Weather radar system and method for detecting a high altitude crystal cloud condition
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01S-013/95
B64D-015/20
출원번호
US-0206239
(2014-03-12)
등록번호
US-9864055
(2018-01-09)
발명자
/ 주소
Sishtla, Venkata A.
Robertson, Roy E.
Dana, Roger A.
Kronfeld, Kevin M.
Koenigs, Gregory J.
Finley, Jeffery A.
출원인 / 주소
Rockwell Collins, Inc.
대리인 / 주소
Suchy, Donna P.
인용정보
피인용 횟수 :
0인용 특허 :
206
초록▼
The hazard warning system that included processing system for detecting a high altitude ice crystal (HAIC) or HAIC cloud (HAIC2) condition. The aircraft warning system can use an inferred detected process or a non-inferred detection process. Warnings of high altitude ice crystal conditions can allow
The hazard warning system that included processing system for detecting a high altitude ice crystal (HAIC) or HAIC cloud (HAIC2) condition. The aircraft warning system can use an inferred detected process or a non-inferred detection process. Warnings of high altitude ice crystal conditions can allow an aircraft to avoid threats posed by HAIC or HAIC2 conditions including damage to aircraft equipment and engines.
대표청구항▼
1. An aircraft hazard warning system, comprising: a processing system for detecting a presence of at least one of a high altitude ice crystal (HAIC) or HAIC cloud (HAIC2) condition, the processing system being configured to cause a radar antenna to produce radar beams and receive radar returns assoc
1. An aircraft hazard warning system, comprising: a processing system for detecting a presence of at least one of a high altitude ice crystal (HAIC) or HAIC cloud (HAIC2) condition, the processing system being configured to cause a radar antenna to produce radar beams and receive radar returns associated with a region at high altitude, the processing system being configured to process radar return data associated with the radar returns and to detect the presence of the at least one of the HAIC or HAIC2 condition, wherein the processing system further comprises a first coherent integrator, a second coherent integrator, an amplitude detector, and a non-coherent integrator, wherein the processing system performs:a coherent and non-coherent integration process to detect the presence, wherein the coherent and non-coherent integration process coherently integrates I return values associated with the radar return data in the first coherent integrator and Q return values associated with the radar return data in the second coherent integrator to produce integrated I values and integrated Q values, wherein combined amplitude values for a combination of the integrated I values and the integrated Q values are provided by the amplitude detector, wherein the combined amplitude values are non-coherently integrated by the non-coherent integrator to provide non-coherent integration values that are compared to a threshold, wherein if the non-coherent integration values are below the threshold, an HAIC or HAIC2 condition is not detected and if the non-coherent integration values are above the threshold, further processing is performed to detect the HAIC or HAIC2 condition. 2. The aircraft hazard warning system of claim 1, wherein the processing system is configured to receive sensor data from at least one sensor and the processing system uses inferred detection of the at least one of the HAIC or HAIC2 condition using the radar return data and the sensor data. 3. The aircraft hazard warning system of claim 2, wherein the inferred detection of the at least one of the HAIC or HAIC2 condition comprises detecting temperature anomalies and large areas of weaker convection in a vicinity of a convective core. 4. The aircraft hazard warning system of claim 3, wherein the inferred detection comprises additional scans of the radar beams in the large areas to sense areas of high water content beneath areas of lower reflectivity. 5. The aircraft hazard warning system of claim 1, wherein the processing system receives information from sensors on board an aircraft associated with the aircraft hazard warning system or from a source remote from the aircraft, the information indicating an area of the HAIC or HAIC2 condition or a potential HAIC or HAIC2 condition, wherein the processing system directs a weather radar system on board the aircraft to scan the area. 6. The aircraft hazard warning system of claim 1, wherein the processing system determines the at least one of the HAIC or HAIC2 condition using a pulse detection process and the pulse detection process uses the coherent and non-coherent integration process. 7. The aircraft hazard warning system of claim 5, wherein the processing system comprises an IQ demodulator. 8. The aircraft hazard warning system of claim 1, wherein the processing system is configured to cause the HAIC or HAIC2 condition to be displayed on a weather radar display. 9. The aircraft hazard warning system of claim 8, wherein the processing system is configured to cause a warning of the HAIC or HAIC2 condition to be provided corresponding to its size and location correlated on the weather radar display. 10. The aircraft hazard warning system of claim 9, wherein the warning of the HAIC or HAIC2 condition is provided as a speckled region. 11. A method of providing at least one of a high altitude ice crystal (HAIC) or HAIC cloud (HAIC2) information on an aircraft using an electronic processor, the method comprising: receiving radar reflectivity data;processing the radar reflectivity data to detect a presence of the at least one of the HAIC or HAIC2 condition by using a coherent and non-coherent integration process, wherein the coherent and non-coherent integration process coherently integrates I return values associated with the radar reflectivity data in a first coherent integrator and Q return values associated with the radar reflectivity data in a second coherent integrator to produce integrated I values and integrated Q values, wherein combined amplitude values for a combination of the integrated I values and the integrated Q values are provided by an amplitude detector, wherein the combined amplitude values are non-coherently integrated by a non-coherent integrator to provide non-coherent integration values that are compared to a threshold, wherein if the non-coherent integration values are below the threshold, an HAIC or HAIC2 condition is not detected and if the non-coherent integration values are above the threshold, further processing is performed to detect the HAIC or HAIC2 condition; andproviding at least one of the HAIC or HAIC2 information to a pilot. 12. The method of claim 11, wherein the information of the HAIC condition is provided on a weather radar display. 13. The method of claim 12, wherein the electronic processor is part of an avionic weather radar system and the HAIC2 information is provided on the weather radar display. 14. The method of claim 11, wherein an update rate for the non-coherent integrator is a pulse repetition frequency divided by a number of pulses over which coherent integration is performed by the first and second coherent integrators multiplied by the number of dwells over which non-coherent integration is performed by the non-coherent integrator. 15. The method of claim 11, wherein the radar reflectivity data is processed to identify a region of high water content beneath a region of low radar reflectivity in a vicinity of a core cell to detect the presence of at least one of the HAIC or HAIC2 condition. 16. The method of claim 15, wherein the information of the at least one of the HAIC or HAIC2 condition is provided as a speckled region on a plan view display or a vertical situation display. 17. An aircraft weather radar system, comprising: a radar antenna for receiving radar returns; andmeans for determining a high altitude ice crystal (HAIC) or HAIC cloud (HAIC2) condition in response to the radar returns by a coherent and non-coherent integration process, wherein the coherent and non-coherent integration process coherently integrates I return values associated with the radar returns in a first coherent integrator and Q return values associated with the radar returns in a second coherent integrator to produce integrated I values and integrated Q values, wherein combined amplitude values for a combination of the integrated I values and the integrated Q values are provided by an amplitude detector, wherein the combined amplitude values are non-coherently integrated by a non-coherent integrator to provide non-coherent integration values that are compared to a threshold, wherein if the non-coherent integration values are below the threshold, an HAIC or HAIC2 condition is not detected and if the non-coherent integration values are above the threshold, further processing is performed to detect the HAIC or HAIC2 condition. 18. The aircraft weather radar system of claim 17, further comprising: a display for providing weather images, the display providing a warning of the HAIC or HAIC2 condition. 19. The aircraft weather radar system of claim 17, wherein a high altitude associated threat (HAAT) is sensed and a warning of the HAAT condition is displayed. 20. The aircraft weather radar system of claim 19, wherein the warning of the HAIC or HAIC2 condition is provided in response to an inferred process using temperature anomalies or a non-inferred process using non-coherent integration.
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이 특허에 인용된 특허 (206)
Cornell, Bill G.; Szeto, Roland Y., 3-D weather buffer display system.
Frosch Robert A. Administrator of the National Aeronautics and Space Administration ; with respect to an invention of ( Pasadena CA) Gary Bruce L. (Pasadena CA), CAT Altitude avoidance system.
Brandao Ruy L. (02 Fort Lauderdale FL) Taylor ; Jr. Robert A. (02 Fort Lauderdale FL) The Bendix Corporation (02 Southfield MI), Data display system having a multilevel video storage device.
D\Addio Egidio (Naples ITX) Farina Alfonso (Rome ITX), Digital processor for radar signals which can perform adaptive suppression of clutter means of a parametric estimator.
Robinson, Paul Aaron; Bowles, Roland L., Estimation, transmission, receipt, and presentation of vehicle specific environmental conditions and hazards information.
Robert A. Kropfli ; Roger F. Reinking ; Bruce W. Bartram ; Sergey Y. Matrosov ; Brooks E. Martner, Icing hazard avoidance system and method using dual-polarization airborne radar.
Kronfeld, Kevin M.; Lapis, Mary Beth; Walling, Karen L.; Chackalackal, Mathew S., Method and apparatus for identification of hazards along an intended travel route.
Conner Kevin J ; Kuntman Daryal ; Morici Martin M. ; Hammack Stephen D. ; Joyce Jim, Method and apparatus for implementing automatic tilt control of a radar antenna on an aircraft.
Daniel L. Woodell ; Roy E. Robertson ; Ying C. Lai, Method and system for detecting turbulence with reduced errors resulting from vertical shear components.
Costes, Clémentine; Bon, Nicolas; Artis, Jean-Paul; Mesnard, Frédéric; Pujol, Olivier; Sauvageot, Henri, Method of characterizing the convection intensity of a cloud, by a meteorological radar.
Jordan James R. (1842 Joliet Way Boulder CO 80303) Chadwick Russell B. (4371 N. 63rd St. Boulder CO 80301), Process for generating wind profiler data free of fixed ground clutter contamination.
Baron, Sr., Robert O.; Wilson, Gregory S.; Phillips, Ronald J.; Thompson, Tom S.; Davis, Brian Patrick, Real-time three-dimensional weather data processing method and system.
Churnside James H. (Boulder CO) Clifford Steven F. (Boulder CO) Hanson Steen G. (Fakse DKX), Single-ended dual spatial filter detector for the passive measurement of winds and turbulence aloft.
Woodell, Daniel L.; Robertson, Roy E.; Meyer, Nathanael A.; Koenigs, Gregory J.; Sishtla, Venkata A., System and method for using a radar to estimate and compensate for atmospheric refraction.
Gordon Andrew A. (5193 Woodley Ave. Encino CA 91436), System for detecting and viewing aircraft-hazardous incidents that may be encountered by aircraft landing or taking-off.
Masuda Yoshihisa (Musashino JPX) Inuki Hisao (Higashi-Murayama JPX) Takahashi Kozo (Higashi-Kurume JPX), System for measuring height distributions of atmospheric temperature, wind direction and wind speed.
Rose, Jr.,Bruce L.; Miller,Ian James; Neilley,Peter Paul; Lidrbauch,James J.; Faciane,David Richard; Kleist,Michael R., System for producing high-resolution, real-time synthetic meteorological conditions for a specified location.
Rose, Jr.,Bruce L.; Miller,Ian James; Neilley,Peter Paul; Lidrbauch,James J.; Faciane,David Richard; Kleist,Michael R., System for producing high-resolution, real-time synthetic meteorological conditions for a specified location.
Kirk, James C., Systems and methods for generation of comprehensive airspace weather condition display from shared aircraft sensor data by a transmitting aircraft.
Woodell, Daniel L.; Jinkins, Richard D.; Meyer, Nathanael A.; Rademaker, Richard M.; Dickerson, Charles J., Terrain avoidance system and method using weather radar for terrain database generation.
Woodell,Daniel L.; Robertson,Roy E.; Dickerson,Charles J., Variable loop gain and resolution pulse system and method with point target editing capability.
Paul Aaron Robinson ; Roland L. Bowles, Vehicle specific hazard estimation, presentation, and route planning based on meteorological and other environmental data.
Woodell, Daniel L.; West, James B.; ElSallal, Wajih A.; Mather, John C.; Herting, Brian J., Weather radar system and method using dual polarization antenna.
Wallace E. Kelly ; Timothy W. Rand ; Serdar Uckun ; Corinne C. Ruokangas, Weather radar system integrating ground-based weather radar with on-board aircraft weather radar.
Seitz Thomas E. (Cedar Rapids IA) Pensis John G. (Marion IA) Woodell Daniel L. (Marion IA), Weather radar system with improved display characteristics.
Mathews Bruce D. (Catonsville MD) Mountcastle Paul D. (Columbia MD) Patterson Walter W. (Edgewater MD), Windshear radar system with upper and lower elevation radar scans.
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