查询词典 harmonic

Because it uses non linear control,its output of voltage and current contains a lot of high harmonic .

非接触交流调压器利用晶闸管移相控制可方便地调节输出电压的有效值，由于其采用非线性控制方式，使得输出电压和电流存在大量的高次谐波。

However, these machines caused serious harmonic pollution problem in power supply system of nonferrous metal processing enterprises.

但是，这些设备引起了有色金属加工企业供电系统严重的谐波污染问题。

The accuracy of further calculations of the nonharmonic constants, frequency distribution of tidal level and high tidal level with the multiplier 2 hours are all dependent on the results of the harmonic constants derived above. Calculations of the nonharmonic constants will be different if the type of the harbor changes.

调和常数是否稳定决定了进一步计算的非调和常数、潮位频率分布和2小时乘高潮位频率分布的可靠性。

The series solution for boundary value problem of nonhomogeneous harmonic equation with variable coefficient is obtained.

使变系数非齐次调和方程边值问题的求解有了新的进展。

Model is also proposed to describe how the nonideal splitting performance of PBS influences the second-harmonic nonlinearity.

推导出非理想情况下偏振分光镜透射率和反射率的激光外差干涉非线性误差模型，建立了偏振分光镜分光性能非理想对非线性误差二次谐波的影响模型。

Using piecewise linearity system theory,the harmonic excitation nonlinear response of clearance restriction cantilever beam system was researched.

运用分段线性系统分析理论，研究间隙约束的悬臂梁振动系统在简谐激励下系统稳态响应的动力学行为。

Based on a model of a cantilever beam system with clearance restriction ,its nonlinear dynamic response to harmonic excitation are studied qualitatively in experiments.

在实验中，以受间隙约束的悬臂梁系统为模型，对该系统在简谐激励下存在的各种非线性动态响应状态进行了定性的研究，并利用Matlab软件对实验数据进行处理，绘制出相图。

In the perturbation approach the ro-vibrational Hamiltonian is expanded in terms of the normal coordinates, their conjugate momenta, and the rotational momenta. The harmonic oscillator and rigid rotor wavefunctions are then used as the basis functions.

根据光谱理论，在谐振子和刚性转子的表象中，通过切变换导出一个等效的哈密顿量，考虑各种共振相互作用后，对角化哈密顿矩阵得到本征能量。

The efficiency of the devices which are used to generate, transmit, and consume the electricity are reduced and the normal operation of variety of power devices are influenced by the harmonic wave which will cause to part parallel and serial resonance.

谐波降低了发电、输电及用电设备的效率，影响各种电力设备的正常动作，引起公用电网中的局部并联谐振和串联谐振。

The above presented methods are applied to solve the 2D harmonic equation. Numerical examples show satisfactory results.

对上述提出的方法，本文以二维调和方程的不同边值问题为例，推导出相应的计算公式，并在随后给出相应的数值算例，数值实验的结果是令人满意的。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。