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Frequency Monitoring System for Over-The-Horizon Radar (OTHR) using The Empirical Canadian High Arctic Ionospheric Model (E-CHAIM)

机译:使用加拿大高北极电离层经验模型(E-CHAIM)的超视距雷达(OTHR)频率监测系统

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The Canadian Department of National Defence (DND) is developing an experimental over-the-horizon radar (OTHR) with the potential for surveillance of Canada. Because of dynamically changing ionospheric conditions in the high-latitude and polar regions, the operating OTHR transmission frequency and elevation angle needs to be adjusted regularly to maintain constant illumination of targets downrange. In this regard, accurate electron density is necessary for the purpose of improving operational OTHR and OTHR planning/design. Recently, the first phase of the Empirical Canadian High Arctic Ionospheric Model (E-CHAIM) was released, which was funded under Defence Research & Development Canada's (DRDC) All Domain Situational Awareness (ADSA) program. In this study, E-CHAIM is used to determine feasible radar parameters such as operating frequencies and elevation angles using a three-dimensional ray-tracing technique, which will help to form the basis of the frequency monitoring systems (FMS) that will control these polar OTHR systems.
机译:加拿大国防部(DND)正在开发一种实验性超视距雷达(OTHR),该雷达具有对加拿大进行监视的潜力。由于在高纬度和极地地区电离层条件会动态变化,因此需要定期调整OTHR的工作传输频率和仰角,以保持对目标低射程的恒定照度。在这方面,精确的电子密度对于改善操作性OTHR和OTHR规划/设计是必要的。最近,加拿大经验丰富的北极高空电离层模型(E-CHAIM)的第一阶段发布了,该模型由加拿大国防研究与发展部(DRDC)的全域态势感知(ADSA)计划资助。在这项研究中,E-CHAIM用于使用三维射线追踪技术确定可行的雷达参数,例如工作频率和仰角,这将有助于形成控制这些参数的频率监视系统(FMS)的基础。极地OTHR系统。

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