查询词典 range estimation

The result obtained from the estimation demonstrates that the estimation harmonic frequency, amplitude and phase are very accurate using the improved algorithm for the analysis of an unsynchronized sample sequence.

实验结果表明：该算法较FFT算法在频率、幅值和相位的估计值精度上有明显提高。

To reduce the influence of an unsynchronized sample sequence on FFT and improve the precision of harmonic in a power system, the harmonic estimation based on interpolation FFT algorithm is proposed. The estimation based on five coefficients of Rife-Vincent window is discussed in detail and the formulas for estimating harmonic patameters are deduced.

由于快速傅里叶变换在非同步采样时存在较大的误差，无法直接用于电力系统谐波分析，本文提出了一种基于五项窗Rife-Vincent插值FFT算法的谐波参数估计的新方法，并推导了其谐波参数估计公式。

The resolving power of time delay estimation method based on correlation is anglicized in theory and the way of improving performance of time delay estimation is advised.

理论分析了相关分析时延估计法的分辨能力，指出提高基于相关分析时延估计方法分辨性能的途径。

In order to design an actual pile foundation it is common to collect as much as possible information concerning pile ultimate load capacity for that project from available sources, induing estimation by using some empirical formulas, thus it forms an estimation distribution.

为具体桩基工程的设计，从各渠道收集到的有关该工程的极限承载力信息，包括用各种经验式估算，构成一个估计分布，然后结合实地进行的静载荷试验资料应用Bayes理论将上述各项数据进行综合更新，最终得到一个后验的极限承载力均值及其标准差。

Based on the conclusion, we adopt a new method to eliminate multiples, which is to use the statistic character of error, obtain inverse wavelet's estimation, correct misshaped inverse wavelets for non-orthogonality in inverse wavelet domain by the estimation. The method mainly has four steps.

在此基础上，本文提出了在逆子波域（单道自适应相减滤波的滤波算子的集合），利用其误差的概率分布特征，对逆子波进行估计，用逆子波的估计对逆子波进行校正来消除多次波的方法。

Firstly, after getting predicted multiples, we use adaptive subtraction algorithm to eliminate multiples and get some inverse wavelets corresponding to every trace in one shot gather, then construct inverse wavelets domain by those inverse wavelets. Secondly, use median filtering method to get inverse wavelet estimation in inverse domain. Thirdly, correct the misshaped inverse wavelets in inverse domain by the inverse wavelet estimation.

其步骤为：首先用SRMA方法预测出表面多次波，并对每一单炮进行单道自适应相减，得到逆子波，形成逆子波域；其次，在逆子波域采用中值滤波，提取接近真实逆子波的逆子波估计；第三，在逆子波域用逆子波估计对畸变的逆子波进行校正；最后采用校正后的逆子波来衰减多次波。

The estimation of noise level of noised image and the procedure of de-noising threshold estimation are put out in this chapter.

文章给出了含噪图像信号噪声水平的估计及不同尺度子图的消噪门限估测过程。

Multiple linear stepwise regression estimation and exponential smoothing estimation of time serial are used to obtain the estimating models of the 12 omening indices.

用多元线性回归预测和时间序列指数平滑方法预测，建立了12项单指标的预测模型。

Based on the study and inheritance of the domestic and overseas achievement in the related field, this thesis makes research into the theory and application: On theory, this thesis puts forward the concepts of Engineering Cost, Engineering Cost Management and Engineering Cost Estimation, analyzes the relation between them; And it introduces the factors which influence the engineering cost estimation, then puts forward the study of the methods; It particularizes the common methods of estimating the engineering cost, introduces the principle, the operation and the application condition, and analyzes the advantages and disadvantages of each method; By introducing the mention, the principle, the reasoning process and the comparison with the traditional reasoning mechanisms, it makes out the essence of this method, and views it as a whole.

本文在研究、继承已有国内外研究成果的基础上，在理论和应用方面都进行了研究：理论方面，提出了工程造价、工程造价管理、工程造价估算的概念，分析之间的相互关联；介绍工程造价估算的影响因素，提出对编制方法的探讨；列举出目前常用的工程造价估算方法，介绍各种方法的原理、使用方法及应用条件，分析各自的优缺点；通过介绍基于案例推理的提出、基本原理、推理过程和与传统推理机制的比较，剖析该方法的精髓，对其有了整体把握。应用方面，基于对研究对象的深刻理解，分析了工程造价估算问题和基于案例推理二者结合的必要性和可行性；建立了基于案例推理的工程造价估算系统，综合运用模糊数学、灰色理论、运筹学等知识，构造了系统算法；并运用上述理论和方法进行了实例分析，实现了基于案例推理的工程造价估算问题的初步研究，使得运用基于案例推理方法解决工程造价估算问题的设想得到了肯定。

The motion scope judgement search method based prognosticating the search beginning point, it utilizes the time relativity and the space relativity of block to prognosticate the search beginning point, and adopts the different search pattern according to the block motion scope, the search efficiency is close to the Three Step Search, which proves the feasibility of researching the new efficient motion estimation algorithm according to the characteristic of block motion to use the different search methods; In the end, this paper evaluates the advantage and disadvantage of the different fast algorithms through the data get from the experiment, it will have some reference value to bringing the new and effective motion estimation fast algorithm in the later research.

基于预测起点的运动幅度判断搜索法，该算法利用块的时间相关性和空间相关性来预测搜索起点，根据块的运动幅度大小分别采用不同步长的搜索策略，搜索效率比较接近三步法，证明了根据块运动的特性以结合运用不同的搜索算法来研究有效的运动估计算法的可行性。最后本文通过实验得来的数据来定量地分析评价各快速算法的优缺点，对今后提出新的更有效的运动估计快速算法具有一定的参考价值。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。