Fig. 1. Schematic diagram of pulsed CDWL system with coded modulation

Fig. 2. Demodulation process in digital domain

Fig. 3. Comparison of PSD of spread spectrum components for different modulation formats

Fig. 4. Simulation results of normalized PSD and estimated radial wind velocity. (a) 300 ns non-coded; (b) BPSK; (c) MSK; (d) normalized PSD at 270 m

Fig. 5. Wind velocity estimation performance for different pulses. (a) SD curves; (b) RMSE curves

Fig. 6. Wind velocity estimation curves for non-coded pulse and MSK coded pulse

Fig. 7. Experimental result of normalized PSD and estimated radial wind velocity. (a) BPSK; (b) MSK

Fig. 8. Experimental result of radial wind velocity during continuous detection. (a)‒(d) Four detections at 0.8 s intervals; (e) SD of wind velocity estimation (unbiased)