查询词典 estimation

In this paper, the effections on time skew estimation with non-ideal test signal are studied using spectrum analysis method, and an algorithm of time skew estimation is presented, the validity of the algorithm is verified by the computer simulation.

本文采用频谱分析方法，研究了非理想测试信号对时间偏差估计的影响，提出了一种新的时间偏差估计算法，通过计算机仿真数据验证了算法的有效性。

AS-asign algorithm involve two LMS algorithms, the first is the estimation of the tap coefficients, and the second is the estimation of the optimal step size.

包括两个LMS算法，一个LMS算法是用平均Sign-regressor方法调整线性多用户检测器的权值系数，另一个LMS算法是通过第一个LMS算法得来的权值系数自适应地计算最佳步长。

This paper presents in detail principal theory used to solve linear unbiased least variance estimation problem using Givens-Gentleman orthogonal transformation without square root computation and applies the theory to three stage-multiarc estimation.

本文详细介绍了利用不求平方根的Givens-Gentleman正交变换解线性无偏最小方差估计问题的基本原理以及这种方法在卫星激光测距三级复弧估计技术中的具体应用，给出了计算估值协方差的一组新的公式。

This paper discusses the influence of both quantization and noise upon the estimation results in phase estimation algorithm based on orthogonal transformation.

摘要论文分析了采用正交变换的相位差计算法中量化误差与噪声对估计结果的影响，得到了估计值的分布特性、方差以及偏差的分布规律。

Estimation was made of oviposition cycle duration and survival rates of natural populations, and effects of wind speed on the estimation of population parameters were observed.

在确定媒介蚊虫传病效率时，平均存活率和产卵周期是最重要的两个昆虫学参数：这些参数决定了蚊虫的寿命和蚊媒病原体的净增殖率。

In addition, this approach was used in the estimation of the composition of the product P with a single time delay system in the oil refinery process. In comparison to the filtering approach without delay information, the estimation error of the proposed method is smaller.

应用本文所提方法对由石油精炼过程构成的单时滞系统中的产品 P 含量进行了估计，并与时滞无关的无偏H∞滤波器相比，时滞有关的无偏H∞滤波器的估计精度高，说明了本文方法的可行性。

The distances estimation algorithm between object and base-stations is studied in detail, which provides pseudo-distance observation data for location object\'s status parament estimation.

深入研究了定位物体与定位基站的距离估计算法，为定位物体的位置、速度和姿态角等状态参数估计提供了伪距观测数据。

For some parametric estimation, whether it is the best estimation or not, its consistency, unbiasedness, effectiveness, invariance, and so on are often discussed. Then, it is compared with the data we get from experiment, and the deviation with the experimental data is considered.

某一参数估计是否是"最优"估计，通常要从一致性、无偏性、有效性、不变性等方面进行讨论，进而通过实际的观察对其进行数据拟合，分析其相对于实际模型的偏差程度。

An accurate model of the motor system can be used to design a proper servo control system. At last, the estimation methods in the thesis can be easily transformed into CAD programs, and we can perform parametric estimation by using I/O data of real systems.

最后在本篇论文的这个系统判别法则可以很容易的转换成电脑辅助设计程式，并且可由实际系统的输入输出资料来取得较佳的参数估测。

Finally, optical flow estimation is performed based on the least square method and partial derivative estimation.

然后通过最小二乘法并结合图像的偏导数进行光流场估计。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。