A 24 GHz SIMO radar tachymeter for precise transponder localization

2015 IEEE MTT-S International Microwave Symposium Pub Date : 2015-05-17 DOI:10.1109/MWSYM.2015.7166814

Christoph Reustle, D. Shmakov, M. Vossiek

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引用次数: 7

Abstract

A tachymeter is a device that measures angle and distance to a cooperative target. Optical tachymeters are well established but they have shortcomings under harsh environmental conditions such as dense smoke, fog, dust, rain or snow. As a robust alternative, we developed an innovative radar tachymeter for precise and highly reliable operation. This device is a 24 GHz single-input and multiple-output radar system with a frequency-modulated continuous-wave secondary radar base station that measures the distance to a cooperative responder unit. The synthesizer is optimized for low phase noise and features highly linear frequency modulation for high-precision ranging. The radar system incorporates a sparse antenna array with 1 transmit and 8 receive channels. Angle and range are precisely estimated with a spatial optimal filter algorithm and a dedicated synchronization concept implemented on a compact embedded platform. The developed radar tachymeter has been tested in indoor scenarios as well as on a truck-mounted crane. The measurement campaigns showed that the root-mean square errors are as low as 0.1° and 1 cm, for angle and range respectively.

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一个24 GHz的SIMO雷达测速仪，用于精确的应答器定位

速测仪是一种测量与合作目标之间的角度和距离的装置。光学测速仪已经很成熟，但在恶劣的环境条件下，如浓烟、雾、灰尘、雨或雪，它们有缺点。作为一个强大的替代方案，我们开发了一种创新的雷达测速仪，用于精确和高度可靠的操作。该设备是一个24 GHz单输入多输出雷达系统，具有调频连续波二次雷达基站，可测量到协作响应单元的距离。该合成器针对低相位噪声进行了优化，并具有用于高精度测距的高度线性调频功能。该雷达系统采用具有1个发射信道和8个接收信道的稀疏天线阵列。角度和距离的精确估计与空间最优滤波算法和专用的同步概念实现在一个紧凑的嵌入式平台。开发的雷达测速仪已经在室内场景以及车载起重机上进行了测试。测量活动表明，角度和范围的均方根误差分别低至0.1°和1 cm。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 IEEE MTT-S International Microwave Symposium

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