received. 21. The method of claim 20, further comprising receiving the optical beam scanned in a first pass of the two-pass scan and receiving the optical beam scanned in a second pass of the two-pass scan and comparing the beams received in the first pass and the second pass and determining the position of the receiver within the positioning area based on a correspondence of position of the beams within the positioning area of the beams.
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