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ground object matcbing 地物匹配
A method of the ground object target simulation of SAR(Synthetic Aperture Radar) raw signal was discussed. 分析讨论了一种合成孔径雷达成像三维地物目标模拟的方法。
The imaging fundamental of SAR was expatiated and the raw echo signal model of complex three-dimensional ground object target was established. 阐述了复杂三维地物目标模型的建立方法,分析了回波信号的结构并且讨论了成像仿真参数。
The simulation parameters of SAR system were given and the imaging of the complex three-dimensional ground object target was finished. 最后完成了对三维复杂地物目标的成像仿真实验,得到了较为理想的结果。
Three factors of image information, namely gray, texture and edge, are the basic factors which reflect the reliability of ground objects. 而图像信息理解的三要素，即灰度、纹理和边缘，是卫星图像反映地物的可信度的基本要素。
classification of ground object characteristics 地物特征分类
Matched terrain and ground object 地形地物匹配
The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
The color signal images corrected by Rayleigh Scattering are close to true color photography in ground. , laypeople can judge usual ground objects based on color and shadow of ground objects. 经瑞利散射纠正后的色彩信号图像接近于地面真彩色摄影，非专业人员能根据地物颜色及阴影判读出常见地物。
The ground was covered with ferns. 地面上长满了羊齿植物。
He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
They put some wreathes on the ground. 他们把一些花环放在地上。
The ground was ploughed and planted with corn. 地翻耕后种上了玉米。
He takes his ground on intuition. 他的意见是凭直觉。
We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
The color signal images which did not carry on correcting the atmosphere are equal to the space photographs to the ground, the ground objects are covered with blue mist which is formed by Rayleigh Scattering. 未进行大气校正的色彩信号图像等效于太空对地摄影，从图像可看出，地物被笼罩在瑞利散射形成的蓝色“云雾”下。
A good hot summer could dry the ground out. 一个炎热的夏天可以将大地干透。
Bob pecked at the hard ground with a pickaxe. 鲍勃用鹤嘴锄在坚硬的地面上挖掘。