文中首先对用于有效值计算的逐点积分法与浮点开方算法进行了论述，并在此基础上介绍了系统的检测原理。
Firstly, the testing principle of this system is introduced on the basis of discussabout point-by-point integration method and floating-point evolution.
通过计算机模拟和波面实际测量，对十字路径积分法、傅里叶变换积分法和区域波前重构法三种主要算法的重建精度进行了对比研究。
The simulation and the experiment results demonstrated the precision of cross path integration techniques, Fourier transform integration and area wave-front reconstruction method.
介绍了钻柱系统动力学模型以及其数值算法，对直接积分法中的NEWMARK法和HHT法的计算过程进行了详细的阐述。
Describes drill string dynamics system models and numerical algorithms. And describes the details of NEWMARK method and HHT method.
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