Fig. 1. Autocorrelation function of Golay complementary. (a) Autocorrelation function of A Golay codes;(b) autocorrelation function of B Golay codes; (c) autocorrelation function sum of A and B Golay codes

Fig. 2. 8 bit coding sequence emission diagram

Fig. 3. Decoding flow chart

Fig. 4. Signal simulation of coherent lidar in time domain based on sinusoidal wind model and power spectra at different range gates. (a) Ideal sinusoidal wind velocity; (b) coherent lidar time-domain signal simulation; (c)-(e) power spectra at 0.3, 1.5, 3.0 km

Fig. 5. Spectra based on single-pulse accumulation technique and pulse coding technique. (a) Spectrum with cumulative single-pulse in single group coding time; (b) spectrum with 64-bit pulse coding in single group coding time

Fig. 6. Wind velocity inversion results based on pulse coding technique and single pulse accumulation technique and wind velocity error map. (a) Wind velocity with cumulative single-pulse in single group coding time; (b) wind velocity with pulse coding in single group coding time; (c) wind velocity errors

Fig. 7. Spectral maps and wind velocity inversion results based on pulse coding and single pulse accumulation technique of different wind velocity models. (a) Linear wind cumulative average spectrum; (b) pulse coded spectrum; (c) linear wind velocity inversion; (d) NASA gust cumulative average spectrum; (e) NASA gust pulse coded spectrum; (f) NASA gust wind velocity inversion