均方根

The relationship among acceleration, road and running velocity was studying, and the research result offered the theory direction for future enhancement running test of self-propelled gun in the field.

其仿真试验通过强化试验路面上得到的不同车速下车辆驾驶员位置的垂直振动和水平振动加速度及其均方根值，解算出振动加速度与路面及行驶速度的关系。

The mean-square end-to-end distances obtained from lightscattering are consistent with the calculated values of Flory's method.

从光散射得到的均方根末端距与用Flory关系式计算的值一致。

The frequency fluctuation of the stabilized laser is held within 5.6 MHz and better than 160 MHz of the free-running laser. The root of Allan variance of error signals reaches a minimum of 1.66×10 -11 when averaging time is 64 s, well within the precision needed for application.

稳定后的激光频率波动小于5.6MHz，相对于自由运转时的160MHz有了很大提高，而误差信号的Allan方差均方根在平均积分时间为64s时达到最小值1.66×10-11。

Numerical simulation ; autocorrelation function ; root mean square ; Gauss distribution

数值模拟；自相关函数；均方根； Gauss分布

The RMS pulse width should be used when the subcyle hyperbolic secant pulses is described.

所以描述亚周期双曲正割脉冲时应该使用更加严格的均方根脉冲宽度。

The analytical expressions of two kinds of pulse width of ultrashort hyperbolic secant pulses were deduced,i.e.the pulse width at full width at half maximum which was used generally and the root-mean-square pulse width which was precise.

利用理论推导和数值模拟方法，给出了超短双曲正割脉冲较为严格的均方根脉冲宽度与通常使用的半高全宽脉冲宽度的解析表达式，并对两种脉冲宽度进行了比较。

The results show that the error does not change with different scenes of input images,and the error RMS of image motion is less than 0.2 pixel.

试验结果表明，像移测量的精度不随景物的内容而变化，测量得到的像移误差均方根值＜0.2 pixel。

The process of which is to solve the integer programming problem with the objective function that RMSE is minimal.

选择最优参数的过程即是对以均方根误差最小为目标的整数规划问题的求解过程。

The analysis indicates that the mean intensity distribution on the receiver plane is closely related to the ratio of the lateral correlation length to the surface root mean square height.

研究了粗糙目标对相干光场的散射，导出了在接收平面上光场的自相关函数、光强度的分布和光强度的二阶矩，在分析粗糙目标对激光脉冲后向散射的基础上，提出了后向散射光强度与目标均方根高度和相关长度的关系，阐明了粗糙目标的后向散射机理。

The results show that Legendre polynomial of order 11 and 9 can evaluate accurately through-thickness residual stress in the rolling and transverse direction, and the root-mean-square average of the uncertainty is respectively 2.9015 MPa and 4.7558 MPa.

结果表明：分别采用11阶和9阶勒让德多项式能较好地拟合铝合金板材内部轧向和横向残余应力的分布，不确定度的均方根值分别为2.9015MPa和4.7558 MPa。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。