sar点目标成像matlab,SAR合成孔径雷达点目标成像原理及其MATLAB仿真程序

待我称王封你为后i 2023-01-14 09:58 205阅读 0赞

摘要：本论文主要阐述了合成孔径雷达(SAR)点目标成像的相关知识，简要介绍地了SAR在军事以及民事领域中的应用，简单说明了SAR的成像原理与特点。分别运用了RD和CS两种算法来说明SAR的成像原理。在介绍RD算法时，建立了信号模型，并且从距离压缩、距离移动校正以及方位向压缩三个方面进行了具体说明，并给出了改进型RD算法的流程图和它的相关运用方法；介绍CS算法时，建立了斜视回波信号模型，并且分析了成像动距离概念，并讨论了改进型CS算法的方法和步骤。最后对两种成像算法进行了参数设定并且进行了仿真。57477

毕业论文关键词：SAR，距离压缩，距离移动，回波信号，多普勒参数

Abstract：This paper described the synthetic aperture radar (SAR) point target imaging knowledge, briefly introduced the use of SAR in the military and civilian, and describes its imaging principles and characteristics. To illustrate the principle of SAR imaging, used the RD and CS two algorithms. When introducing the RD algorithm,established the signal model, and described it from three aspects, such as the distance of compression, the mobile calibration and orientation ,and give the flowchart of the modified RD algorithm and related methods; To introduce the CS algorithm, established the strabismus echo signal model, analysis the image of moving distance, and give the method steps of the improved CS algorithm, finally set the two imaging algorithms parameter and simulate them。

Key words：SAR，the distance of compression，the distance，the mobile correction

1 绪论5

1.1 引言5

1.2 研究目的和意义5

1.3 发展历史及学术动态5

2 合成孔径雷达的应用6

2.1 引言6

2.2 合成孔径雷达在军事领域的应用6

2.3 合成孔径雷达在民用领域的应用6

3 合成孔径雷达成像的原理7

3.1 成像原理7

3.2 成像特性7