查询词典 parameter estimation

For shorten of testing time and estimation of assured precision in safe storage life of propellants by Berthelot equation, feasibility in increase of testing temperature was put forward.

为了缩短试验时间，且保证通过Berthelot方程推算火药安全贮存寿命的精度，提出了提高试验温度的可行性。

There are many noise sources in measuring the seismometer transfer function, the main noise sources are investigated. The method of cross-special analysis is presented, flow process diagram of computing is given, the algorithms are discussed in detail, such as low-pass digital filter, computing of seismometer transfer function initial values, time domain convolution, bilinear transformation, estimation of power spectrum and cross-spectrum, window functions and preprocessing of measuring data etc.

在地震计传递函数测试过程中的存在多中噪声，本文分析了主要的噪声来源；介绍了用互谱分析方法测试地震计频率特性的基本原理和方法；给出采用该方法确定地震计传递函数的算法流程图；并对计算过程中采用的低通滤波器、地震计传递函数的初值确定方法、卷积运算方法、自谱和互谱估计、采用的窗函数和测试数据的预处理进行了详细讨论。

Backtrack test shows that this model has better estimation effect to bimodal distribution.

返回检验表明，该模型对双峰分布有更好的估计效果。

The effectivity of Bayesian statistical method on the estimation of bimodal distribution is shown by numerical simulation.

较详细介绍了贝叶斯统计方法在海浪方向谱估计中的应用，指出先验分布的不同对估计结果没有影响，由于均匀分布与最大熵原则相对应，使其具有某种特殊性。

This paper revisits one of the most basic and methodologically important problems in statistical practice, namely, interval estimation of the probability of success in binomial distribution.

本文讨论了一个统计中很重要的问题：二项分布成功概率的区间估计。

To improve the performance of image-denoising methods, a locally adaptive denoising algorithm was presented. The new algorithm assumed the statistical dependence among wavelet coefficients. First, a bivariate probability distribution model was introduced to model the statistics of wavelet coefficients, and corresponding nonlinear threshold function was derived from the model using the Bayesian estimation theory.

由于图像小波系数存在很大的层间相关性，引入双变量概率分布模型，基于贝叶斯估计理论，得到了相应的非线性阈值函数；基于层内局域方差估计，利用该收缩函数得到一种局域自适应的图像去噪算法。

As to the effect, opinions differ from each other, everybody knew effectual, still have a lot of, estimation did not risk even bleb.

至于效果，见仁见智，有效果的大家都知道了，还有很多，估计连水泡都没有冒一个。

BMEICS synthesizes the character of block motion estimation and that of global search, diversity, and no prone to premature in immune clonal selection.

仿真实验结果表明，在大多数序列上，该算法都比已有的快速搜索算法具有更高的性能和更少的平均搜索点数。

Tridiagonal block matrix elemination and sweep algorithm is successfully applied to solve the large matrix involved; central difference method is supplemented to Houbolt method to form a time integration method with estimation and correction, to solve the time integration of second order implicit non-linear equation; simplification of system equation by decoupling between the physical coordinates x and y further improves the calculation accuracy and speed.

其中：成功地引入块三对角矩阵追赶法求解上述问题构成的大型矩阵；提出中心差分法+Houbolt法的预估计—校正时间积分法，以解决二阶隐式非线性方程的时间积分问题；系统方程在物理坐标x和y上的"解耦"简化，使计算速度和计算精度得以进一步的提高。

"Waited so a few years, do poineering work board estimation wait a lot of years again even, we had begun now Hong Kong or abroad appeared on the market."

"等了这么几年，创业板估计还要再等好多年，我们现在已经着手香港或海外上市了。"

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。