With numerical simulations, a model was reconstructed by basic ART, simultaneous ART (SART), modified SART (MSART).SSART was simulated at the same time.

• 采用数值模拟的方法，对当前有代表性的基本代数迭代法(ART)、联合代数迭代法(SART)、改进的联合代数迭代法(MSART)以及SSART进行了计算模拟，对比分析了各种算法的模拟效果和重建精度。