调频连续波(FMCW)波形设计、真实道路仿真及汽车自适应巡航控制信号处理

2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA) Pub Date : 2021-01-22 DOI:10.1109/ICPECA51329.2021.9362523

Xinyue Wang

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引用次数: 2

摘要

自适应巡航控制系统(ACC)在提高道路情景指示能力和提高自动驾驶应用安全性方面受到广泛关注。基于FMCW雷达的目标检测技术具有较高的分辨率和精度，是ACC系统中主要采用的目标检测技术。从雷达的角度来看，主要目的是观察探测范围内的所有目标，同时估计其距离和相对速度，并为汽车控制系统提供所有目标信息进行进一步处理。本文提出了一种77GHz FMCW雷达系统，该系统采用快速傅里叶变换(FFT)技术进行信号处理，用于检测汽车应用道路场景中的特定目标。详细介绍了FMCW雷达的基本特点，讨论了雷达系统仿真和波形生成过程。对目标的距离-多普勒图等结果在MATLAB中进行了显示。

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Design of the Frequency Modulated Continuous Wave (FMCW) Waveforms, Simulation of the Real Road Scenario and Signal Processing for the Automotive Adaptive Cruise Control

Adaptive Cruise Control (ACC) system has aroused much concern nowadays to increase the ability of road scenario indication and enhance the safety of self-driving application. FMCW radar-based technology is the main technique used in ACC system for target detection due to its high resolution and accuracy. The dominating purpose from radar point of view is to observe all the objects within detection range and estimate their range and relative velocity simultaneously and provide all the target information for automotive control system for further processing. A 77GHz FMCW radar system, implementing Fast Fourier Transform (FFT) technology for signal processing, is presented in this paper to detect specific targets in the designed road scenario for automotive application. Basic features of FMCW radar are introduced in detail, along with the process of radar system simulation and waveform generation discussed. The results in regard to targets such as Range-Doppler map are displayed in MATLAB.

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2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)

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