基于DDS芯片的相位相关双通道信号源设计 - 硬件电路设计 - 优领域 - 在优领域，找到您想要的！ 关键词： FPGA；AD9854；直接数字频率合成；相干信号源 [gap=966]Key words ： FPGA；AD9854 ；DDS ；coherent signal source
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Considering the offered performance of the frequency and 2D AOA estimation algorithmand the practical environment of EW, apply spatial smoothing method to non-unitary linear array and beam-space data to implement the frequency and 2D AOA estimation of coherent signals.
针对电子战的信号环境以及所设计算法提供的性能，成功地将空间平滑方法应用于非均匀阵列下的波束空间数据上，实现了相干信号源的去相干。
参考来源 - 测频测向一体化新体制雷达侦察接收机研制——信号处理机·2,447,543篇论文数据，部分数据来源于NoteExpress
相干信号源的测向是空间谱估计的一个难题。
DOA of correlated signals is difficult question of space spectrum estimation.
理论与模拟结果证明这种方法可以实现低信噪比、相干信号源的良好分辨。
Theory and simulation results have proved and certificated that this method is able to excellently resolve the coherent signal sources of lower ratio of signal and noise.
理论与模拟结果证明这种方法可以实现低信噪比、相干信号源的良好分辨。
It is proved by the perturbation analysis of Signal Subspace that the performances of the method presented...
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