Guangfu Li, Gangyang Nan, Dongyang Pan, Xue Bai, Shuai Liu, Zhihui Sun. Research on signal acquisition and processing of lidar wind measurement system[J]. Infrared and Laser Engineering, 2021, 50(S2): 20210467
- Infrared and Laser Engineering
- Vol. 50, Issue S2, 20210467 (2021)
Fig. 1. Schematic diagram of lidar wind measurement system
Fig. 2. Block diagram of signal acquisition and processing and data transmission module
Fig. 3. Timing simulation diagram under stream mode and block floating-point structure
Fig. 4. Architecture diagram of cumulative average algorithm
Fig. 5. Cumulative state transition diagram
Fig. 6. Lidar wind measurement system
Fig. 7. Frequency spectrum of single echo signal
Fig. 8. Frequency spectrum of 1 024 cumulative average echo
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Table 1. Parameter calibration of main components of lidar wind measurement system
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Table 2. Performance indicators of wind measurement system
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Table 3. Resource occupancy rate of FPGA
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