time harmonic的例句大全

The magnetic field integral equation ( MFIE) is formulated to study the electromagnetic scattering from Alpha-stable non-Gaussian metallic material surface with a time harmonic wave and a UWB pulse wave incidence.

基于磁场积分方程研究Alpha-stable非高斯分布的金属材料表面的时谐波、超宽带脉冲波的电磁散射特性。

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Tikhonov regularization numerical method for recovering the shape of an obstacle from the information of time harmonic incident acoustic wave and far field pattern of the scattered wave with frequency in the resonance region is investigated.

用Tikhonov正则化方法数值求解由声波散射场的远场模式信息来再现散射物边界形状的反问题。

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A set of one-dimensional regular integral equations is derived for calculating the dynamic response of elastic layer on stiff foundation under time harmonic surface vertical concentrated load. And the numerical solution of the integral equation is obtained.

导出了刚性基础上的弹性层在表面垂直集中简谐载荷作用下动力响应问题的一维非奇异积分方程组，并求得了数值解。

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As the first step, a variational function is derived from 3-D time harmonic field Maxwell equations and for X-cut Y propagation lithium niobate waveguide, the according variational function can also be gotten by a similar process.

本文首先推导了对于时谐场普遍问题的变分方程，进而对X切Y传的铌酸锂波导进行研究。

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METHODS: The head was simplified to a two-layer conductive sphere and the single measurement channel of MIT was approximated to an axial symmetric electromagnetic model. The analytical solution of the model was deduced from analysis method of time harmonic electromagnetic field.

方法：将头颅近似为一个双层的导电球体，脑MIT单通道测量系统近似为由测量、激励线圈和球体组成的轴对称模型，采用时谐电磁场分析方法，推导出轴对称模型的解析解。

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Prototype iron loss analysis shows that as the frequency increases, the stator iron loss increases; at low speed region, time harmonic eddy-current loss accounts for the majority part of stator iron loss. Finally, the prototype manufacturing and test is going on.

对样机的铁耗分析表明：随着频率升高，定子铁耗增大；在低速时，时间谐波涡流损耗占定子铁耗的主要部分。最后，进行样机的制造与测试。

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Probing the medium with a time harmonic homogeneous plane wave gives the Christoffel equation. Then the complex velocities for homogeneous viscoelastic waves are calculated from it, while the attenuation factor and phase velocity and quality factor are obtained from the complex velocity.

使用均匀平面简谐波分析方法研究其频散关系，得到Christoffel方程，进而获得均匀平面波的复速度、相速度、衰减系数和品质因子的表达式。

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This algorithm can overcome the infection of the digital controller's delay time to harmonic compensation and realize the real time compensation.

该算法能够克服数字式控制器所产生的延迟时间对于谐波补偿的影响，可实现谐波的实时补偿。

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Quantum treatments for the time dependent harmonic oscillator

含时谐振子的量子处理方法

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In efficient and energy-saving, at the same time, harmonic pollution problem has become increasingly serious.

在高效节能的同时，谐波污染问题也日益严重。

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A new approach for time domain flow field measurement by tracking speckle in ultrasound harmonic images of flow following injection of a bolus of the contrast agent is described.

本文研究了基于超声造影剂的血流运动场估计与显示技术，通过在血液中注入超声造影剂作为示踪粒子，对造影谐波图像进行时域相关处理，可得到成像部位的二维流场分布图。

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It produces the primary signal first to carry on the display of time domain, the display of frequency domain and frequency spectrum, and compose the observing signal; finally it carries on the correlation analysis again after the signal filtered to remove the harmonic interference signal.

首先是对原始信号进行时域波形显示，频域频谱显示，初步观察信号的组成，最后再对滤波后的信号进行相关分析，除掉谐波干扰信号。

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Based on the equilibrium tidal theory, this paper does some research on the method of tidal harmonic analysis and discusses the qualities of tide, then analyses the least square method grounded on long time serial data.

基于潮汐静力学理论，分析了潮汐调和，讨论了潮汐的性质，对一年潮位资料的最小二乘法进行了分析和验证。

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The analysis of two real-time detecting approaches of instantaneous harmonic and reactive current in single-phase circuit

两种单相电路瞬时谐波及无功电流实时检测方法分析

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We've done this before& this is the conservation of energy, and in order to find the period of the simple harmonic oscillation, we take the time derivative.

以前算过-，这是能量守恒，为了算出，简谐振荡的周期，我们求时间导数。

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Binary scale time windows FFT for harmonic analysis

二进时间窗FFT谐波检测

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In time domain, the harmonic wave does not change frequency when passing through the reflection coefficients system, coinciding with the condition of linear time-invariant system, so, the synthetic seismograph in time domain can be computed by convolution of wavelet with reflection coefficients sequence.

在时间域中，谐波经过反射系数系统后不改变频率，符合线性时不变系统的条件，因此在时间域中可以用子波与反射系数序列褶积的方法计算时间域合成地震记录。

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Solution of time-dependent harmonic oscillator system using explicit Euler method and discussion of the cyclic initial states

用explicit Euler方法研究含时受迫谐振子的演化及对系统循环初态的讨论

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Sample time staggered space vector modulation ( STS-SVM) technique is a novel switching modulated strategy, which can acquire much high equivalent switching frequency at fairly lower device switching frequency and have excellent harmonic characteristics.

错时采样空间矢量调制是一种新型的开关调制策略，能够在较低的器件开关频率下实现较高等效开关频率的效果，具有良好的谐波特性。

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The pulse jitter of gain-switched Fabry-Perot laser with external cw-light injection was experimentally investigated by using harmonic spectrum analysis. The time jitter is 0.905 ps and amplitude noise is 2.83%.

利用谐波频谱分析法测量了外连续光注入下增益开关F-P激光脉冲的抖动，时基抖动为0.905ps、振幅噪声为2.83%，并与取样示波器的测量结果进行比较。

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