误差的均方

These algorithms might not only recover carder phase , but also achieve lower residual mean squared error .

该算法不仅能够完成信道均衡，纠正相位旋转，而且可以获得较低的剩余均方误差。

We present a method of circular arc fragmented curve-fittingbased on least mean-square error rule in this paper.

文摘：提出了一种基于最小均方误差准则的圆弧分段曲线拟合方法。

Based on GSDE, an exact test of variance component is obtained by applying generalized p-value method.

同样地，证明了均方误差意义下方差分量矩阵的谱分解估计一致优于ANOVA估计。

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。

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。

A fast encoding algorithm based on the Mean Square Error distortion for vector quantization is introduced.

研究了一种基于均方误差测度的矢量量化快速编码算法。

The method focuses on minimizing the ensemble mean square error of the estimation.

该方法可以估计的总体均方误差最小。

Four types of nonlinearity in recording procedure are analyzed in the Magneto-Optical recording.

根据最小均方误差准则，提出不同记录密度下的均衡器参数的设计方法。

A filtered transformation and a stochastic control Lyapunov design method are applied to Marino-Tomei systems driven by Wiener noises of unknown covariance. A parameter adaptive law and a control law are obtained to ensure that the closed-up systems are noise-to-state stable and the tracking error can converge to a small residual set around the origin in the sense of mean quartic value in average.

通过滤波变换，采用随机控制Lyapunov设计方法，对于受方差未知的Wiener噪声干扰的Marino-Tomei非线性系统，给出了参数自适应律和控制律，使得闭环系统成为噪声--状态稳定的，并且跟踪误差的4次均方值在时间平均意义下收敛到一个足够小的区域内。

Chapter 2 discusses the function of optimum array based on the minimum meansquared error principle in CDMA system, the method of produce the reference signal, and proved whether the reference signal is the correspond PN code sequence or respread signal, the result of the array's weight converge can converge the same optimum weight under the condition that the PN sequence in a bit of data is long enough. In this chapter, we finally get the beam pattern and the correlate bit error rate after converge when several CDMA signal arrives in different direction.

本文的主要贡献及创新之处是：首次从理论上探讨了基于最小均方误差准则的最优天线阵在CDMA系统中的多址干扰抑制性能及其参考信号的产生方法，证明了采用有用信号相应的扩频码作为参考信号与采用将解扩信息与扩频码进行重扩频后的信号作为参考信号来调节自适应天线的权值均可使权值收敛于同一最优解。

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。