利用FPGA实现FMCW雷达精确频谱计算的缩放FFT

Proceedings of the 2013 9th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME) Pub Date : 2013-06-24 DOI:10.1109/PRIME.2013.6603180

B. Al-Qudsi, N. Joram, A. Strobel, F. Ellinger

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引用次数: 8

摘要

变焦FFT (ZFFT)已经应用于各种数字信号处理系统中，当需要在信号整体频率范围的一小部分内获得良好的频谱分辨率时，使用它。它已经在不同的领域和不同的应用中实现。本文提出了一种利用现场可编程门阵列(FPGA)实现ZFFT方法估计FMCW雷达频谱峰值的方法。它已被用于降低计算复杂度，从而降低功耗。该方法已在某FMCW雷达处理系统上实现，复杂度降低系数高达8。

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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Zoom FFT for precise spectrum calculation in FMCW radar using FPGA

The zoom FFT (ZFFT) has been utilized in various digital signal processing systems, it is used when a fine spectral resolution is needed within a small portion of a signal's overall frequency range. It has been implemented in different fields and for different applications. This paper presents an implementation method of the ZFFT approach to estimate the spectral peak in the FMCW radar using a field programmable gate arrays (FPGA). It has been utilized to decrease the calculations complexity, hence, reduction the power consumption. The approach has been realized and a complexity reduction factor of up to 8 has been gained and tested on an FMCW radar processing system.

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Proceedings of the 2013 9th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

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