| 数字化宽带测向系统中的相位差测量及误差分析 |
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| 引用本文： | 王国华,李长满,许剑锋.数字化宽带测向系统中的相位差测量及误差分析[J].电子技术,2009,46(1):61-64. |
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| 作者姓名： | 王国华 李长满 许剑锋 |
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| 作者单位： | 第二炮兵工程学院101教研室 |
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| 摘 要： | 干涉仪测向在电子侦察领域中广泛运用。为了进一步提高干涉仪的测向精度，增强对宽带信号的适应能力和扩展系统的工作频率范围，提出了数字化宽带测向系统的整体解决方案，重点讨论数字化宽带信号的相位差测量及误差分析、概率解模糊算法和天线阵列基线设计。这是系列论文的第一篇，给出了数字化宽带测向系统模型，提出了适合各种宽带信号的数字化相位差测量方法，着重推导了相位差测量的数字化方法误差函数和信号相位误差的理论分布密度函数。
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| 关 键 词： | 测向 干涉仪 相位差 解模糊 |
Phase Difference Measuring and Error Analysis in the Digital Wideband Direction-finding System |
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| Wang Guohua,Li Changman,Xu Jianfeng.Phase Difference Measuring and Error Analysis in the Digital Wideband Direction-finding System[J].Electronic Technology,2009,46(1):61-64. |
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| Authors: | Wang Guohua Li Changman Xu Jianfeng |
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| Affiliation: | The Second Artillery Engineering Institute |
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| Abstract: | Interferometer direction-finding system is widely used in the electronic reconnaissance field.In order to improve the direction-finding precision,to enhance the ability of measuring the wideband signal and to enlarge the working frequency range,a new digital wideband direction-finding system is put forward in this series of papers.They emphasize on three problems which include the phase difference measurement of the digital wideband signal and error analysis,the algorithm of solving phase difference ambigui... |
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| Keywords: | Direction finding interferometer phase difference solving phase difference ambiguity |
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