原子能科学技术Issue(1)：147-151,5.DOI:10.7538/yzk.2014.48.01.0147
基于康普顿散射本底扣除的航空γ能谱测量谱线比大气氡校正方法
Spectral-ratio Radon Background Correction Method in Airborneγ-ray Spectrometry Based on Compton Scattering Deduction
摘要
Abstract
γ-ray released by the radon daughter has severe impact on airborne γ-ray spectrometry .T he spectral-ratio method is one of the best mathematical methods for radon background deduction in airborne γ-ray spectrometry .In this paper ,an advanced spectral-ratio method was proposed which deducts Compton scattering ray by the fast Fourier transform rather than tripping ratios ,the relationship between survey height and correction coefficient of the advanced spectral-ratio radon background correction method was studied , the advanced spectral-ratio radon background correction mathematic model was established , and the ground saturation model calibrating technology for correction coefficient was proposed .As for the advanced spectral-ratio radon background correction method , its applicability and correction efficiency are improved ,and the application cost is saved .Furthermore ,it can prevent the physical meaning lost and avoid the possible errors caused by matrix computation and mathematical fitting based on spectrum shape w hich is applied in traditional correction coefficient .关键词
航空γ能谱测量/氡本底校正/谱线比法/校正系数Key words
airborne γ-ray spectrometry/radon background correction/spectral-ratio method/correction coefficient分类
能源科技引用本文复制引用
谷懿,葛良全,熊盛青,周坚鑫,范正国..基于康普顿散射本底扣除的航空γ能谱测量谱线比大气氡校正方法[J].原子能科学技术,2014,(1):147-151,5.基金项目
国家自然科学基金资助项目（41204090）；863计划资助项目 （）
