discretization of continuous time system

例句：

1. 1. The continuous time system is discretized for computational efficiency.
   为了计算效率，连续时间系统被离散化。
2. 2. In this study, we used the discretization method to solve the problem.
   在这项研究中，我们使用了离散化方法来解决这个问题。
3. 3. The discretization of the signal affects its frequency response.
   信号的离散化会影响其频率响应。