Honeywell International Inc.

Gloria Logan

Paul E Christianson

Brennan Kilty

Jeffrey A Hester

Dawn M Gidner

This disclosure is directed to techniques, methods, devices, and systems for generating a two-dimensional weather map based on three-dimensional volumetric weather data that incorporates enhanced weather analysis techniques applied to weather radar data. An example method includes generating, by a computing system comprising one or more processors, a two-dimensional weather map based at least in part on three-dimensional volumetric weather data for a volume of airspace, wherein the two-dimensional weather map indicates levels of convection and levels of risk of other hazardous weather applicable to the volume of airspace. The method further includes outputting, by the computing system, the two-dimensional weather map for transmission to a receiving system.

Enhanced weather radar mapping

Signal compensation systems and methods compensate an estimated range profile from a plurality of detected signal returns from a true range profile, wherein the signal returns correspond to an emitted stepped frequency pulse-train. An exemplary embodiment utilizes knowledge of the radar system design to identify locations, predict power levels, and suppress the contributions of stepped-frequency range sidelobes (ambiguous peaks) in the estimated range profile, resulting in a cleaner and more accurate radar display.

Systems and methods for suppressing ambiguous peaks from stepped frequency techniques

Marine radar systems and methods for producing low power, high resolution range profile estimates. Non-linear Frequency Modulation (NLFM) pulse compression pulses are frequency stepped to form a low power, wide-bandwidth waveform. Periodically, calibration filters are determined and applied to return signals for correcting non-ideal effects in the radar transmitter and receiver.

Marine radar systems and methods

A system, method, and computer program product that performs self-calibration of pulse-compression radar signals. The system includes an antenna, a receiver, a transmitter, and a radar signal processor. Under normal (non-calibration) operation the radar transmitter generates a pulse compression waveform and transmits it via the antenna. Any reflections from this waveform are detected by the same antenna and processed by the receiver. The received radar signal then undergoes pulse compression followed by more mode-specific processing (windshear, weather, ground map, etc.) by the radar processor. During calibration, the radar transmitter generates a similar pulse compression waveform (i.e., calibration pulses), but the calibration pulses bypass the antenna and go directly to the receiver via a 'calibration path' built into the hardware. The resulting calibration pulses are used to generate a calibration filter. The calibration filter is applied to the received radar signals in the frequency domain either before or after pulse compression.

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Woodinville, WA, United States of America

Gloria Logan