查询词典 sampling method

This paper proposes a H∞ controller design method on the basis of multirate sampling technique, and its applications in the permanent magnetic linear synchronous motor system.

本文提出一种基于多频采样的H∞鲁棒控制器设计方法，同时探讨了该控制器在永磁直线同步电机中的应用。

This research was conducted under the standard experimental method,"nonequivalent pretest-posttest control group design", sampling from two third grade classes in Xing-xing elementary school in Taipei County as experimental class and control class respectively.

本研究旨在依据Williams创造思考教学模式，发展国小自然科教材设计，并经八周共32节的实验教学后，以探讨威廉斯创造思考教学模式教材设计对国小学生创造力认知、情意及自然科学业成就之影响。

In view of this problem,a parameter extremum optimization model is developed,in which such error factors as the decaying DC components,nonsynchronous sampling and harmonics are precisely depicted.A new measuring method based on the hybrid genetic algorithmis developed to use this model for finding accurate power system parameters such as the amplitude,phase,frequency and harmonics.

针对这一问题，建立了电力参数极值优化模型，同时对衰减直流分量、非同步采样及谐波等多个误差参数加以精确表示，利用混合遗传算法对该模型进行求解，可得到准确的系统幅值、相位、频率及谐波等电力参数。

In order to reduce the computational quantity of the processing of the LFM signal in fractional Fourier domain and to meet the real-time request, a new nonuniformly sampling method is proposed.

为了减少分数阶Fourier域线性调频信号处理的计算量，满足实时性要求，提出了一种新的非均匀采样方法。

In this paper, a kernel quantification theory IV is proposed through organical combining kernel function theory and quantification theory IV. The algorithm framework for the new model with large scale-sampling data is established on the basis of Lanczos algorithm which is an iterative method for finding the eigenpairs of a square matrix.

把核函数理论与数量化理论IV模型有机结合，提出了核数量化理论IV模型，并以高阶对称矩阵端部特征对求解的Lanczos算法为基础设计了大样本核数量化理论IV模型的算法框架。

Biological samples are very limited usually, and resonant-cavity perturbational method especially fit for the measurement of micro amount samples settled with the limitation of sampling.

通常生物组织的取样数量十分有限，因此微量介质的介电常数测量在生物介质特性测量领域显得十分必要。

The spatial regeneration pattern of the Picea wolsonii was studied in the two plots of different disturbance intensity according to the spatial sampling method and design.

依据地统计理论和方法，采取小支撑多样点的空间取样设计，在干扰强度不同的两个华北落叶松林分中设置样地，对云杉更新幼苗的空间格局进行了定量比较研究。

With fault signals of vibration tested in practice, this paper takes frequency-domain half-power bandwidth Gauss wavelets of continuity, index wavelets decomposition and equivalent bandwidth equivalent sampling discrete bi-orthogonal wavelets decomposition as basis, presents scaling correlated analysis correspondingly toward wave making vibration signals, and accurately realizes to decompose different stress wave speeds, and provides a method of analysis and calculation for accurated location and recognition of the polygenetic faults.

根据上述故障力学模型，我们提出并设计了相应的测试系统，对实测的故障振动信号，以频域半功率带宽连续高斯小波、指数小波分解和等带宽等采样离散双正交小波分解为基础，提出了相应的对波致振动信号的尺度相关分析，准确地实现了分离不同的应力波速，为多源故障的精确定位识别提供了分析和计算方法。

The ptical adjointing effect calibration method comprises: parameter initialization, precorrection, sampling an initial frequency, interpolating to calculate light intensity and dividing small lines, in an optical adjointing effect calibration cycle, using a dynamic adjusting algorism to adjust the division result to attain the result of the optical adjointing effect calibration.

包括参数初始化，预校正及初始频率采样，插值计算光强并切分出小线段，并在光学临近效应校正循环中利用动态调整算法对切分结果进行调整，从而取得光学临近效应校正的结果。

In order to select optimal grid and good computation efficiency to recover the entire signal, aiming at the Ricker wavelet commonly used in forward modeling, we analyzed the alias and signal restoration problem in finite-difference method based on spatial sampling theorem and seismic wave traveling regulation in media with different velocity, to derive quantitative relationship among the modeling grid size, minimum velocity of model layer, and recovered main frequency of wavelet.

为了选择最佳的网格尺寸以及以最小的计算量完整地恢复出信号，针对地震波场正演模拟中经常使用的Ricker子波，根据空间采样定理和地震波在不同速度介质中的传播规律，分析了有限差分算法中的假频和信号恢复问题，推导出模拟网格尺寸、模型地层的最小速度和能够恢复的子波主频之间的近似定量关系，并用数值算例验证了这一关系。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样