查询词典 mean square

Further, it is proved that the semi-implicit Euler method is convergent with order 1/2 in mean square sense for the linear test equation by virtue of properties of the conditional expectation.

在此基础上由条件期望的性质证明了半隐式Euler方法应用于线性试验方程时在均方意义下是l／2阶收敛的。

The root mean square of the primary mirror is affected by many problems, such as deadweight, deformation of heat and so on.

因此，在保证系统精度的同时，要尽可能的减少结构重量，所以在设计阶段就要根据光学系统的技术要求及影响因素对主反射镜的支撑方案进行综合考虑和全面分析，使其结构设计更为合理。

The mechanical causes of formation of joints can be judged by deflexion coefficient and/or the root of mean square of height of joint surfaces.

介绍了检验和分离岩石表面形貌中波纹度的方法，并研究了岩石表面形貌的波纹度特征。

Considering the mean square of the dynamics longitudinal force on the drawgear as an object function, and considering the rigid impact probability as a constraint condition, the optimizing software named TTCFDOS (Tractor-Trailer Combinations Flexible Drawing Optimization System) has been developed.

在对上述确定性参数系统进行频域分析的基础上，以牵引架上动态纵向力的均方值为评价指标和目标函数，以刚性冲击概率为约束条件，开发了挂接车辆柔性牵引优化设计软件系统TTCFDOS，对挂接车辆的柔性牵引参数进行了优化设计，获得了与挂接车辆经常行驶工况相对应的优化柔性牵引参数

Based on the current computer technology and sensor technology, according to the least mean square error principle, a kind of automatic emendation technologies is brought forward.

基于当前的计算机、传感器技术，根据最小均方误差理论，提出了一种改进的自校正技术。

This article estimates the extreme loss distribution with extreme value theory, estimates the shape parameter with HKKP estimator, which is unbiased to small sample data, selects the right threshold by selecting smallest mean square error of the estimated cumulative distribution function and empirical cumulative distribution function and based on the extreme value theory method, this article estimates the extreme loss distribution and the p-percentile operational loss under certain believe range for Chinese commercial banks, then calculates the operational risk supervise capital.

本文利用极值理论对中国商业银行操作损失极端值分布进行估计，针对尾参数估计的来用传统Hill佑计对小样本数据容易产生偏倚的情况，提出了采用Hill佑计的改进―小样本无偏估计的HKKP佑计来估计操作损失的尾参数，针对由于阈值确定不准确导致结果偏差大的情况，采用最小化估计的累计概率分布与经验累计概率分布平均平方误差的方法确定较精确的阈值，估计出给定置信水平下操作风险损失的分位数，从而使得中国商业银行操作风险监管资本的测定成为可能。

Multi-focus images are taken as experimental data, mean square error, difference coefficient, correlation coefficient are used to evaluate the results, and comparison with results based on wavelet transform is also carried out .

对多聚焦图像进行了实验，采用均方误差、偏差指数和相关系数对融合结果进行了客观评价，并与基于小波变换的融合进行了比较，实验结果表明该方法除分解2层时与小波性能相当，取其他分解层数时均获得更好的融合效果。

This paper reduces the range of ridge parameter according to the monotonicity of mean square error function.

本文通过分析均方误差函数的单调性，将K 的范围缩小到一个相对较小的区间。

The results of the test data indicate that the prediction system is reliable and the root of mean square error is about 15%.

对测试数据的预测结果表明，该预测系统能够可靠工作，预测结果的均方根误差在15%左右。

In this paper a blind adaptive multiuser detector based on Minimum Mean Square Error criterion is proposed.

该文提出了一种直接基于最小均方误差准则的盲多用户检测算法。

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。