谐振

Moreover,it describles the advantages of using voltage series resonance method on GIS in site,and thus the performance of field testing de- vice developed by Guangdong Electric Power Research Institute and the test effect.

本文简要地叔述了 GIS 在现场安装后，进行耐压试验的必要性，耐压试验电压波形的选泽、标准及试验程序，并介绍了用串联谐振方法进行 GIS 现场耐压试验的优点，以及广东电力试验研究所研制成功的 GIS 现场耐压装置的性能和试验效果

To the question of regulating the output voltage and avoiding ripple of series resonant converters, State feedback controller is designed with conversation of energy.

为了调整输出电压及解决纹波问题，本文从能量守衡的角度设计串联谐振变换器的无源性状态反馈控制器。

The distribution of electromagnetic field inside a microstrip antenna as well as the characteristics of resonance and impedance and radiation of the microstrip antenna are analyzed by means of the ratio.

并利用此概念来分析加载短路钉微带天线内部的电磁场分布和谐振特性、阻抗特性以及辐射特性等。

a novel miniaturization bow tie rfid tag antenna is proposed based on the triangular sierpinski fractal microstrip.the port characteristics of the proposed antenna are presented by simulation.at the same time,the resonance frequency,the radiation pattern and the efficiency of the sierpinski tag antenna is given.the results of the simulation show that multiple frequency band can be obtained by varying the dimensions of the fractal structure.hence this kind of antenna can be used into the rfid tag antenna very conveniently.

摘 要：基于三角形sierpinski微带分形贴片，提出了一种新型的小尺寸领带结rfid标签天线设计。通过仿真，给出了该分形天线的端口特性，同时给出了该领带结型sierpinski标签天线的谐振频率、方向图以及天线效率。结果表明，采用不同维数的分形结构，可以实现多频段的工作特性，因而该天线可以很方便地应用于rfid电子标签中。

To raise the sound intensity of the modulated aerodynamic acoustic source in low frequency region, the resonances in two resonance pipes, a straight pipe and a bi-curved horn were tested by forcing the airflow of sound wave to pass through them.

为提高调制气动声源在低频处的发声强度，将含声波的气流通过直管和双曲喇叭两种谐振管产生共振。

The two legs are connected with a capacity (7) and thus form a resonance circuit.

所述二个柱体和一个电容(7)相连从而形成一个谐振回路。

Personality entities often travel down family trees seeking out a similar resonance in form at a future point in time.

人格存有通常沿着家庭树移动，找出在时间中于未来某个点上能谐振的形态。

In this thesis, the radiation principle and the structure of slot antenna are studied and the impacts on its performance of every structure parameter in a slot antenna design are analyzed. On this foundation, a design plan of planar slot array antennas is proposed. The design has some structural feature as follows:(1) with different dielectric layers and microstrip line structure to guide the electromagnetic wave effectively;(2) the feeding network formed of microstrip line can match with the radiating slots expediently;(3) in order to increase the bandwidth of the antenna, the wider slot and branched feeding microstrip line are adopted to form a double resonance.

本文对缝隙辐射的原理、缝隙天线的结构作了探讨，分析了缝隙天线设计中各结构参数对其性能的影响，并在此基础上提出一种平面型缝隙天线的设计方案，它具有以下的特点：(1)采用分层结构，以不同的介电系数和微带线结构形成对电磁波的有效引导；(2)利用微带线构成馈电网络可以方便地与辐射缝隙进行匹配；(3)增大缝隙的宽度，并利用馈电微带线的枝节形成双谐振，以增加天线的带宽。

It is characterized by placing two groups of coils which are formed into a right angle, one group is excitation coil through which the high-frequency current is passed, another group is detection coil, on the terminal of induction coil mounted on the eyeball a miniature capacitor is connected so as to form a resonance coil.

装置，由激励线圈(1)、检测线圈(2)和感应线圈(3)组成，其特征在于，放置两组成直角的线圈，一组为通高频电流的激励线圈(1)，另一组为检测线圈(2)，装在眼球上的感应线圈(3)端子上连接一微型电容(4)，形成一个谐振线圈。

In quantum mechanics, its motion is two-dimensional resonance. Its energy level is separate. Its wave function is probability.

如果考虑它的量子效应，在垂直磁场方向是二维各向同性谐振子的运动，它的能级是分立的，对应的波函数是几率波函数。

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。