Terrain awareness system with false alert suppression
First Claim
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1. A terrain avoidance system, comprising:
- electronics for receiving radar returns and providing terrain alerts or warnings in response to the radar returns; and
a database configured to store at least one of terrain information and weather information,wherein the electronics receive the at least one of terrain information and weather information from the database and utilize the at least one of terrain information and weather information to suppress at least one of the terrain alerts and warnings.
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Abstract
A terrain awareness and warning system includes electronics for receiving radar returns and providing terrain and/or obstacle alerts or warnings in response to the radar returns. The electronics receives information from a database and the information is utilized to suppress false alerts or warnings.
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Citations
21 Claims
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1. A terrain avoidance system, comprising:
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electronics for receiving radar returns and providing terrain alerts or warnings in response to the radar returns; and a database configured to store at least one of terrain information and weather information, wherein the electronics receive the at least one of terrain information and weather information from the database and utilize the at least one of terrain information and weather information to suppress at least one of the terrain alerts and warnings. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of suppressing an alert or warning from a terrain awareness system, the method comprising:
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receiving a first radar return; processing the first radar return to determine a presence of a terrain or obstacle requiring an alert or warning; retrieving information comprising at least one of terrain information from a terrain database and weather information from a non-weather radar source; and suppressing the alert or warning if the information indicates that the determined presence of the terrain or obstacle was due to a false detection. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A terrain avoidance system, comprising:
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processing means for receiving radar returns and for providing terrain alerts or warnings in response to the radar returns; and data storage means for storing at least one of terrain information and weather information, wherein the processing means receives the at least one of terrain information and weather information from the data storage means and utilizes the at least one of terrain information and weather information to determine whether the alerts or warnings should be suppressed; and wherein the processing means suppresses the terrain alerts or warnings when the processing means determines that the alerts or warnings should be suppressed. - View Dependent Claims (18, 19, 20, 21)
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Specification