CAJ | 학술논문

基于光谱匹配算法是可调光源产生种类多样光谱分布的必要手段，提出 Levenberg-Marquardt算法作为光谱匹配算法。利用峰值位置等间隔均匀分布的理想高斯曲线作为LED发光光谱，借助该设定的一系列曲线仿真模拟目标光谱，实验表明，利用该算法模拟太阳、沙漠、海洋和植被的相对光谱分布，相对光谱差异分别为2．17％、1．76％、2．03％、1．7％。利用实验室现有L ED的发光光谱进行验证实验，匹配3种目标光谱的相对差异均小于5％。实验结果表明，Levenberg-M arquardt算法可应用于光谱可调积分球光源的光谱匹配。
기우광보필배산법시가조광원산생충류다양광보분포적필요수단，제출 Levenberg-Marquardt산법작위광보필배산법。이용봉치위치등간격균균분포적이상고사곡선작위LED발광광보，차조해설정적일계렬곡선방진모의목표광보，실험표명，이용해산법모의태양、사막、해양화식피적상대광보분포，상대광보차이분별위2．17％、1．76％、2．03％、1．7％。이용실험실현유L ED적발광광보진행험증실험，필배3충목표광보적상대차이균소우5％。실험결과표명，Levenberg-M arquardt산법가응용우광보가조적분구광원적광보필배。
Spectrum-tunable light source is an integrating sphere source illuminated by a large number of LEDs with different spectral peaks and distributions .The spectral matching algo-rithm is an essential approach to produce varieties of spectra .Levenberg-Marquardt algorithm was proposed and a series of simulations using Gaussian curves with an equal interval were con-ducted .The results of simulations show that Levenberg-Marquardt algorithm can make spec-trum-tunable source produce solar ,dessert ,ocean and vegetation spectrum ,respectively ,the relative spectrum differences are 2 .17% ,1 .76% ,2 .03% and 1 .7% ,respectively .T he vali-dating experiment for a number of target distributions was performed ,and the relative spectral differences are all no more than 5% .T he experiment verifies that it is feasible to produce dif-ferent spectral distributions by using Levenberg-Marquardt algorithm for spectrum-tunable in-tegrating sphere light source .