Name
Title | ||
|---|---|---|
Distance and Velocity Measurement of Coherent Lidar Based on Chirp Pulse Compression. |
Abstract | ||
|---|---|---|
To explore lidar, which can simultaneously measure the distance and velocity of long-distance targets at high resolution, a coherent lidar system based on chirp pulse compression has been studied. Instead of a conventional acousto-optic modulator (AOM), we used an electro-optic modulator (EOM) to modulate a continuous 1550 nm laser. Using EOM, the resolution of the lidar is higher and the system simpler. The electrical waveform used to modulate the laser is a chirp pulse, which has a sweeping bandwidth of 98 MHz, a duration of 10 mu s, and a pulse repetition rate of 20 kHz. The result of 100 measurements shows that the system may yield accurate information in range, +/- 22 cm, and radial velocity, +/- 1.066 cm/s. |
Year | DOI | Venue |
|---|---|---|
2019 | 10.3390/s19102313 | SENSORS |
Keywords | Field | DocType |
lidar,coherent,distance,velocity,pulse compression | Pulse compression,Radial velocity,Waveform,Optics,Laser,Electronic engineering,Pulse (signal processing),Modulation,Lidar,Chirp,Engineering | Journal |
Volume | Issue | ISSN |
19 | 10 | 1424-8220 |
Citations | PageRank | References |
0 | 0.34 | 0 |
Authors | ||
3 | ||