The invention discloses a radar imaging method and device for an automobile, and relates to the field of automobile radars, the radar imaging device comprises a base, the upper side of the base is provided with a cylindrical protection barrel, the upper side of the cylindrical protection barrel is provided with a containing cavity, the bottom wall of the containing cavity is provided with an air cylinder, and the telescopic end of the air cylinder is connected with a base; the base is slidably nested in the accommodating cavity, a laser radar assembly is arranged above the base, the laser radar assembly comprises a shell, a processing module, a transmitting module and a receiving module are nested in the shell, and the wavelet denoising module comprises a wavelet multi-scale decomposition unit. And the output end of the wavelet multi-scale decomposition unit is connected with a multi-scale wavelet coefficient processing unit. By arranging the wavelet denoising module, the wavelet denoising module can process noise in echo signals, low-pass filtering is carried out on the signals, meanwhile, the characteristics of original actual signals are reserved, the ranging accuracy is improved, and the imaging precision is improved.
本发明公开了一种用于汽车的雷达成像方法及装置,涉及汽车雷达领域,包括底座,所述底座的上侧设置有圆柱防护筒,所述圆柱防护筒的上侧开设有容纳腔,所述容纳腔的底部壁安装有气缸,所述气缸的伸缩端连接有基座,所述基座滑动嵌套在容纳腔内,所述基座的上方设置有激光雷达组件,所述激光雷达组件包括外壳,所述外壳的内部嵌套有处理模块、发射模块和接收模块,所述小波去噪模块包括小波多尺度分解单元,所述小波多尺度分解单元的输出端连接有多尺度小波系数处理单元。本发明通过设置有小波去噪模块,小波去噪模块能够对回波信号中的噪音进行处理,对信号进行低通滤波同时还保留原实际信号的特性,提高了测距的精确度,提高了成像精度。
Radar imaging method and device for automobile
一种用于汽车的雷达成像方法及装置
28.06.2022
Patent
Elektronische Ressource
Chinesisch
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