精品文档---下载后可任意编辑基于频带合成的调频步进 SAR/ISAR 成像的开题报告摘要：调频步进 SAR/ISAR 成像是一种实时成像技术，它利用高分辨率雷达对目标进行成像，可以用于目标识别和特征提取。目前，调频步进 SAR/ISAR 成像的主要问题是成像时间长和需要大量的存储空间。基于频带合成技术，本文的讨论目的是提高调频步进 SAR/ISAR 成像的效率，并减少存储要求。具体而言，本文将探讨频带合成在调频步进 SAR/ISAR 成像中的应用，并讨论该技术的成像效果和成像速度等方面的性能。关键词：调频步进 SAR/ISAR 成像，频带合成，实时成像，目标识别，特征提取Abstract：Frequency-modulated stepped SAR/ISAR imaging is a real-time imaging technology that utilizes high-resolution radar to image targets, which can be used for target recognition and feature extraction. Currently, the main problems of frequency-modulated stepped SAR/ISAR imaging are long imaging time and the need for a large amount of storage space. Based on the frequency band synthesis technology, the research aim of this paper is to improve the efficiency of frequency-modulated stepped SAR/ISAR imaging and reduce storage requirements. Specifically, this paper will explore the application of frequency band synthesis in frequency-modulated stepped SAR/ISAR imaging, and study the performance of this technology in terms of imaging effect and imaging speed.Keywords: frequency-modulated stepped SAR/ISAR imaging, frequency band synthesis, real-time imaging, target recognition, feature extraction1.讨论背景雷达成像技术是一种高效的目标识别和特征提取手段，可以用于多种领域，如军事、航空航天、地质勘探等。其中，调频步进 SAR/ISAR 成像是一种常用的雷达成像技术，它采纳频率调制信号扫描成像区域，可以获得高分辨率的图像。然而，在实际应用中，调频步进 SAR/ISAR 成像存在一些问题，如成像时间长、存储空间大等问题。近年来，频带合成技术逐渐引起了讨论人员的关注。频带合成技术可以将多个信号合成成一个宽带信号，从而提高信号处理的效率。因此，频带合成技...
