commutation relation
英 [ˌkɒmjuˈteɪʃn rɪˈleɪʃn]
美 [ˌkɑːmjuˈteɪʃn rɪˈleɪʃn]
交换关系
双语例句
- For the latter, one does not need to use any commutation relation, thus it is very convenient.
第二种方法是应用“二次量子化”的方法来计算，这种方法不需要用对易关系，计算简便。 - Based on four single chop PWM modes used in BLDCM ( brushless DC motor) control system, the mathematic models of phase current and electromagnetic torque in course of commutation are derived. The relation between commutation torque ripples and PWM modes are discussed.
针对无刷直流电机的单斩PWM的4种调制方式，建立了换向过程中电机相电流及电磁转矩的数学模型，研究了换向转矩脉动与PWM调制方式的关系。 - The Commutation Relation of Angular Momentum and Rotational Symmetry
角动量对易关系与转动对称 - In Heisenberg picture the difference from the earlier multiple-scale perturbation solution is that the commutation relation of coordinate and momentum operator is naturally simplified and it is very convenient to get classical result from quantum one in limit condition.
此解与以前同类问题的多尺度微扰解不同，在Heisenberg表象中坐标和动量算符的对易关系的简化十分自然，并且量子解能十分方便地过渡到经典解。 - By using the relation between unlimited rotation and angular momentum, this article derives the commutation relation of angular momentum operators.
本文利用无穷小旋转与角动量之间的关系来推导角动量算符的对易关系。 - In this paper, the relativistic wave equation of hydrogen atom is studied in spinor formalism. The energy formula derived is the same as that derived by Γ-matrix method, but the commutation relation is not explicitly used in the calculation.
本文用旋量零标架方法计算相对论性氢原子能级，所得结果与Γ矩阵方法算得的结果一样，但不明显地使用任何对易关系。 - A derivation of commutation relation of angular momentum operators
角动量算符对易关系的一个推导 - By means of the commutation relation between the γ-matriees and the generators of the Lorentz group, we obtain the expression of gauge potential for the related "isotopic space".
借助γ-矩阵和洛仑兹群生成元的对易关系，得到相应的同位旋空间的规范势的表达式。