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引用次数: 1
摘要
本文的重点是利用 Lyrtech Small Form Factor (SFF) Software Defined Radio (SDR) 技术开发 Sband 雷达，以产生 Chirp-Z 信号。Lyrtech SDR 平台有一个高速 AD/DA 转换板和一个可调谐射频板，可实现灵活的雷达设计。为了实现功能性雷达系统，必须充分利用 SFF SDR 的开发能力。本文介绍了如何利用 SDR 的软件和硬件资源，将 SDR 转换为波形可编程雷达，这将有助于使用通用 SDR 平台研究雷达系统。基于我们的方法，我们开发了一种 S 波段雷达，用于发射调制在 2.2GHz 载波上的 Chirp-Z 雷达波形。介绍了 SFF 平台的结构和开发套件，并讨论了使用开发套件开发 S 波段雷达的过程。最后，演示了使用开发的雷达系统发射和接收 Chirp-Z 信号的情况。
S-band radar based on Lyrtech Software Defined Radio
The focus of this paper is on the development of Sband radar using the Lyrtech Small Form Factor (SFF) Software Defined Radio (SDR) for generating the Chirp-Z signal. The Lyrtech SDR platform has a high speed AD/DA conversion board and a tunable RF board, which enable a flexible radar design. To achieve a functional radar system, the development kids of the SFF SDR have to be fully utilized. This paper introduces the usage of both software and hardware resources of the SDR for converting the SDR into a waveform-programmable radar, which can benefit the study of radar systems using generic SDR platforms. Based on our approach, we develop an S-band radar which is used to transmit a Chirp-Z radar waveform modulated on a 2.2GHz carrier. The structure and the development kits of the SFF platform are introduced, and the development of the S-band radar by using the development kits discussed. Finally, both transmitted and received Chirp-Z signals using the developed radar system are demonstrated.
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