Radar Spectrum Engineering and Management: Technical and Regulatory Issues
Radar Spectrum Engineering and Management: Technical and Regulatory Issues
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DOI：
10.1109/jproc.2014.2365517
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发表时间：
2015-01-01
影响因子：
20.6
通讯作者：
Blunt, Shannon
中科院分区：
文献类型：
--
作者：
Griffiths, Hugh;Cohen, Lawrence;Blunt, Shannon
射频电磁频谱从1兆赫以下扩展到100兆赫以上，是一种宝贵的资源。它用于广泛的目的，包括通信、无线电和电视广播、无线电导航和传感。雷达代表着电磁(EM)频谱的基本重要用途，应用包括空中交通管制、从太空对地球资源的地球物理监测、汽车安全、恶劣天气跟踪以及国防和安全监视。几乎所有的服务都需要更大的带宽，这意味着对这一有限资源的竞争将越来越激烈。本文从雷达的角度解释了频谱拥塞问题的本质，并从技术和监管的角度描述了一些可能的解决方法。其中包括提高发射机频谱纯度，无源雷达，以及动态优化频谱使用的智能认知方法。
The radio-frequency (RF) electromagnetic spectrum, extending from below 1 MHz to above 100 GHz, represents a precious resource. It is used for a wide range of purposes, including communications, radio and television broadcasting, radionavigation, and sensing. Radar represents a fundamentally important use of the electromagnetic (EM) spectrum, in applications which include air traffic control, geophysical monitoring of Earth resources from space, automotive safety, severe weather tracking, and surveillance for defense and security. Nearly all services have a need for greater bandwidth, which means that there will be ever-greater competition for this finite resource. The paper explains the nature of the spectrum congestion problem from a radar perspective, and describes a number of possible approaches to its solution both from technical and regulatory points of view. These include improved transmitter spectral purity, passive radar, and intelligent, cognitive approaches that dynamically optimize spectrum use.