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首页> 外文会议>Conference on Image Processing: Algorithms and Systems III; 20040119-20040121; San Jose,CA; US >Surface Imaging and Parameter Determination of an Antenna Range
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Surface Imaging and Parameter Determination of an Antenna Range

机译：天线范围的表面成像和参数确定

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摘要

A problem of surface imaging and parameter determination in an antenna far-field range by scanning the electromagnetic field intensity distribution in a plane combined with the imagined position of a test antenna aperture is considered. The signal at the receiver output is formed as a result of superposition in the antenna of the direct and reflected waves from the range surface. Exact and approximate mathematical models for description of an "Antenna - Range" system are offered and analysed. Model parameters are determining by statistical regression method. The system parameter dependence on model parameters is obtained. The offered method allows determining both the path length and direction of the reflected waves, the sites of the antenna range essential in reflection, as well as all system parameters, including the module of reflection coefficient. Processing of both modeled and measured signals, as well as surface imaging of a virtual and the real antenna ranges are carried out. The results may be used during operation of any existing antenna range, as well as in their design.
机译：考虑了通过扫描平面中的电磁场强度分布并结合测试天线孔径的想象位置来在天线远场范围内进行表面成像和参数确定的问题。接收器输出端的信号是来自测距表面的直接波和反射波在天线中叠加的结果。提供并分析了用于描述“天线-距离”系统的精确和近似数学模型。模型参数是通过统计回归方法确定的。获得了系统参数对模型参数的依赖性。提供的方法可以确定反射波的路径长度和方向，反射中必不可少的天线范围的位置以及所有系统参数，包括反射系数的模块。进行建模和测量信号的处理，以及虚拟和实际天线范围的表面成像。该结果可在任何现有天线范围的操作期间以及其设计中使用。

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