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On the Deconvolution of Doppler-Lidar Power Profiles with Zero Spectral Components of the Laser Pulses

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Abstract

A general form of the lidar equation is given by the convolution where F(t) is the lidar return signal at the moment t after the pulse emission, Φ(z′) is the maximum resolved (δ-pulse) lidar profile, S(ϑ) is the pulse power shape normalized to its peak value, c is the speed of light. The TE (TEA) CO2 long pulse lasers used in the coherent Doppler lidars ensure a satisfactory accuracy in the measurement of Doppler velocities. At the same time the range resolution is too low (~ 200-500 m) and an important information about the fine structure of the lidar power profile is lost. A software way to improve the lidar resolution is to invert Eq.(1) with respect to Φ(z′).

© 1995 Optical Society of America

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