利用雷达自身设备实现有源相控阵天线监测与校准
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摘要
有源相控阵天线的监测和校准技术,是随着有源相控阵天线技术的发展而不断进步的一门综合性技术。它的主要任务是保证天线在整个生命周期内的性能特性、可靠性和可维修性,对有源相控阵天线进行故障判断、定位、性能评估、校准,完成保障和维护。从技术的角度看,它属于测试与测量技术,所涉及的技术几乎涵盖了电子技术的各个方面,如天线微波电磁场、接收机技术、测试信息提取(信号处理,包括A/D、数字电路)、测试数据获取和处理、软件算法、软件编程技术等。对这些技术都必须进行研究,才能够完成任务,最终获得系统的最佳性能。
     每一部装备了有源相控阵的雷达都需要一个这样的机内测量系统,以便随时保证雷达的耳目——天线系统的良好性能。因此,监校系统是一种针对特定雷达的,功能相对独立的专用测量系统。对这样的系统进行研究,必须从被测件和测试系统本身两个方面同时进行。
     本文把有源相控阵天线监测校准技术和雷达设备技术相结合进行研究,对完全利用雷达自身设备,实现有源相控阵天线监测校准进行了分析和详细设计,把这一新思路付褚实现。
     某雷达工程实验平台需要研制相应的监校系统,研究将以此为平台进行。
     本文的组织结构按照以下的思路开展:
     对有源相控阵天线技术进行简单回顾,对天线监测与校准系统的任务需求进行明确;
     了解有源相控阵天线监校系统的各种测试方法,分析各种测试方法是否适用于此次任务;
     研究已有的各种监校方法的原理、组成和性能、特点;
     结合任务雷达实验平台,选择合适的系统组成方案;
     仔细阐述方案实现过程,对各组成部分进行研究;
     采用本方案得到的结果的性能分析,精度和误差
     将来的预想和展望
Active phased array antenna calibration and monitoring technology, along with active phased array antenna technology development and the advancement of a comprehensive technology. Its main task is to ensure that the antenna throughout the life cycle of the performance characteristics, reliability and maintainability, the active phased array antenna to determine fault, location, performance evaluation, calibration, the completion of security and maintenance. From a technical point of view, it belongs to the test and measurement technology, the technology involved in covering almost all aspects of electronic technology, electromagnetic fields, such as microwave antenna, receiver technology, information extraction test (signal processing, including the A/D, digital circuit) Test data acquisition and processing, software algorithms, software programming, and so must look to complete the task function, the system was ultimately the best performance.
     Each equipped with active phased array radar requires a machine with such a measurement system, at any time in order to ensure the radar eyes and ears - a good antenna system performance. Therefore, the supervisor of the school system is a radar-specific, relatively independent of the special features measurement system. Such a system of research, it is necessary to test and test pieces of the system itself both at the same time.
     A radar test platform for the development needs of the prison school system, the study will be carried out as a platform.
     In this paper, the organizational structure carried out in accordance with the of the active phased array antenna technology to conduct a following ideas:
     brief review, monitoring and antenna on the school system needs a clear mandate;
     understanding of the active phased array antenna prison school system test Methods to analyze a variety of testing methods applicable to the task;
     Research has been monitoring the various methods of the school's principle, task of combining the composition and performance characteristics;experimental radar platform, choose the right composition System program;
    
     carefully on the process of the realization of the program, on the part of the The analysis of the performance, accuracy and study;
     The use of this program Error and expected future prospects.
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