查询词典 fractional integral

For the diffractive optical element realizing beam shaping in the fractional Fourier transform domain,the transform matrix calculated by the discrete sampling points was compared with that calculated by the Fresnel integral,and the discretization error of the intensity distribution on the output plane was qualitatively obtained.

针对分数傅里叶变换衍射光学光束整形器件，比较了按离散点与按菲涅耳积分计算得到的变换矩阵间的差距，从中分析得出按离散点计算的变换矩阵引入的离散化误差与分数傅里叶变换系统参数的关系。

Fractional derivative is the concept of extension of the integral order.And it has a wide range of real meaning,it can describe many phenomenon of the natural world.

分数阶导数是整数阶导数的概念的延伸，其具有广泛的实际意义，它能描述自然界的许多现象。

By analyzing the compute results of the integral-exponent-function and the fractional exponent function, conclusion is obtained that the second will improve the precise for its superiority in avoiding "Romberg" phenomenon.

通过对比分析整数次幂和非整数次幂拟合的计算精度，得出了非整数次幂逼近拟合能消除龙格现象，使用非整数次幂进行拟合可使精度提高的结论。

The concepts of fractional derivatives and integral were proposed three hundred years ago.

分数阶微分和积分的概念产生于三百多年前。

Our DC motors range from fractional to integral HP.

我们生产全范围的低压直流电动机。

An adaptive notch filter is presented to analyze integral and fractional harmonics of variable fundamental frequency.

摘要采用自适应陷波滤波器实现基波频率可变的多谐波(包含整数次谐波和非整数次间谐波)分析。

The chaos, chaos synchronization and anti-control of integral and fractional order nano parameter resonator system are studied in this thesis.

本篇论文探讨了整数阶与分数阶奈米参数共振器系统的浑沌及其同步与控制。

Chaotic behaviors of integral and fractional order double Mackey-Glass time delay systems are studied by phase portraits and bifurcation diagrams.

本篇论文以相图及分歧图等数值方法来研究双Mackey-Glass系统的整数阶与分数阶的浑沌行为。

Secondly, the difference of two Gaussians receptive field between fractional and integral differential of digital image was discussed in view of signal processing and biologic vision nerve model respectively.

计算机数值实验结果表明，对于纹理细节信息丰富的图像信号而言，分数阶微分对灰度变化不大的平滑区域中的纹理细节信息的增强效果明显优于整数阶微分运算。

Chaos synchronization and chaos-excited hyperchaos, for integral and fractional order rotational machine system with centrifugal governor are studied in this thesis.

本篇论文研究整数阶与分数阶带离心式调速器之旋转机器系统的浑沌同步与浑沌激发之超浑沌。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。