查询词典 meander line

In Chapter 4, the meander line and fractal technique are introduced to the design of antenna.

设计了一种用双杆作辐射体的平面组合单极子天线，具有结构简单、尺寸小、频带宽等诸方面的优点。

A compact-size coplanar waveguide lowpass filter is designed, simulated, fabricated and measured. The purpose of this thesis is to investigate the performance of miniaturized CPW lowpass filter which is a fifth-order semi-lumped uniplanar Butterworth filter. Our design utilizes transmission line lumped elements consisting of interdigital capacitors and meander line inductors.

本文研究目的是探讨微小化共面波导滤波器设计、模拟、制作与其量测特性，滤波器设计是使用Meander和Interdigital线路结构，其电路特性可等效为电感性与电容性元件，藉由串联Meander和Interdigital线路实现慢波周期结构，Interdigital结构设计的线宽为5μm。

Results of simulation and test show that RFID tag antennas with both meander-line and Yagi structure are easy to gain the impedance of conjugate matched to the tag IC, which is small in resistance and large in reactance.

仿真和实测结果表明，共同采用弯折线和八木天线结构可以有效的获得匹配阻抗实部较小，虚部较大的RFID标签天线。

A ceramic antenna is designed. The meander line is printed on the surface of the ceramic substrate.

该天线的最大尺寸缩小至10mm左右，且全向性明显，适合作为移动终端的内置天线。

To check the accuracy of our design, a planar meander line slot array with a matching circuit is fabricated and tested. From experimental results, this antenna array is proved to be practical and useful.

基於制程的精度，我们设计了7×24的二维阵列天线，并加入输入阻抗之匹配电路，由量测结果，我们验证出此阵列天线的可行性。

In this dissertation, we focus on the design of the CPW-fed meander line slot antenna array for operational frequency band from 38 to 38.5 GHz.

本论文主要的研究目标是将共面波导馈入蜿蜒曲线形开槽阵列天线设计於工作频带为38GHz至38.5GHz。

The input impedance of slot antenna can be matched by meander line and microstrip patch The CP radiation is achieved by means of using a shorted square-ring slot.

本文的内容针对一些新型的圆极化平面槽孔天线之特性进分析与探讨，其中以单层和双层的天线做一些应用设计。

Second, this paper systematically studies methods for impedance matching between dipole-type RFID tag antennas and tags ICs, which includes parasitical element loading, vee dipole technology and meander line loading technology.

第二，本文系统化研究了偶极子RFID标签天线与标签IC的阻抗匹配方法，包括寄生单元加载技术和弯折线加载技术。

The resonance frequencies of the spiral line and meander line printed on the FR-4 with dielectric permittivity of 4.4 are combined to realize the wide frequency band.

芯片天线将FR-4介质(介电常数为4.4)上的曲折线和螺旋线相结合，两者分别产生谐振频段进行叠加从而实现天线宽频工作特性。

The low material cost as well as the high product stability is two important factors to design the antenna of Bluetooth headset. Base on the HFSS simulation results, the meander line monopole antenna is applied for the frequency band 2402MHz~2480MHz of Bluetooth headset to design its antenna. The characteristics of the different meander line monopole antennas as compared under there different frequency bands.

本篇论文针对蓝芽系统的无线耳机天线，以节省材料成本以及增加产品稳定性为考量因素做为设计天线重点考量因素，依据应用曲折型单极天线模拟结果於蓝芽频段2402MHz~2480MHz之天线设计测试，并与不同曲折样式之天线在不同频宽进行性能比较。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。