| 一种改进的直升机声测被动定向算法 |
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| 引用本文： | 陈华伟,赵俊渭,蔡宗义,许学忠.一种改进的直升机声测被动定向算法[J].兵工学报,2001,22(4):504-507. |
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| 作者姓名： | 陈华伟 赵俊渭 蔡宗义 许学忠 |
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| 作者单位： | 1. 西北工业大学声学工程研究所,
2. 西北核技术研究所 |
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| 基金项目： | 航空科研项目，国防重点实验室基金 |
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| 摘 要： | 本文研究了相位谱时延估计算法在直升机被动声定向中的应用。提出了一种改进时延估计精度的新算法。并用实测直升机噪声数据进行了计算机仿真，验证了算法的有效性。仿真结果表明，该算法具有高的时延估计精度和算法鲁棒性，有重要的研究价值和工程应用前景。
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| 关 键 词： | 直升机 被动声定向算法 相位谱时延估计 误差分析 仿真 |
AN IMPROVED ALGORITHM FOR THE PASSIVE ACOUSTIC DIRECTION ORIENTATION OF HELICOPTERS |
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| Chen Huawei,Zhao Junwei.AN IMPROVED ALGORITHM FOR THE PASSIVE ACOUSTIC DIRECTION ORIENTATION OF HELICOPTERS[J].Acta Armamentarii,2001,22(4):504-507. |
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| Authors: | Chen Huawei Zhao Junwei |
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| Abstract: | In this paper, the application of phase spectrum time delay estimation (PSTDE) in helicopter passive acoustic orientation is presented,and an approach for improving the accuracy of PSTDE is proposed Computer simulation with the helicopter noise under various conditions is also included The given approach is tested to be effective and the simulation results show that it has better estimation accuracy and robustness It is concluded that the approach has its value and perspective in its engineering applications |
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| Keywords: | time delay estimation phase spectrum helicopter passive acoustic direction |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
