首先分析了不同距离高分辨宽带雷达信号波形的回波模型。
The echo models of different high-range resolution (HRR) broadband radar signals are analyzed in this paper.
首先建立了机载双基地SAR的几何模型、距离历程和回波模型。
The geometry, the distance history and echo signal models of airborne bistatic SAR are built firstly.
论述了直接序列扩频测距的原理，研究了近距离测距的回波模型。
The principle of direct sequence spread spectrum ranging is introduced and the echo model of near field ranging is discussed.
准确、有效的目标回波模型是声纳目标，特别是小尺度目标探测与识别的基础。
An accurate and effective sonar target echo model is a basis of detecting and recognizing sonar target, especially small scale target.
雷达高度计回波模型是设计、检验高度计跟踪算法的基础，是高度计设计的关键性环节。
As the basis of the tracking algorithm, an echo model is the key to radar altimeter design.
讨论了无源雷达成像的平动补偿，建立目标回波模型，利用相邻回波包络的相关性进行运动补偿。
Motion compensation for passive radar imaging is discussed in the paper and echo-signal models for target are given.
对近程地面目标监测雷达的回波进行分析，建立相应的目标信号模型、多路径效应回波模型和杂波模型。
The echo of short range radar detecting ground targets are analyzed in this paper, Models for targets, multipath effects and clutter are constructed.
本文的主要工作包括：(1)雷达回波信号回波模型(着重对目标，杂波)进行了分析，并介绍了模拟器视频部分的实现方案。
Briefly, here are main topics of this thesis: (1) Radar signal model was analyzed (targets, clutter), and the simulation method was introduced.
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.
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.
随后以大擦地角的回波信号为例，简要分析了杂波模型的幅度分布、功率谱和参数的特性。
The amplitude distribution, power spectrum and parameters are discussed briefly based on the return at a high grazing angle.
新模型不仅考虑到目标是光学区复杂目标的情形，而且分析了目标运动形成的多普勒频率对回波数据的影响，使动态目标雷达回波模拟数据更接近于真实。
The new model considers the state that the target is a comprehensive target, and includes the influence of the targets'movement. The data based on this model is more actual than the stop-and-go model.
新模型不仅考虑到目标是光学区复杂目标的情形，而且分析了目标运动形成的多普勒频率对回波数据的影响，使动态目标雷达回波模拟数据更接近于真实。
The new model considers the state that the target is a comprehensive target, and includes the influence of the targets'movement. The data based on this model is more actual than the stop-and-go model.
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