| 一种基于小波变换的信号恒虚警率检测方法 |
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| 引用本文： | 简涛,何友,苏峰,李炳荣.一种基于小波变换的信号恒虚警率检测方法[J].信号处理,2006,22(3):430-433. |
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| 作者姓名： | 简涛 何友 苏峰 李炳荣 |
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| 作者单位： | 海军航空工程学院信息融合技术研究所,烟台,264001 |
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| 基金项目： | 教育部全国优秀博士学位论文作者专项基金 |
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| 摘 要： | 基于噪声和信号在不同尺度下的特性,引入小波域中噪声置信度概念,利用删除技术CM(Censored Method)估计小波域中的噪声功率水平,采用软阈值处理,提出一种信号恒虚警检测方法。理论分析表明该方法在高斯噪声背景下具有恒虚警率特性,对不同杂波背景下的信号处理结果表明了该方法的鲁棒性。
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| 关 键 词： | 正交小波变换 恒虚警率 信号检测 鲁棒性 |
| 修稿时间： | 2005年1月4日 |
Signal CFAR Detection Method with Wavelet Transform |
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| Jian Tao,He You,Su Feng,Li Bingrong.Signal CFAR Detection Method with Wavelet Transform[J].Signal Processing,2006,22(3):430-433. |
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| Authors: | Jian Tao He You Su Feng Li Bingrong |
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| Abstract: | Based on completely different properties of the signal and noise in wavelet transform, the noise confidence factor is introduced to estimate the clutter power level by means of CM( Censored Method). A signal CFAR detection method with soft threshold is proposed. The theoretical analysis shows the CFAR characteristic of the method under background with Gaussian distribution clutter. And the experiment results of signal processing demonstrate that this method can detect the targets in other different clutters effectively, which shows the method' s robustness and effectiveness. |
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| Keywords: | orthogonal wavelet transform CFAR signal detection robustness |
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