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Aunder the condition of trenched field surface,the wetting front plotted in the laboratory ex-periments showed a good agreement with that by computer simulation,for example,after 600min,the largest error of the wetting front by two methods was less than 8cm.

对于矩形开槽处理粘壤土田面，在松土面积不变的情况下，松土效率随着耕宽的增加而降低，随着耕深的增加而增加，最佳参数为：松土间距s=80cm，松土深度h=10cm，松土宽度w=10cm。

Multiple antenna arrays are often used to overcome the effect of channel fading which is caused by multipath interference. In chapters 4 and 5 ,we derive spatial correlation equations of ULA ,UCA and CRA for two types of angular spread distributions (uniform distribution and truncated Gaussian distribution).We also compare the difference between these antenna arrays by showing the bit error rate simulation results and discuss the relationship between BER and spatial correlation. In a multi-user mobile radio environment , we present simulation results to show that adaptive MBER algorithms have better performance than the traditional MMSE algorithm.

多天线阵列常被用来克服多重路径干扰导致通道衰减的影响，我们对各种天线阵列架构进行比较，在第四、五章中推导出ULA、UCA与CRA个别对两种角度扩散机率密度分布的空间相关性函数，由实际实验模拟的位元错误率图形比较天线阵列间的差异，并讨论位元错误率与空间相关性之关连，在多用户端行动通讯环境下，我们也由模拟验证可适性MBER演算法，会比传统MMSE准则有更好的效果。

The idea is expelling the random error by the surface of field and getting exact result by the two-wheel speed signal's on-line treatment.

本课题的主要目的是研制一种面向农机具田间测速、测距的双轮测量装置，思路是通过对双轮速度信号的在线处理，排除地表状态引起的随机误差，使测量结果更准确。

The results from an example showed that the unbiased estimate of error variance could be obtained so that polygenic variance and polygenic heritability could not be underestimated. Moreover, the AIC values by using the average of two replications were less than that by using the observations of a replication.

在试验设计为重复内分组随机区组设计时，通过甘蓝型油菜初花期的遗传分析表明：这种方案的试验误差方差估计值无偏性好，可避免多基因方差和多基因遗传率被低估；重复观测值平均数的分离分析的AIC值低于利用单一重复资料的AIC值。

In this algorithm, the strongest corner points is adaptively detected with Harris operator and (2n+1)×(2n+1) feature windows is selected for originally mutual gray correlative matching. Continental distance ratio invariant criterion is proposed, and consistency of motion vector is improved by eliminating error matching points with median filter. 9 pairs right points is preserved, 4 pairs composing 1 group, and 5 groups is random distributed to uncoil the motion vector equations. Last, stabilization precision is improved by averaging the 5 groups' solutions.

该方法用Harris算子自适应检测出最强壮的角点，开辟(2n+1)×(2n+1)特征窗进行灰度互相关初匹配；提出欧式距离之比不变准则，通过中值滤波剔除误匹配点，确保运动矢量较高的一致性；最后保留若干正确的匹配点对，分成多组解运动矢量方程，将多组解的平均值作为全局运动矢量以提高稳像精度。

Continental distance ratio invariant criterion is proposed,and consistency of motion vector is improved by eliminating error matching points with median filter.9 pairs right points is preserved,4 pairs composing 1 group,and 5 groups is random distributed to uncoil the motion vector equations.Last,stabilization precision is improved by averaging the 5 groups′ solutions.

该方法用Harris算子自适应检测出最强壮的角点，开辟(2n+1)×(2n+1)特征窗进行灰度互相关初匹配；提出欧式距离之比不变准则，通过中值滤波剔除误匹配点，确保运动矢量较高的一致性；最后保留若干正确的匹配点对，分成多组解运动矢量方程，将多组解的平均值作为全局运动矢量以提高稳像精度。

If a man has a mind to be thought wiser, and a woman handsomer, than they really are, their error is a comfortable one to themselves, and innocent one with regard to other people; and I would rather make them my friends by indulging them in it, than my enemies by endeavoring to undeceive them.

如果超越实际，一个男人想变成想法上的聪明人，女人变成端庄秀美之人，他们的错误在于对于自身是安逸的想法，他人看来是头脑简单的。我宁愿纵容他们去做，成为朋友，也不愿费力的使他们明白过来，成为敌人。

The model was built by partial least squareregress.Compared to the model using the whole original spectra,the root mean square error of predictionof glycerol gonolaurate and lubricant was improved from 7.9557 to 6.6787,and 0.2383 to 0.1031 respectively.(4)In uninformative variable eliminationalgorithm,the cutoff threshold of UVE is evaluated by adding a noise matrix which size is the same with instrumental response data.

提出的方法应用于月挂酸成分预测的红外光谱和机油分类的可见-近红外光谱中，用偏最小二乘回归建立模型，相比于用全光谱建立的模型，月挂酸的成分预测均方根误差分别从7.9557提高到6.6787，机油分类的成分预测均方根误差从0.2383提高到

Normal vectors, Gaussian and mean curvatures estimation are obtained by different curvatures estimation methods, and the error is computed by comparing estimation results with real ones on the sphere of unit radius and toms.

在单位球面和环面上，利用不同的曲率估计方法得到法向量以及高斯曲率，平均曲率的估算值，再将估算值与实际值做比较求误差。

Users must find out by trial and error or by referring to the tiny icons next to the knobs. The unnaturalness of the mapping compels users to figure this relationship out anew every time they use the stove.

用户必须通过试验或者参考旋钮下的图标来确定，这种不自然的映射迫使用户在每次使用气炉时都不得不重新确定映射关系。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷