数字多道中梯形成形算法的 FPGA 实现
수자다도중제형성형산법적 FPGA 실현
FPGA-based Trapezoidal Shaping Algorithm in the Digital Multi-channel System
  • 万方数据
    核电子学与探测技术 핵전자학여탐측기술
    NUCLEAR ELECTRONICS & DETECTION TECHNOLOGY
    2014年 1期 78-82 ,共5页

    朱玉玉%焦波%杨民

    주옥옥%초파%양민

    数字多道%滤波%梯形成形%现场可编程门阵列 數字多道%濾波%梯形成形%現場可編程門陣列
    수자다도%려파%제형성형%현장가편정문진렬
    digital multi-channel%filter%trapezoidal-shaping%FPGA
    针对数字多道核谱仪系统，研究并实现了数字滤波梯形成形算法。从数学理论上对算法可行性进行论证，并利用Matlab仿真验证；采用FPGA技术对该算法建模及Modelsim仿真分析，完成了数字多道的研制。通过NaI（ TI）探测器进行55 Fe源能谱实测结果表明，该算法能够达到最佳滤波成形效果，改善了数字多道的各方面性能，在自主研制的多道分析器中得到了成功应用。
    침대수자다도핵보의계통，연구병실현료수자려파제형성형산법。종수학이론상대산법가행성진행론증，병이용Matlab방진험증；채용FPGA기술대해산법건모급Modelsim방진분석，완성료수자다도적연제。통과NaI（ TI）탐측기진행55 Fe원능보실측결과표명，해산법능구체도최가려파성형효과，개선료수자다도적각방면성능，재자주연제적다도분석기중득도료성공응용。
    A research and realization of digital -filtering trapezoidal shaping algorithm are proposed for the digit -al nuclear multi-channel spectrometer system design .We demonstrated the feasibility of the algorithm based on mathematical theory and used Matlab for the simulation , as well as realized an algorithm modeling and Mode-lsim simulation analysis with FPGA technology to complete the construction of digital multi -channel system . The 55Fe source(by NaI(TI) detector) spectra measured result has showed that this algorithm can achieve the best filtering and shaping effect and improve system performance of all aspects , which is applied in self -devel-oping multi-channel analyzer successfully .
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