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Light Detection And Ranging(LIDAR) Frequency Modulated Continuous Wave(FMCW) Real-Time Optical Frequency Modulated Signal Optical Phase-Locked Loop Beat Frequency Reflected Signals Signal-To-Noise High Speed Detection Speed Signal Noise Ratio(SNR) Wide Fov Wide Field Distance Information Swept Source Spectral Modulation Velocity Information Laser Source Wide Range Lidar System Large Area Power Amplifiers(PAs) Spectral Resolution Mach-Zehnder Interferometer(MZI) High Snr Speed Detection Field Of View(FoV) Situ Method Beat Signal Modulation Bandwidth Delay Line Optical Hybrid Extraction Technique Frequency Sweep Local Oscillator Performance Monitoring Active Area Fiber-Based Injection Current Spectral Linewidth Frequency Modulation(FM) Highly Accurate Driving Current External Cavity Diode Laser Loop Configuration Linewidth Measurement Short-Delay Frequency-Modulated Laser Frequency Detection Master Oscillator Power Amplifier Accurate Distance Transmitter And Receiver Junction Capacitance In-Situ Measurement Target Value Phase Error Frequency Deviation Traditional Methods Self-Heterodyne Technique Phase Noise