该文讨论傅氏变换中的二个时域积分特性,在求解频谱函数中的应用方法,并举例予以说明。
This paper discusses the application methods on solving frequency function and sets examples, in the two integral characters of time domain on Fourier conversion.
也不仅是因为他发现了光谱的特性,发明了微积分。
And not only did he discover the spectral properties of light and invent calculus.
在积分网格中,取高斯点的材料参数来模拟材料特性的变化。
In quadrature elements, variations of material properties are simulated by adopting material parameter of Gauss point.
在结构动力分析中提出了建立冲量方程并求解的方法,给出了该方法的积分格式并讨论了其数值稳定性、精度等数值特性。
Both the impulse equations of structural dynamics and the solution were established, and the (numerical) stability and accuracy of the integral formulation were also discussed.
运用积分抽样理论分析了该方法传输图像的机理和特性。
An integral sampling theory is employed to investigate principle and characteristic of the method.
采用有限元数值计算方法对液浮积分陀螺仪在过载-振动复合环境中的动力学特性进行研究。
The dynamic characteristic of the liquid floated integral gyro under over loading and vibration compound dynamical environment is studied by finite element method.
我们对它进行初等性质及分析性质的研究,可深入了解其特性,并广泛用于解决一些微积分的问题。
We carry on the primary nature and the Analysis nature archery target research to it, but thoroughly understood its characteristic, and widely USES in solving some fluxionary calculus problems.
用广义惠更斯菲涅耳衍射积分对扭曲高斯谢尔模型光束通过有限尺寸透镜的聚焦特性作了详细研究。
In this paper, using the generalized HuygensFresnel diffraction integral, the focusing properties of twisted GaussianSchell model beams through an aperture lens have been studied in detail.
对线加速度计辅助惯性姿态角测量的误差分析表明,测量误差由加速度计噪声、二次积分离散化、信标噪声和加速度计频率特性误差组成。
The error analysis shows that the measurement error is caused by the noise of the accelerometer, discrete double integration, noise of beacon and frequency characteristic error.
该方法是将互感线路的伏安特性方程转化为积分形式,并采用了最小二乘法求解方程组,同时得出各线路的零序自阻抗及线路间的零序互阻抗。
The new method turned the volt-ampere characteristic equation of transmission lines into an integral form, then used least square method to solve the equations and got the zero-sequence parameters.
在分析了振动信号固有特性的基础上,提出了一种基于频域积分的振动参量转换波形修正算法。
Based on the analysis of the inherent characteristic of the signal, an algorithm that called the modification of the vibration parameter transform based on frequency domain integration is introduced.
采用矩阵分解的方法,从柯林斯衍射积分公式出发,对高斯光束通过失调空间滤波器的传输特性进行了分析,得到了相应的解析式。
Based on the method of matrix decomposition, and the Collins diffraction integral formulae, the propagation characteristics of a Gaussian beams passing through misaligned spatial filter are studied.
铅粉机是一个多变量耦合的、具有双重积分和本质非最小相位特性的对象。
The yellow lead making process is essentially a subject with multivariable coupling, double integral action, and nonminimun phase characteristics.
采用光波的衍射积分理论,对具有波纹调制激光束的准聚焦特性进行了理论分析。
Based on the diffraction integral theory, the quasi-focused characteristics of a laser beam with waviness modulation have been studied theoretically and numerically in the paper.
研究了自适应积分方法(AIM)在计算电大尺寸目标的电特性中的应用。
Adaptive integral method (AIM) is employed to fast compute the radiation and scattering properties of electrical large-scale structures.
用由广义惠更斯菲涅耳衍射积分推导出的传输方程详细研究了复宗量拉盖尔·高斯光束及其传输特性。
The elegant Laguerre-Gaussian (L-G) beams and their propagation properties are studied in detail using the propagation equation derived from the generalized Huygens-Fresnel diffraction integral.
基于一阶比例-积分控制器分析了弱光61单元自适应光学系统的控制特性。
The control characteristics of low light level 61 element adaptive optical system are analyzed based on an one order proportional integral controller.
对于同一河道,由于高程与河道断面特性平均积分曲线不变。
To the same river section the absolute elevation and the equalized integrated curve of the cros section characteristics of the river are the same.
介绍了命名系统具有良好静动态特性的积分逼近型控制算法。
At last the control algorithm using integral approximation method which give this system good static and dynamic characteristic were represented.
这将为波动特性的动量交换系数及积分时间和长尺度提供新的信息,这些湍流特性不应被视为不变的。
The findings bring new lights in the fluctuating nature of momentum exchange coefficients and integral time and length scales. These turbulent properties should not be assumed constant.
这些特性能更好地描述模糊值可测函数列和K -拟可加模糊数值积分序列的收敛性。
These characteristics can be used well to describe the convergence properties of sequences of fuzzy valued measurable functions and K-quasi-additive fuzzy number valued integrals.
利用横向谐振法结合奇异积分方程技术,导出了具有快速收敛特性的不连续性等效电路参量计算公式。
A formulation for the equivalent circuit parameters of the discontinuities with superior convergency is derived by the transverse resonance method with the singular integral equation technique.
把不完全乔里斯基预条件技术应用到其积分方程,极大地改善了其谱特性,加速了矩阵方程的迭代收敛。
The IC precondition technique is applied to the integral equation to improve the spectral properties and accelerate the iteration speed of matrix equation.
本文主要围绕介质目标电磁散射特性的高效积分方程开展研究工作。
In this thesis, the research work is based on efficient integral equations for electromagnetic scattering property of dielectric materials.
根据由速率方程导出的一组微分-积分方程,研究了闪光灯泵浦染料激光器PTM运转时的能量转移特性。
The energy transfer characteristics of a flashlamp pumped dye laser in PTM operation is investigated according to the differential-integral equations derived from the rate equations.
自行研制了一套双积分球系统,应用该系统对离体小鼠皮肤在渗透剂无水甘油作用下,光学特性参量的变化进行了实时监测。
A double integrating sphere system was developed to investigate the effect of the osmotic agent of glycerol on the optical properties change of mouse skin.
讨论了一种伪随机码跟踪环的特性,分析了码相关间隔、预检积分时间、环路带宽及信噪比等参数对码跟踪性能的影响。
The characteristics of PN code tracking-loop is discussed. The impact of parameters, e. g. correlation slot, integration time, loop width and SNR on code tracking performance is analyzed.
采用数值积分方法,对裂纹转子的分岔与混饨特性进行了研究。
The bifurcation and chaos of the cracked rotor system are researched by employing the numerical integration method.
导出了考虑表面张力影响下模拟固壁附近溃灭空化气泡特性的边界积分方法及数值求解方法。
With the consideration of surface tension the boundary integral method and numerical solution method for simulation of a cavitation bubble collapsing near a rigid wall are derived.
在此基础上,采用数值积分方法分析了凸轮泵的理论排量、容积利用系数等特性。
On this basis, the theoretical flow and effective volumetric rate are calculated with digital integration.
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