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Height Estimation for Ballistic Platforms using Differential Measurements

机译:使用差分测量的弹道平台高度估计

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Use of radio waves is a very common choice for proximity fuzes. The stand-off distance for fuzes varies between a lower and an upper limit depending on the electromagnetic reflectivity of terrain (target). If the reflectivity of the terrain is comparably higher, the return power at the receiver reaches to the threshold level more quickly and the stand-off distance increases. The work presented here introduces an approach to estimate the height of airborne ballistic platforms more precisely compared with the conventional fuzes regardless of the reflection properties of the terrain. Independent measurements of the rate of change of voltage from the receiver and the rate of change of height (from Doppler shift) allow the height to be estimated when the terrain reflectivity is unknown.
机译:对于邻近引信,使用无线电波是非常常见的选择。引信的隔离距离取决于地形(目标)的电磁反射率,在上下限之间变化。如果地形的反射率相对较高,则接收器的返回功率会更快地达到阈值水平,并且隔离距离会增加。无论地形的反射特性如何,与常规引信相比,此处介绍的工作引入了一种方法,可以更精确地估算机载弹道平台的高度。来自接收器的电压变化率和高度变化率(来自多普勒频移)的独立测量值可以在未知地形反射率时估算高度。

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