基于数字多普勒处理器的x波段FMCW雷达设计

Satyam Kumar, A. Raj
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引用次数: 6

摘要

雷达是一种用于探测和定位目标的电磁传感器。基于FPGA的x波段FMCW雷达系统将采用数字多普勒处理器,用于目标探测、定位、多普勒处理、速度计算和合成孔径雷达(SAR)/逆SAR (ISAR)成像等。该雷达是一种地面固定弹道雷达,它以可变脉冲重复频率(PRF)传输扫描频率。从目标返回的被称为回波的信号被处理以找到关于它们的位置和速度的信息。离散射频组件将用于发送和接收链。硬件解决方案基于Xilinx FPGA板,负责雷达系统的控制和接收信号的数字信号处理,涉及恒定虚警率(CFAR)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of X-Band FMCW Radar Using Digital Doppler Processor
RADAR is an electromagnetic sensor used to detect and locate the target. An FPGA based X-band FMCW radar system will be built with digital Doppler processor and used for detection of target, localization, Doppler processing, velocity calculation and Synthetic Aperture Radar (SAR)/Inverse SAR (ISAR) imaging etc. This radar is a ground based stationary ballistic radar, which transmits a sweep of frequency with a variable Pulse Repetition Frequency (PRF). Return signals called as echo from the target is processed to find the information about their location and velocity. Discrete RF components will be used in the transmitter and receiver chains. The hardware solution is based on Xilinx FPGA board which is responsible for the control of radar system and the digital signal processing of the received signal that involves a Constant False Alarm Rate (CFAR).
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