查询词典 estimation

The results show that GPS ground tracking data can be used for estimation of high rate satellite clock errors.

结果表明，利用地面跟踪站的GPS观测数据，可高精度、高密度地估计GPS卫星钟差，估计精度可达0.1～0.5ns。

In the scheme, we use a path time delay estimation method to improve the accuracy of the correla- tion based symbol synchronization methods, and use a tracking loop to lock the symbol synchronization and to track the sampling clock.

在该算法中，我们使用一种路径时延估计的方法来提高基于相关算法码元同步的准确性，并采用一个跟踪环路来锁定码元同步和跟踪采样时钟。

This method is used to estimate cost of new parts according to existing cost data of similar parts by calculating fuzzy close-in degree of new parts with existing similar parts,and manufacturing cost estimation can be implemented at the initial stage.

提出了一种基于相似性的零件成本估算方法，该方法通过计算新零件与类似的已有零件的贴近度，依据类似的已有零件成本资料估算新零件的成本，实现了零件制造成本早期估算。

A general modeling structure of the system is established. Based on concepts of cluster and closed ball, an algorithm is put forward for multi-sensor multi-target data fusion and an optimal solution for state estimation is presented.

建立了炮兵系统多传感器信息融合模型的总体结构，在闭环和聚类概念的基础上，提出了一种简单可行的融合算法，并给出了状态估计的最优解。

With the help of this variable, a much better model is obtained. Its estimation errors and prediction errors are all very small closing to the measurement error level.

另外，当用一种同系物系列中的化合物构建投影方向时，能得到一个针对同系物的分类，并由此提出了类距离变量，用类距离变量可以建立非常优良的构性关系模型。

And the closure property of inverseM-matrices under Hadamard product are analyzed, the properties of generalizedPerron complement of inverse M-matrices, inequality of Fan product of H-matricesand Perron root estimation of nonnegative matrix are studied.

本文研究了逆M-矩阵的性质和完成，并且讨论了有关逆M-矩阵Hadamard 积的封闭性，不可约逆M-矩阵的广义Perron补，H-矩阵的Fan积不等式以及非负矩阵的Perron根的估计。

Such analysis shows that:(1) Some OH masers are confirmed of their radiative pumping mechanism while some other OH masers might be pumped by other mechanisms, and for another set of OH masers whose radiative pumping lines which is expected by our estimation based on modeling work are not detected, which may be due to other reasons such as clumpy OH shell and limb filling emission effect.

这些分析结果显示：(1)除了一些OH／IR源的OH 1612MHz脉泽可能确实是由红外辐射抽运的外，另有一些OH／IR源可能是由其它抽运机制抽运的，还有一些OH／IR源，可能是由于诸如OH脉泽壳层分布不均匀或OH脉泽壳层填充发射等原因，其光谱中的这两条红外吸收线按照模型估计本应该被探测到而实际上却没有探测到。

Finally, a primary estimation of operation cost for defluorination using PAC as coagulant is made.

最后对碱式氯化铝用于除氟的运行费用进行了初略估算。

On one hand, the accuracy of motion estimation affects the efficiency of the video coder.

一方面，运动估计的准确程度将决定视频编码效率。

On the one hand, the accuracy of motion estimation directly affects the efficiency of the video coder.

它极大地消除了视频序列的帧间相关性，大大降低了对存储空间和传输比特率的要求。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。