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An approach to enhanced fidelity of airborne radar site-specific simulation

机译：一种提高机载雷达位点特异性模拟保真度的方法

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Geographical information systems (GIS) have been the base for radar ground echo simulations for many years.Along with digital elevation model (DEM), present GIS contain characteristics of terrain. This paper proposesa computationally sensible simulation procedure to produce realistic radar terrain signatures in a form of rawdata of airborne pulse Doppler radar. For backscattering simulation, the model of the ground is based on DEMand built with point-form backscattering objects. In addition to the usual DEM utilization for xyz coordinatesand shadowed region calculation, we assume that each data point in GIS describes several scatterers in reality.Approaching the ground truth, we distribute individual scatterers with adjustable attributes to produce authenticresponse of areas such as sea, fields, forests, and built-up areas. This paper illustrates the approach through anairborne side-looking synthetic aperture radar (SAR) simulation. The results prove the enhanced fidelity withrealistic SAR image features.
机译：地理信息系统（GIS）一直是多年来雷达地面回声模拟的基础。随着数字高度模型（DEM），目前GIS包含地形的特征。本文提出了计算上的明智的模拟程序，以生产空气脉冲多普勒雷达的Rawdata形式的现实雷达地形签名。对于反向散射仿真，地面模型基于用点形式反向散射对象构建的需求。除了XYZ CoordInates和阴影区域计算的常规DEM利用外，我们假设GIS中的每个数据点都描述了现实中的几个散射仪。人们的实际情况，我们将各个散射体分配有可调的属性，以产生海，田地等领域的验证响应，森林和建筑区域。本文通过载流侧面看合成孔径雷达（SAR）模拟说明了这种方法。结果证明了增强的保真度，具有现实的SAR图像特征。

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