用射线跟踪法，按射程计算将散射投影在平面图像对应单元的像素点上，得到自然地表的雷达图像模拟。
By using the ray tracing method, the scattering from all cells of scatters under a certain radar resolution is mapped into the image pixels.
改变非均匀地表的组成，如树木数目与高度、下垫地表、隐藏目标等，产生各种条件下自然地表景象产生的雷达图像模拟。
The radar images are simulated for different spatial structures such as number and density of trees, underlying land media, embedded target, etc.
然而，作为航海雷达图像模拟的方向，系统建模与仿真技术基本没有应用于民用船舶导航雷达模拟器中，特别是对船舶导航雷达模拟器中雨雪回波图像的模拟。
However, they are hardly used for civil ship navigation radar simulator, especially not for the simulation of echo images of rain and snow in ship navigation radar simulators.
主要论述了如何采用微机软件技术，实时模拟显示雷达图像和其他一些常用辅助符号与工具。
The paper discusses the software designing about how to generate the simulating images and accessories symbols and tools of Radar operation system.
对影响雷达方位分辨率的因素进行了分析，提出用于目标回波图像模拟的雷达波束数字化模型和相应目标散射模型。
This paper analyzes the factors affecting radar bearing resolution, provides digital beam model and target scattering model to simulate target echoes image.
针对运动目标，在考虑激光雷达方程、信噪比和自动增益、成像指标、噪声、图像处理等模块的基础上，对脉冲相干成像激光雷达进行了运动目标的成像模拟。
On the basis of considering the modules of laser radar equation, SNR and AGC, imaging demand, noise and imaging proces, we make a simulation of pulsed coherent imaging laser radar for moving target.
介绍了模拟港口岸形、物标回波和其他助航物标回波的生成，雷达回波的干扰、遮挡和衰减，固定距标圈、电子方位线和活动距标圈的显隐与图像的有关裁剪算法等。
Also the details about the coast, target and other navigational subjects echo and the interference of echo and Ring, Ebl, Vrm of Radar and clipping algorithm etc.
最后是建立电磁波的数学模型和利用相关算法在雷达模拟器中生成雨雪的回波图像。
Finally, establish a mathematical model of electromagnetic waves and adopt relevant algorithms to generate echo images of the rain and snow in radar simulator.
用衍射波公式合成了二维管状模型的雷达图像，并与物理模拟作了比较。
The GPR Image of 2-dimensional pipe-like model was synthesized using diffraction radar wave formula and compared with physical simulated record.
用衍射波公式合成了二维管状模型的雷达图像，并与物理模拟作了比较。
The GPR Image of 2-dimensional pipe-like model was synthesized using diffraction radar wave formula and compared with physical simulated record.
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