| 改进MUSIC算法对信号DOA的估计 |
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| 引用本文： | 高星辉,张承云,常鸿森.改进MUSIC算法对信号DOA的估计[J].系统仿真学报,2005,17(1):223-224,230. |
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| 作者姓名： | 高星辉 张承云 常鸿森 |
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| 作者单位： | 1. 广州大学信息与控制工程系,广东广州,510091
2. 华南师范大学物理系,广东广州,510631 |
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| 摘 要： | MUSIC算法能有效地估计出独立信号源的DOA，并且在模型准确的前提下，对DOA的估计可以达到任意精度；但对相干信号源和相隔比较近的小信噪比信号源，MUSIC算法就不能估计出它们的DOA了。这里通过理论推导提出了一种改进MUSIC算法，计算机仿真的结果表明了该改进MUSIC算法既能够有效地估计出独立信号源的DOA，也能有效地估计出相关信号源和相隔比较近的小信噪比信号源的DOA，从而证明了这种改进MUSIC算法的合理性。
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| 关 键 词： | DOA MUSIC 相关 仿真 |
| 文章编号： | 1004-731X(2005)01-0223-02 |
Estimation for Signals' DOA by Modified MUSIC Algorithm |
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| GAOXing-hui,ZHANG Cheng-yun,CHANG Hong-sen.Estimation for Signals'''' DOA by Modified MUSIC Algorithm[J].Journal of System Simulation,2005,17(1):223-224,230. |
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| Authors: | GAOXing-hui ZHANG Cheng-yun CHANG Hong-sen |
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| Abstract: | Music algorithm can estimate independent signals' DOA effectively and reach the infinite precision under the premise that the model is proper, but it is ineffective to coherent signals and adjacent signals with small SNR. Here it is presented a new modified MUSIC algorithm by deduction, which can estimate the DOA of coherent signals and adjacent signals with small SNR. The simulations have proved the effectiveness of this new modified MUSIC algorithm. |
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| Keywords: | DOA MUSIC coherence simulation |
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