现代功率谱估计在雷达测速中的试验验证

Research on Modern Power Spectral Estimation on Radar Velocity Measurement

雷达测速在轨道交通中应用相当广泛,其中测速算法是系统的关键。介绍了经典功率谱估计法与现代功率谱估计法的相关内容,并对后者进行了重点阐述。通过在Matlab中仿真并观察分析信号的波形和功率谱,验证了理论的可行性。最终成功在实物上运行算法,对雷达传感器的输出信号进行分析并测得速度信号。

Radar velocity measurement was widely used in the rail transit,while the algorithm was the key to the system.Relevant contents of the classical power spectral estimation and modern power spectral estimation were introduced,the latter was expounded emphatically.Through the simulation with Matlab,and by observing and analyzing signal waveform and power spectrum,the feasibility of the theory was verified.At last,the algorithm was successfully run on target object to measure the velocity by analyzing the radar sensor output signal.