实体特征复制、阵列(一)：*特征复制 (Feature Copy)：选取一个或多个或所有特征 *几何镜像 (Geometry Mirror)： 如基准、面组和曲面 *移动之平移、旋转使用方法 24.
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针对多径效应的问题，首先建立海面低空目标的跟踪模型，分析了目标、镜像和雷达之间几何关系。
For the problem of multi-path effects, firstly the low-angle target tracking model of sea-surface is built up, and the geometric relationship among target, image and radar is analyzed.
将镜像变换、平移、旋转、缩放等几何变换手段与积分投影等方法相结合来增加虚拟样本。
It increases the virtual samples by the method of combining mirror transform, integral map and geometric transform such as shifting, rotating and zooming.
通常，对穆斯堡尔镜像谱折叠是消除基线几何效应的有效方法，数据获取效率也有所提高。
Usually, for Mssbauer mirror spectra folding procedure is an effective way to eliminate the geometric effect of the base line, and to raise the data acquisition efficiency.
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