【作者】 张宇；

【导师】 宋路；

【作者基本信息】 长春理工大学 ， 检测技术与自动化装置， 2014， 硕士

【摘要】 宽带雷达以其具有高分辨率特性在现代战争中占有越来越重要地位,主要应用于火控雷达、警戒、引导、制导等雷达系统中。随着雷达的广泛应用,对其检测技术的需求与日俱增。本论文主要对基于DSP的宽带雷达检测方法展开研究。论文首先建立雷达回波模型,包括一般雷达回波模型和杂波模型、宽带雷达回波模型和杂波模型,提出了起伏背景下的适用模型(瑞利分布、积累分布、韦布尔分布、K分布),并对回波及杂波模型进行仿真。其次,研究了宽带雷达传统检测算法,并对径向积累检测算法、广义似然比检测算法和M/N检测算法进行了性能仿真分析。第三,研究了宽带雷达目标检测新方法,主要是对基于统计特性差异检测算法和基于信息熵检测算法的研究及仿真性能分析。第四,研究了基于DSP的两种新型检测算法的软硬件实现技术。更多还原

【Abstract】 Wideband radar with high resolution plays a more and more important role in modern war. mainly used in fire control radar, surveillance, guidance, guidance radar system. With the wide application of radar, the detection demand grow with each passing day. This thesis is focused on wideband radar detection method based on DSP.Firstly, establish the radar echo model, including the general radar echo model and clutter model, model of broadband radar echo and clutter model, the model of clutter background (Rayleigh distribution, accumulation and distribution, Weibull distribution,K distribution), and carries on the simulation of echo and clutter model. Secondly, the broadband radar traditional detection algorithm, and the radial detection algorithm, generalized likelihood ratio detection algorithm and M/N detection algorithm for the performance simulation analysis. Third, the new method of wideband radar target detection, is mainly to the statistical characteristics of difference detection algorithm based on the research and simulation and analysis based on information entropy detection algorithm. Fourth, based on the hardware and software of two new detection algorithm and Realization of DSP technology更多还原