车载合成孔径雷达上位机控制软件设计与实现
发布时间：2019-06-03 00:54
【摘要】：合成孔径雷达(SAR)是通过信号处理技术将小孔径天线等效为一个大天线从而提高分辨率的雷达成像系统,具有分辨率高、全天时、全天候的工作特点。近年来,合成孔径雷达发展迅速,不仅可以获得高质量的成像图像,而且具有硬件设备简单、成本低、易操作、性能稳定等优点。本文以车载合成孔径雷达为实验背景,围绕数据采集、系统自检与擦地角估计进行上位机控制软件的设计与实现。本文主要开展了以下几方面的研究工作:首先通过对雷达系统需求及技术指标的分析,给出了系统的工作流程并设计了软件开发方案。之后利用Matlab对系统自检与擦地角估计的原理进行仿真。然后采用面向对象的程序设计思想完成上位机控制软件的开发,设计了软件结构及通信协议,编写了基于WinDriver的PCIe驱动程序,实现了系统自检和擦地角估计功能。最后参与完成了车载合成孔径雷达成像系统的系统联调和外场实验。本文研究的车载合成孔径雷达上位机控制软件,经过雷达测试验证,满足了设计指标,已具备较为完善的功能,并且在软件设计方面保证了后续功能的扩展,具有较高的实用性。
[Abstract]:Synthetic Aperture Radar (SAR) is a radar imaging system which uses signal processing technology to equivalent small aperture antenna to a large antenna to improve the resolution. It has the characteristics of high resolution, all-day and all-weather. In recent years, synthetic aperture radar (SAR) has developed rapidly, which can not only obtain high quality imaging images, but also has the advantages of simple hardware equipment, low cost, easy operation and stable performance. In this paper, based on the experimental background of vehicle-borne synthetic aperture radar (SAR), the upper computer control software is designed and implemented around data acquisition, system self-test and wipe angle estimation. In this paper, the following research work is carried out: firstly, through the analysis of radar system requirements and technical indicators, the work flow of the system is given and the software development scheme is designed. Then the principle of self-test and wipe angle estimation is simulated by Matlab. Then the upper computer control software is developed by using the object-oriented programming idea, the software structure and communication protocol are designed, the PCIe driver based on WinDriver is written, and the functions of system self-check and wipe angle estimation are realized. Finally, the system joint modulation and field experiment of vehicle synthetic aperture radar imaging system are completed. The upper computer control software of vehicle synthetic aperture radar (SAR) studied in this paper is verified by radar test, which meets the design index, has more perfect function, and ensures the expansion of subsequent function in software design. It has high practicability.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TN958
[Abstract]:Synthetic Aperture Radar (SAR) is a radar imaging system which uses signal processing technology to equivalent small aperture antenna to a large antenna to improve the resolution. It has the characteristics of high resolution, all-day and all-weather. In recent years, synthetic aperture radar (SAR) has developed rapidly, which can not only obtain high quality imaging images, but also has the advantages of simple hardware equipment, low cost, easy operation and stable performance. In this paper, based on the experimental background of vehicle-borne synthetic aperture radar (SAR), the upper computer control software is designed and implemented around data acquisition, system self-test and wipe angle estimation. In this paper, the following research work is carried out: firstly, through the analysis of radar system requirements and technical indicators, the work flow of the system is given and the software development scheme is designed. Then the principle of self-test and wipe angle estimation is simulated by Matlab. Then the upper computer control software is developed by using the object-oriented programming idea, the software structure and communication protocol are designed, the PCIe driver based on WinDriver is written, and the functions of system self-check and wipe angle estimation are realized. Finally, the system joint modulation and field experiment of vehicle synthetic aperture radar imaging system are completed. The upper computer control software of vehicle synthetic aperture radar (SAR) studied in this paper is verified by radar test, which meets the design index, has more perfect function, and ensures the expansion of subsequent function in software design. It has high practicability.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TN958
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