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.
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。
To simulate the sonar echo of the underwater moving target, a high precision and multi-function underwater target simulation technique is proposed.
为了模拟水下运动目标的声呐回波，研究了一种高精度、多功能的水下目标回波模拟技术。
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；
The capability of time reversal processing for echo-to-reverberation enhancement is studied using computer simulation under the condition that target is in the middle of the shallow water guide.
针对典型的浅海波导环境，通过计算机仿真研究了目标位于波导中间深度条件下时间反转处理增强信混比的能力以及目标深度的变化对信混比增强能力的影响。
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.
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.
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。
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