椭圆窗口作为一种新的手段用于含有面缺陷晶体的傅里叶滤波和衍射振幅校正。
Elliptical Windows are utilized as a new means for Fourier filtering and correcting the amplitudes of reflections.
空间数据处理内容广泛，本文选择空间数据处理领域的数据格式转换、椭圆窗口线段裁剪、拓扑关系局部更新方法作为研究的内容。
Three parts have been researched which are the switchover of data format, elliptic window line segment-clipping and the method for updating local topological relation.
首先对于矩形窗口，介绍了直线裁剪算法，圆和椭圆裁剪算法以及参数曲线的裁剪算法。
Firstly, to the rectangle window, algorithms for clipping lines, circles and ellipses, as well as parametric curves are introduced.
最后，介绍了圆形和椭圆形窗口的直线裁剪算法。
Finally line clipping algorithms against circles and ellipses are given.
在计算机图形学及CAD中，到目前为止所研究的裁剪窗口都是矩形或多边形的，而在实际应用中经常要用到圆形或椭圆形裁剪窗口。
In computer graphics and CAD, the clipping Windows researched up to now are all rectangular or polygonal. But in practice circular or elliptic clipping Windows are often used.
椭圆形房间的心情是优雅和节日，特别是当它在光通过环湾大窗口，在宽松的盆满钵满的沐浴。
The mood of the oval room is elegant and festive, especially when it is bathed in the light that pours in liberally through the large central bay window.
首先对于矩形窗口，介绍了直线裁剪算法，圆和椭圆裁剪算法以及参数曲线的裁剪算法。
A clipping algorithm for complex2 D graphs based on the robust intersection points seeking method is presented.
首先对于矩形窗口，介绍了直线裁剪算法，圆和椭圆裁剪算法以及参数曲线的裁剪算法。
A clipping algorithm for complex2 D graphs based on the robust intersection points seeking method is presented.
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