汽车多普勒速度计

Proceedings of VNIS '93 - Vehicle Navigation and Information Systems Conference Pub Date : 1993-10-12 DOI:10.1109/VNIS.1993.585683

W. Kleinhempel

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引用次数: 13

摘要

配备电子控制全轮驱动、防堵系统或防滑控制系统的汽车需要速度传感器来测量地面上的真实速度(TSOG)。通过比较车轮速度和TSOG值，可以得到堵塞率和打滑率的信息。提出了一种基于毫米波前端和基带信号数字化处理的TSOG多普勒雷达传感器。对于多普勒频率的估计，采用了基于传感器模型的后处理算法扩展的基于fft的方法。测试结果表明，即使在恶劣的环境条件下，系统也具有良好的性能。

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Automobile Doppler speedometer

Cars with electronically controlled all-wheel drive, antiblocking systems or anti slip control require speed sensors, measuring true speed over ground (TSOG). By comparing wheel speed and TSOG value, information about blocking or slipping rates is obtained. A Doppler radar sensor for TSOG measurements is presented, based on millimeter-wave frontends and digital processing of baseband signals. For the estimation of the Doppler frequency an FFT-based method extended by sensor-model-based algorithms for postprocessing is used. Measurement results are given, showing excellent system performance even under adverse environmental conditions.

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来源期刊

Proceedings of VNIS '93 - Vehicle Navigation and Information Systems Conference

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