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首页> 外文期刊>Journal of Electromagnetic Waves and Applications >Low cost FMCW radar systems with the reduced number of FFT points under indoor environments
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Low cost FMCW radar systems with the reduced number of FFT points under indoor environments

机译:低成本FMCW雷达系统,室内环境下的FFT点数减少

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摘要

In this paper proposed is a cost-efficient signal processing algorithm of a frequency modulation continuous wave (FMCW) radar for the close range under indoor environments. Recently, the use of an FMCW radar has been expanded to short distance from long distance due to easy production and inexpensive designing costs. In order to obtain satisfying resolution of the close range radar, it still requires a wide modulation bandwidth, which results in high costing wideband RF devices. This paper proposes a cost-efficient signal processing method using correlations between a reflected signal in frequencydomain and a lookup table which holds the frequency information depending on distances. The proposed algorithm shows the similar performance to a wideband system just by updating a firmware of low costing narrowband RF FMCW radar devices without additional hardware modification.
机译:本文提出了一种在室内环境下近距离的频率调制连续波(FMCW)雷达的成本有效的信号处理算法。 最近,由于易于生产和廉价的设计成本,使用FMCW雷达的使用从长距离扩展到短距离。 为了获得满足近距离雷达的分辨率,它仍然需要宽的调制带宽,这导致高成本宽带RF器件。 本文提出了一种具有经济高效的信号处理方法,其使用频率域中的反射信号和查找表之间的查找表,其根据距离保持频率信息。 该算法的算法仅通过更新低成本窄带RF FMCW雷达设备的固件而无需额外的硬件修改,对宽带系统显示了类似的性能。

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