多频率高效多普勒频率模拟器

IF 5.9 2区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Sukjae Yoon;Kyoduk Ku;Hoyoung Yoo
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引用次数: 0

摘要

本文介绍了一种创新的基于插值的雷达仿真系统(IRSS),旨在以最小的硬件复杂性模拟多个频率的多普勒频率。传统的雷达仿真系统,如模拟雷达系统模拟器(arss)和数字雷达系统模拟器(drss),由于需要并行处理单个多普勒频率,在支持多频仿真时面临挑战。该方法利用线性插值和叠加特性,使单次插值处理能够有效地处理多个频率分量。采用基于现场可编程门阵列(FPGA)的通用软件无线电外设(USRP)实现了IRSS结构,并通过实验测试对其性能进行了评价。结果表明,IRSS准确地生成了单频和多频信号的多普勒频率,与理论预测保持一致。该系统有效地模拟了不同目标速度下的多普勒频移,同时保持了硬件的简单性,不像传统的模拟器那样需要与频率数量成正比的资源。本研究强调了在雷达模拟器中使用线性插值来降低硬件复杂性和提高可扩展性的优势。因此,拟议的IRSS为需要多频率能力的现代雷达系统提供了一种经济高效的解决方案,使其非常适合自动驾驶车辆、军事行动和航空等复杂环境中的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficient Doppler Frequency Simulator for Multifrequency
This article introduces an innovative interpolation-based radar simulation system (IRSS) designed to simulate Doppler frequencies across multiple frequencies with minimal hardware complexity. Traditional radar simulation systems, such as Analog Radar System Simulators (ARSSs) and Digital Radar System Simulators (DRSSs), face challenges when supporting multifrequency simulations due to the need for parallel processing of individual Doppler frequencies. The proposed IRSS exploits linear interpolation and the superposition property, enabling a single interpolation process to handle multiple frequency components efficiently. The IRSS structure was implemented using a field programmable gate array (FPGA)-based universal software radio peripheral (USRP), and its performance was evaluated through experimental testing. The results demonstrated that the IRSS accurately generated Doppler frequencies for both single-frequency and multifrequency signals, maintaining consistency with theoretical predictions. The system effectively simulated Doppler shifts for various target speeds while preserving hardware simplicity, unlike traditional simulators that require increased resources proportional to the number of frequencies. This research highlights the advantages of using linear interpolation to reduce hardware complexity and improve scalability in radar simulators. Consequently, the proposed IRSS provides a cost-effective and efficient solution for modern radar systems that demand multifrequency capabilities, making it well-suited for applications in complex environments such as autonomous vehicles, military operations, and aviation.
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来源期刊
IEEE Transactions on Instrumentation and Measurement
IEEE Transactions on Instrumentation and Measurement 工程技术-工程:电子与电气
CiteScore
9.00
自引率
23.20%
发文量
1294
审稿时长
3.9 months
期刊介绍: Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.
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