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  • 基于蒙特卡羅的核脈沖信號模擬
    《中國測試》雜志

    王紅印1, 周建斌1, 周  偉1,2, 王  雪1, 盧圣才1, 李  建1
    (1. 成都理工大學核技術與自動化工程學院,四川 成都 610059;
    2. 中國礦業大學 煤炭資源與安全開采國家重點實驗室,江蘇 徐州 221116)
    摘  要:介紹一種基于蒙特卡羅的核脈沖信號模擬方法,闡述蒙特卡羅方法中實現直接抽樣和替換抽樣的關鍵技術要點,并基于VC++開發環境實現負指數信號、正弦信號及含有噪聲的核脈沖信號的軟件模擬。從仿真結果來看,運用蒙特卡羅方法模擬的核脈沖信號能真實地描繪放射現場的輻射情況,滿足模擬隨機的核脈沖信號的要求。
    關鍵詞:核脈沖信號;蒙特卡羅模擬;抽樣算法;計算機仿真
    中圖分類號:TL82;TN782;O211.9;TM930.12       文獻標志碼:A        文章編號:1674-5124(2013)03-0121-04
    Simulation of nuclear pulse signal based on Monte Carlo method
    WANG Hong-yin1, ZHOU Jian-bin1, ZHOU Wei1,2, WANG Xue1, LU Sheng-cai1, LI Jian1
    (1.College of Nuclear Technology and Automation Engineering,Chengdu University of Technology,
    Chengdu 610059,China;
    2. State Key Laboratory of Coal Resources & Mine Safety,China University of Mining & Technology,
    Xuzhou 221116,China)
    Abstract: A simulation method of nuclear pulse signal based on Monte Carlo method was presented in this paper. And the important technical points of direct sampling and replacement sampling in Monte Carlo were introduced. Software simulation of the negative exponential signal, the sinusoidal signal and nuclear pulse signal containing noise was achieved in VC++ integrated development environment. Simulation results show that the nuclear pulse signal simulated with Monte Carlo method can describe a real situation of radiation-site and will meet the requirements of the simulation of random nuclear pulse signal.
    Key words: nuclear pulse signal; monte carlo simulation; Sampling algorithm; Computer simulation
     
     
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