均方值 meaning in English
quadratic mean value
rms
root mean square value
root-mean-square value
squared value
Examples
- 2 . the solution of the temperature variation is got during the rectangle impact
在此基础上，获得活塞温度变化的均值、均方值计算公式。 - Results show that 27 or 20 principal components can extract the dominating features of frf , and the corresponding covariances of the reconstruction error are 0 . 0097 and 0 . 0134 respectively
误差分析结果表明，采用27或20个主元能提取润扬悬索桥的主要动力特征，重构误差的均方值分别为0 . 0097和0 . 0134 。 - The acceleration is first evaluated from governing equation , secondly , the formulae of displacement and velocity are developed basing on some assumptions , and then the discrete expressions of the response mean square value are deduced
首先，直接从控制方程出发计算加速度，其次，给出了位移和速度的一种近似计算公式，最后，推导出响应均方值的离散计算表达式。 - Then , from the expressions of structural random response of the frequency domain , the computational expressions of the mean value , variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non - stationary random excitation are developed by means of the random variable ’ s
在此基础上，从随机振动频域分析出发，导出了在平稳或非平稳随机激励下，随机结构的位移响应均方值、应力响应均方值的数字特征计算表达式，通过算例验证了所建模型和所提求解方法的正确性和有效性。 - For the reduced system , the mean square criterion of stochastic melnikov process is derived to give the critical values of the probable onset of chaos and the conclusion is that the critical value turns from increase to decrease as the amplitude of weiner process increases in the interested parameter range
然后重点讨论了平均系统，经过推导得出相应的随机melnikov过程，用均方值准则导出随机系统可能产生混沌运动的临界条件，由此得到了在一定的参数范围内，随着weiner过程强度参数值的增大，混沌的临界激励幅值先递减继而递增。