V2EX timestep

Timestep

释义 Definition

timestep(也常写作 time step)指“时间步长 / 时间步”:在仿真、数值计算或时间序列模型中,把连续时间离散化后每次推进的固定时间间隔(如 0.01 秒、1 分钟等)。也可指一次更新所处的“某个时间步”。

发音 Pronunciation

/tamstp/

例句 Examples

The simulation uses a timestep of 0.01 seconds.
该仿真使用 0.01 秒的时间步长。

If the timestep is too large, the numerical solution may become unstable and drift away from reality.
如果时间步长过大,数值解可能会变得不稳定,并逐渐偏离真实情况。

词源 Etymology

time(时间)+ step(步、步进)组合而成,字面意思是“时间上的一步”。在计算机仿真、控制与物理建模中常用来表示“每次推进时间的间隔”。

相关词 Related Words

文学作品用例 Literary Works

该词主要属于科学与工程写作(教材、论文、技术文档)中的术语,在传统文学作品中出现较少;在涉及计算与建模的科普与技术类著作中较常见,例如数值分析与计算物理相关教材会频繁使用 timestep/time step

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