The two-dimensional periodic structure in a bifrequency magnetically insulated transmission line oscillator 赤道地区平流层水汽准两年周期振荡特征双频磁绝缘线振荡器二维周期结构研究
Using periodic theory of space-harmonic analysis, the characteristics of radiated sound power from a cosine harmonic line force into an infinite cylindrical shell periodically stiffened with rings immersed in water are studied analytically. 采用空间简谐分析方法对水下无限长周期环肋圆柱壳受周向余弦分布简谐力振动的辐射声功率进行了解析计算。
The Study of Cascade IIR Notch Wave Filter to Reject Periodic Interference in Partial Discharge Measurement on Line 抑制局部放电在线监测中周期性干扰的级联式IIR陷波滤波器的研究
Interaction of the Rigid Dielectric and Conductor Line Inclusions in a Piezoelectric Medium EFFECTIVE MODULUS OF COMPOSITE MATERIALS WITH DOUBLY PERIODIC RIGID LINE INCLUSIONS OF UNEQUAL LENGTH SUBJECT TO ANTIPLANE SHEAR 压电介质反平面问题中导电与电介质刚性线的相互作用含双周期不等长刚性线材料有效反平面剪切模量研究
Periodic inspection and analysis of in-line boiler for over temperature and heat 在役锅炉超温过热的定期检验及分析
A novel one-dimensional ( 1-D) periodic defected ground structure ( DGS) for microstrip line is presented in this letter. 设计了一种新型一维周期接地缺陷结构(DGS)微带线。
Effective modulus of composite materials with doubly periodic rigid line inclusions of unequal length subject to antiplane shear 含双周期不等长刚性线材料有效反平面剪切模量研究
We analyze rejecting periodic interference in PD monitoring on line through cascade IIR digital wave notch filter. The principle and simple design method are proposed and discussed. 在分析用IIR陷波滤波器来抑制局部放电在线监测中周期性干扰的基础上,提出和论述了级联式IIR陷波滤波器基本原理及简明设计方法。
Based on seismic periodic spectrum and probability analyse of seismic interval periodic, we have built up the prediction method of line synthesis probability. 在地震周期谱分析和地震间隔周期出现概率分析的基础上,建立了线性合成概率预测方法。
The PBG structure was fabricated with periodic rectangle holes etched on both the metal conductor line and the metal ground plate of the microstrip. 该结构是同时在金属导带和金属接地板上刻蚀周期性的矩形孔形成的。
A Periodic Network model of transmission line is used to predict the longitudinal voltage distribution along the electrodes of RF slab CO2 lasers. The extensive practical success of Parallel Resonance Technigue in those lasers is interpreted. Two ways for further voltage uniformity are presented. 本文利用周期性网络模型计算了射频板条CO2激光器电极的纵向电压分布.探讨了并联谐振技术在板条器件中获得成功运用的原因.提出了利用并联谐振技术进一步提高电压分布均匀性的两个途径。
In this paper we develop an efficient approach to determine the overall scattering characteristics of multilayered two-dimensionally periodic structure and using the generalized transmission line theory to the periodic structure to obtain a generalized transmission matrix of the whole structure. 本文提出一种有效的求解多层二维周期结构散射特性的方法,它基于广义传输线法求得广义传输矩阵。
The structure is periodic loaded circular waveguide transmission line. Compared with normal structure, it's interaction impedance is higher. 该结构是一段周期性加载的圆波导传输线,第一通带为腔体通带,具有正色散前向基波,而且,与常用的耦合腔慢波结构相比,具有更高的耦合阻抗。
A Design of Novel Periodic DGS Varied to the Relative Amplitudes Distribution of the Exponential Function for Microstrip Line 一种按照指数函数相对振幅分布的新型周期DGS微带线设计
In vitro cultivation of the infective larvae of periodic Brugia malayi in a human ovary cancer cell line 周期型马来丝虫感染期幼虫在人卵巢癌细胞系中的体外培养
SRL ( structural return loss) is one of the important indicators of telecom cables, while the capacitance in water of cable may reflect the periodic defect of the production line. 结构回波损耗是通信电缆的重要指标之一,而电缆绝缘线芯的水电容可综合反映生产线上的周期性缺陷。
It is assumed that ultra thin Multilayers have a periodic graded-index multilayer structure. A line model and a cosine model are used to simulate soft X-ray reflectivity of periodic graded-index multilayers. 假设超薄多层膜为具有周期性梯度折射率的多层膜结构,用直线模型和余弦模型模拟了周期性梯度折射率多层膜的软X射线反射率。
With the development of the regional economy and the rapid growth of passenger traffic, the mass transit type periodic system is the main direction of the development of the intercity passenger dedicated line. 随着区域经济的发展,客流的高速增长,公交化运营是我国城际客运专线运输发展的主要方向。
The results showed that the amplitude and the frequency of a continuing system natural oscillation frequency with the same or similar single periodic disturbance can lead to continued weak damping power system oscillations contact line. 研究表明,具有持续振幅且频率与系统固有振荡频率相同或相近的周期性扰动可引发弱阻尼系统联络线上持续的功率振荡。
This model is established based on the character of periodic fluctuation. While, line passenger volumes has strong stochastic fluctuation affected by random factors. So, predicting route passenger volume needs to establish another model according to the character of stochastic fluctuation. 由于该模型主要是依据公交客运量的周期波动特征,而线路客运量容易受随机因素影响,随机波动性较强,因此,对于线路客运量预测需要针对其随机波动特征建立相应模型。
The periodic current subtransient attenuation of generator is taken into consideration, when calculating the short-circuit of generators, and the decay time constant is corrected in view of the line impedance when the short-circuit point is away from the bus-bar. 2. 在计算发电机短路电流时,考虑周期分量的超瞬态衰减,考虑短路发生在远离汇流排位置时线路阻抗对短路电流的影响,并对周期分量衰减时间常数进行修正。