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因此本文主要对发射分集MIMO雷达的性能及波束形成技术进行研究，主要工作如下： 1. 研究和分析了MIMO雷达基本原理及特点，以及MIMO雷达相对于传统相控阵雷达的优点。 2．研究了正交多相编码信号的设计方法。分析了将智能算法应用到信号设计中的可行性并将蚁群算法运用到正交多相编码信号的设计中，对设计的多相码进行了分析研究；在此基础上将蚁群算法和遗传算法相融合，得到一种新的智能算法，再将此算法引入到正交多相编码信号的设计中，通过与相关文献比对方针结果证明了算法的优越性。 3．分析了在正交多相编码信号的设计中码长、信号个数、相位个数等参数，对信号自相关和互相关的影响。 非常感谢。 |
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defey(金币+30):很迅速呀。谢谢啦。 2010-03-26 20:30
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Therefore, this article mainly research on the performance of transmit diversity MIMO radar and beamforming technology. The principal tasks are as follows: 1. Research and analyze the basic principles and characteristics of MIMO radar, as well as its advantages compared to the traditional phased array radar. 2. Study the orthogonal design method of polyphase coded signals. Analyze the feasibility of applying intelligent algorithms to the signal design and use the ant colony algorithm in the design of orthogonal polyphase coded signals. The method of multi-phase codes is analyzed; on this basis, the ant colony algorithm and integration of genetic algorithms are combinited to generate a new intelligent algorithm which is then introduced into the design of orthogonal polyphase coded signals. This algorithm is proved to be superior by comparied with relevant approach resultsl in iteratures. 3. Analyze the effect of parameters on the signal autocorrelation and cross-correlation, such as the code length, the signal number and phase number in the design of orthogonal polyphase coded signals. |
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