查询词典 range estimation

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。

Firstly, we simply introduce the basic knowledge of the comparison of estimate and model. Then, we use matrix partial order theory to compare the generalized ridge estimation with the least square estimation in section III of this chapter.

首先，简单介绍了估计和模型比较的基础知识，然后在本章第三节利用矩阵偏序理论比较了广义岭估计与LS估计。

As we know the correct estimation of power spectrum is the precondition for the reappearance of power spectrum, so the typical method of estimation – Periodogram, is taken into consideration.

功率谱再现的前提是对功率谱做出正确的估计，因此本文首先对功率谱估计的经典法——周期图法进行了研究，并根据实验结果指出其在进行功率谱估计时的不足之处。

The 6th chapter studies the application of spectral estimation theory including periodogram and multi-taper spectral estimation in the detecting activation.

接着在第六章我们研究了包括周期图和多窗口谱估计在内的谱估计理论在求取大脑激活区中的应用。

First, for state estimation problem of the linear stochastic systems with uncertainties in both the state matrix and the noise matrix, a new satisfactory estimator is constructed with stochastic theory, which can guarantee that estimator error system with bounded perturbed model parameter satisfies the constraint indexes that is given. Thus a sufficient condition of solving satisfactory estimation is obtained; secondly, the algorithm of designing satisfactory estimator is presented by analysis.

首先，根据满意控制思想，针对一类在状态矩阵及噪声矩阵中均含有不确定性的随机系统，设计一种满意估计器，使预测误差系统在模型的参数发生扰动时，依然满足预先给定的设计约束指标，得到了满意估计问题求解的充分条件；然后根据分析给出了满意估计器设计的算法。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。