本文研究的雷达视频回波信号模拟与仿真是针对机载下视脉冲多普勒雷达，包括目标信号、地杂波信号和噪声信号的模拟与仿真。
In the thesis, the video echo of the airborne PD radar was simulated. The simulated echoes include the signals of the target, the ground clutter and the noise.
最后对仿真点目标双基地回波进行成像处理，结果与基于二阶距离模型的成像算法相比较，证明了本文等效距离模型和成像算法的优越性。
The quality of images of simulated bistatic echoes focused by the algorithm is much better than algorithm based on two-order range model at the case of large squint angle and high resolution.
研究了信号及杂波、噪声在信号处理之后的统计特性，并通过仿真系统产生了目标回波数据及检测背景噪声。
This paper also studies the statistics characteristic of signal, clutter and noise after the system disposal, and generates target data and detecting background noise using the simulated system.
在此基础上，建立了SAR回波信号的仿真模型，并针对几种典型的误差形式进行了进一步的分析，得到了带有误差的点目标回波模型。
On this basis, we created simulation models for echo signals of SAR, analyzed several typical errors and got the point target echo with these errors.
论文针对L波段ISAR，通过四个数学模型仿真了电离层引起的目标回波相位起伏、折射效应以及回波幅度闪烁对ISAR图像的影响。
This paper gives four models to simulate effects of phase fluctuation, refraction and amplitude scintillation due to ionosphere on L-band ISAR.
接下来对宽带雷达下目标的多散射中心回波模型进行了仿真，验证了目标跨距离单元走动规律，并对目前常用的宽带雷达检测方法进行了仿真和比较；
A method of moving target detection in wide-band radar is then advanced basing on the MTCI algorithm, and the feasibility of the method is validated by simulation and experiment data.
仿真实验表明，该方法能有效地检测多目标雷达回波信号并准确地估计其参数，而且有较好的抗噪声性能。
The simulation results show that this method is not only suitable for the detection and the parameter estimation of multi target radar echo signal, but also good at reducing noise.
针对目标回波检测，本文采用了长时间相干积累的方法，仿真结果表明该方法提高了目标回波积累峰值；
Aiming at target echo signals detection, long-time coherent accumulation processing is adopted. Simulation results show that the method improves the power of target echo signals.
针对目标回波检测，本文采用了长时间相干积累的方法，仿真结果表明该方法提高了目标回波积累峰值；
Aiming at target echo signals detection, long-time coherent accumulation processing is adopted. Simulation results show that the method improves the power of target echo signals.
应用推荐