RADAR ALTIMETER WITH FORWARD LOOKING RADAR AND DATA TRANSFER CAPABILITIES
First Claim
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1. A navigation system having a radar altimeter, comprising:
- a signal processing unit;
one or more antennas in operative communication with the radar altimeter and the signal processing unit;
a forward looking radar communicatively coupled to the radar altimeter; and
wherein the forward looking radar and the signal processing unit are configured to provide forward looking radar measurements, radar altitude measurements from the radar altimeter, and datalink communications within a single forward looking radar scanning sequence.
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Abstract
A navigation system having a radar altimeter is disclosed. The navigation system comprises a signal processing unit and one or more antennas in operative communication with the radar altimeter and the signal processing unit. The system further comprises a forward looking radar communicatively coupled to the radar altimeter. The forward looking radar and the signal processing unit are configured to provide forward looking radar measurements, radar altitude measurements from the radar altimeter, and datalink communications within a single forward looking radar scanning sequence.
37 Citations
20 Claims
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1. A navigation system having a radar altimeter, comprising:
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a signal processing unit; one or more antennas in operative communication with the radar altimeter and the signal processing unit; a forward looking radar communicatively coupled to the radar altimeter; and wherein the forward looking radar and the signal processing unit are configured to provide forward looking radar measurements, radar altitude measurements from the radar altimeter, and datalink communications within a single forward looking radar scanning sequence. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for providing an aircraft with datalink communications and forward looking radar navigation, the method comprising:
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initializing a forward looking radar scan on an electronic navigation device associated with the aircraft, the electronic navigation device having at least a datalink communications transceiver, a radar altimeter, and a forward looking radar; determining at least one operating state for the forward looking radar scan; and when the forward looking radar scan is in an inactive state, performing at least one of an altitude measurement of the aircraft and a datalink communications transfer between the aircraft and at least one datalink source. - View Dependent Claims (12, 13, 14, 15)
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16. An apparatus for aircraft navigation and communications data transfer, the apparatus comprising:
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means for initializing a forward looking radar scan on an electronic navigation device of an aircraft, the electronic navigation device having at least a datalink communications transceiver and a forward looking radar; means, responsive to the means for initializing, for determining at least one operating state of the forward looking radar scan; and means, responsive to the means for initializing and the means for determining, for continually receiving at least one of forward looking radar measurements and communications data within at least one inactive period of a scan interval of the forward looking radar scan. - View Dependent Claims (17, 18, 19, 20)
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Specification