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随着雷达技术的发展,全相参体制的多普勒气象雷达,具有常规探测的功能,还可以进一步通过信号的多普勒频率差异,来获得更广泛的有效数据,包括气象目标的径向速度和谱宽,并进一步的通过数据反演出大气风场、气流垂直速度以及湍流等情况。其灵活的机动性在航天领域中对台风、暴雨等极端天气有着精确的探测。本文在介绍机载多普勒气象雷达的基础原理上,阐述其主要的技术特点和参数情况,着重分析讨论其具体的实际应用。
With the development of radar technology, Doppler weather radar with full coherence system has the function of conventional detection, and further more effective data can be obtained through the Doppler frequency difference of the signal, including radial of the meteorological target Velocity and spectral width, and further through the data inversion atmospheric wind field, the vertical velocity of air flow and turbulence and so on. Its flexible mobility in the field of aerospace, typhoons, rainstorms and other extreme weather has a precise detection. This paper describes the basic principles of airborne Doppler weather radar, describes its main technical characteristics and parameters of the situation, focusing on analysis and discussion of its specific practical application.