Application of wavelet domain Wiener filter in denoising of airborne γ-ray data

LUO Yaoyao GE Liangquan XIONG Chao XU Lipeng HUA Yongtao

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Application of wavelet domain Wiener filter in denoising of airborne γ-ray data

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- Application of wavelet domain Wiener filter in denoising of airborne γ-ray data
- NUCLEAR TECHNIQUES Vol. 35, Issue 10, (2012)
- 作者机构：
  
  成都理工大学
- 作者简介：
- 基金信息：
  
  核地球物理学天然γ场地研究(40774063);国家863计划重大项目(2006AA06A207)资助
- DOI：
  CLC： V216.55;TN713
- Published：01 October 2012
- 稿件说明：
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[1]罗耀耀,葛良全,熊超,徐立鹏,花永涛.小波阈Wiener滤波器在航空伽玛能谱降噪中的应用[J].核技术,2012,35(10):755-758.

LUO Yaoyao GE Liangquan XIONG Chao XU Lipeng HUA Yongtao. Application of wavelet domain Wiener filter in denoising of airborne γ-ray data[J]. Nuclear techniques, 2012, 35(10): 755-758.
[1]罗耀耀,葛良全,熊超,徐立鹏,花永涛.小波阈Wiener滤波器在航空伽玛能谱降噪中的应用[J].核技术,2012,35(10):755-758. DOI：

LUO Yaoyao GE Liangquan XIONG Chao XU Lipeng HUA Yongtao. Application of wavelet domain Wiener filter in denoising of airborne γ-ray data[J]. Nuclear techniques, 2012, 35(10): 755-758. DOI：

摘要

在传统的小波降噪基础上

根据Wiener滤波器和小波变换的特点

采用小波域Wiene滤波器对航空γ能谱谱线数据进行了降噪处理

取得了良好效果。采用该方法对内蒙某地区的航空γ能谱数据进行了处理

结果显示

该方法能有效降低原始能谱数据中统计涨落带来的影响

其降噪效果优于传统的降噪方法。

Abstract

The wavelet domain Wiener filter method

which combines the traditional wavelet method and the wiener filter

is established at CUT to reduce noising in as-recorded airborne gamma-ray spectra.It was used to treat an airborne gamma-ray data collected from an area in Inner Mongolia.The results showed that using this method

statistical noise could be greatly removed from the raw airborne gamma-ray spectra

and quality of the processed data is much better than those by conventional spectral denoising methods.

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