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1. 辐射物理及技术教育部重点实验室
2. 四川大学原子核科学技术研究所,成都,610064
3. 四川大学华西医院
4. ,成都,610041
Published:01 March 2004
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[1]杨代伦,勾成俊,唐志全,罗正明.矩阵模型光子束剂量算法的改进[J].核技术,2004(03):222-227.
YANG Dailun1 GOU Chengjun1 TANG Zhiquan2 LUO Zhengming1 1. Modifications of dose algorithm by matrix model for photons[J]. Nuclear techniques, 2004, (3): 222-227.
改进了矩阵模型剂量算法.建立了射野矩阵、质心插值公式.提高了计算效率。该方法与AAPM55#测试结果及直接实验测量值进行比较和检验
结果表明
计算速度快
适合作为放射治疗计划系统的快速剂量算法。
The dose algorithm by matrix model has been modified. The jobs involved include the establishment of the matrix of field with the convenience and nicety to deal with every fields
and a formula on interpolation of cen- troid was brought forward to increase the precision of computation. Because of its higher calculating speed
the algo- rithm is suitable to the speediness of the treatment planning systems.
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