Daning Sheng

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Due to the requirement of the inverse planning process, TPS(treatment planning system) of IMRT (Intensity Modulated Radiation Therapy) needs accurate dose calculation method with high speed. A superposition /convolution algorithm for photon beams is presented in this paper based on Monte Carlo calculation. The dose distribution can be calculated by the(More)
Based on the dose distribution results under the condition of vertical incident beam by finite-size Pencil Beam (fsPB) matrix model using Monte Carlo simulation, this paper introduces the means of coordinate transformation, which can transform the dose distribution from the condition of vertical incident to the arbitrary collimator rotational angel. The(More)
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