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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >Doppler and direction-of-arrival (DDOA) radar for multiple-mover sensing
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Doppler and direction-of-arrival (DDOA) radar for multiple-mover sensing

机译：多普勒和到达方向（DDOA）雷达，用于多运动感应

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摘要

A low-cost two-element receiving array concept is investigated for detecting multiple moving targets in indoor surveillance applications. Conventional direction-of-arrival (DOA) detection requires the use of an antenna array with multiple elements. Here we investigate the use of only two elements in the receiver array. The concept entails resolving the Doppler frequencies of the returned signals from the moving targets, and then measuring the phase difference at each Doppler frequency component to calculate the DOA of the targets. Simulations are performed to demonstrate the concept and to asses the DOA errors for multiple movers. An experimental system is designed and constructed to test the concept. The system consists of a two-element receiver array operating at 2.4 GHz. Measurement results of human subjects in indoor environments are presented, including through-wall scenarios.
机译：研究了一种低成本的两元素接收阵列概念，用于检测室内监视应用中的多个移动目标。传统的到达方向（DOA）检测需要使用具有多个元素的天线阵列。在这里，我们研究了接收器阵列中仅两个元素的使用。该概念需要解析从运动目标返回的信号的多普勒频率，然后在每个多普勒频率分量处测量相位差，以计算目标的DOA。执行仿真以演示该概念并评估多个推动器的DOA错误。设计并构建了一个实验系统来测试该概念。该系统由工作在2.4 GHz的两元素接收器阵列组成。介绍了室内环境中人类对象的测量结果，包括穿墙场景。

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