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ensemble average

  • 系综平均：在统计物理中，系综代表一定条件下一个体系的大量可能状态的集合，是系统状态的一个概率分布。

双语例句

  1. Formulas are derived for the ensemble average of the pulse power and the RMS pulse width.
    得到了在光纤中传输的脉冲光功率的系综平均值和输出脉冲宽度的均方根值的近似解析公式。
  2. An improved ensemble average algorithm is studied and the computation speed is greatly improved.
    还提出了一种改进的整体平均算法，使得该不变量计算速度大为提高。
  3. It takes a long time to get the SNR curve of a simplest bistable system because the ensemble average must be applied to the system.
    然而，由于要进行系综平均，即使要得到最简单的双稳态系统的信噪比曲线也需要很长时间的运算。

网络短语

  • Ensemble average method
    集总平均法
  • ensemble average technique
    集平均
  • ensemble average increment
    综合平均能量增量

同义词

expected value
[数]总体均值；统计平均值

英英释义

  • In statistical mechanics, the ensemble average is defined as the mean of a quantity that is a function of the micro-state of a system (the ensemble of possible states), according to the distribution of the system on its micro-states in this ensemble.