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Performance Analysis And Technical Assessment Of Coherent Lidar Systems For Airborne Wind Shear Detection

ROBERT M. HUFFAKER, Russell Targ

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Abstract

The feasibility of using a pulsed coherent lidar for an on-board airline wind shear monitoring system was studied using detailed computer simulations of the lidar wind measuring process. Lidar performance was studied using NASA-LaRC-provided data fields of an actual microburst event that occurred on August 2, 1985 at the Dallas-Ft. Worth International Airport. Both CO2 and Ho:YAG lidar systems performed well in the dry micro-burst test case. Both lidar systems are able to measure wind shear in the severe weather of the wet microburst to ranges greater than 1.4 km giving minimum warning times of approximately 15 sec.

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What this paper is about

The feasibility of using a pulsed coherent lidar for an on-board airline wind shear monitoring system was studied using detailed computer simulations of the lidar wind measuring process. Lidar performance was studied using NASA-LaRC-provided data fields of an actual microburst event that occurred on August 2, 1985 at the Dallas-Ft. Worth International Airport. Both CO2 and Ho:YAG lidar systems performed well in the dry micro-burst test case. Both lidar systems are able to measure wind shear in the severe weather of the wet microburst to ranges greater than 1.4 km giving minimum warning times of approximately 15 sec.

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Available abstract

The feasibility of using a pulsed coherent lidar for an on-board airline wind shear monitoring system was studied using detailed computer simulations of the lidar wind measuring process. Lidar performance was studied using NASA-LaRC-provided data fields of an actual microburst event that occurred on August 2, 1985 at the Dallas-Ft. Worth International Airport. Both CO2 and Ho:YAG lidar systems performed well in the dry micro-burst test case. Both lidar systems are able to measure wind shear in the severe weather of the wet microburst to ranges greater than 1.4 km giving minimum warning times of approximately 15 sec.

Key concepts: Lidar, Wind shear, Microburst, Remote sensing, Environmental science, Ranging, Meteorology, Wind profiler

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