谐振法

This paper proposes a generalized averaging method for modeling resonant inverter applied to electronic ballast.

摘 要：提出了用广义的状态空间平均法建立电子镇流器谐振逆变器数学模型的方法。

The experiment results show that the device is appropriate for the micro-laser In order to optimize the design of the resonator cavity in the high-pressure discharge gas laser, an Eigenvector Method for calculation of optical resonator modes and beam propagation is brought forward.

为了更好地设计高气压放电激光器的谐振腔结构，提出了一种新颖的模拟光腔模式及光束传输的特征向量法。

For the SSR in transmission system,the complex torque coefficient approach based on time domain simulation is used to analyze the influence of different degrees of series compensation and generator putout on the SSR.

针对输电网中串联电容补偿引发的次同步谐振，采用基于时域仿真实现的复转矩系数法分析不同发电机出力以及不同串联补偿度对系统次同步振荡的影响。

The computation of the Dyadic Green's function for cylindrical waveguides and cavities is approached by the theory of distributions.

本文用分布理论法计算圆柱波导及谐振腔的并矢格林函数。

The eigen energy and the degeneracy of the system are also discussed.

用时空变换法求解了带有反平方势的含时谐振子薛定谔方程，并讨论了方程的本征能量和能级简并情况。

The relationship between multivalued spacing of relative permittivity,measuring frequency and length of the sample has been gained.

在微波和毫米波波段，介质复介电常数的测量按测量原理可分为谐振腔法和网络参数法两大类[1]。

Using the coil with low resistance and magnetic-core with high magnetic conductivity in the transformer and inductor to reduce the power loss and increase the efficiency.The elements and structures of some functional unit of power amplifier are analyzed.

然后从双端口网络的散射矩阵和功率传输增益函数入手，对常用的单、双谐振点匹配技术和原始实频法进行了论述，给出了原始实频法的计算机实现过程以及设计中的注意事项。

We present quantum mechanical vibrational computations beyond the harmonic approximation from effective second order perturbative and variation perturbation treatments defined as static approaches, as well as vibrational analysis from density functional theory molecular dynamics trajectories at 300 and 600 K.

利用超简谐振动近似的有效二阶微扰法(VPT2)和变异微扰法两种静态方法，以及在300和600K下的密度泛函分子动态轨线振动分析方法进行量子力学的振动计算。

The equilibrium geometry,force constants and vibronic frequencies of the SiO2 molecule with linear structure have been optimized by using the Gaussian03 with B3P86/cc-PVTZ; The total internal partition sums were calculated for silicon dioxide with the product approximation. For rotational partition sums Qrot, the centrifugal distortion corrections are under consideration.

应用Gaussian03程序，在B3P86/cc-PVTZ水平上，对二氧化硅分子线性结构进行优化计算，得出其平衡几何构型、力常数和谐振频率等性质参数；采用乘积近似法构建模型计算了二氧化硅分子从20-6000K的总配分函数，其中转动配分函数考虑了离心扭曲修正，振动配分函数采用谐振子近似。

The 0.1 Hz VLF method, CDA, OWTS and frequency tuned resonance test system, which have been developed in recent years, are discussed.

文中讨论了近几年以来开发的 0 。1Hz VL F法、CDA法、OWTS法以及变频谐振试验系统。

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。