对数周期天线
- 网络Log Periodic Antenna;lpda
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张角变化对对数周期天线及其阵列特性的影响
Variable Angle 's Influence on the Characteristics of LPDA and LPDA Arrays
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双极化对数周期天线阵结构设计
Structure Design and Analysis of Dual-Polarization LPDA Array
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印刷对数周期天线的FDTD分析与实验
Analysis and Experiment for a Printed LPDA Based on FDTD
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微带对数周期天线的FDTD分析
Analysis of Microstrip Log - periodic Antenna by FDTD
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对用于导引头的平面印刷对数周期天线进行FDTD分析,采用曲折振子来减小天线尺寸,以满足实际应用需求。
The printed log-periodic antenna used in seeker was analyzed by FDTD and zigzag dipole was introduced to reduce the antenna size and meet the practical application .
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其次,本文对TEM喇叭天线、对数周期天线、双锥形天线和螺旋天线四种典型的超宽带天线进行了理论分析,总结并讨论超宽带天线的设计方法和手段。
Secondly , in this paper , the four typical UWB antennas of TEM horn antenna , log-periodic antenna , biconical antenna and helical antenna are theoretically analyzed and the UWB antenna design methods are generalized and discussed .
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文中对频带为(5-28)MHz,带内增益>10dB的短波对数周期天线的计算与实测结果进行了比较。
Com - parison between calculation and measured results is made for a short wave Log Periodic Antenna with frequency band 5 ~ 28 MHz and gain > 10 dB in the band .
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最后以对数周期天线为例,利用Matlab语言编程计算了不同波束指向上最大功率增益所需的激励,得到了最优激励时阵列的各种电参数。
Finally taking the log-periodic dipole antenna ( LPDA ) as an example , and using Matlab language program , the excitation of the maximum power in different directions of the beam is calculated and different electrical parameters of the array are obtained .
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设计、计算一种工作在VHF波段的锯齿形振子构成的对数周期天线,并将之与一般的对数周期偶极天线进行比较。
One kind of Log-Periodic Antenna which is made up of zigzag dipole is designed and calculated in VHF channel and that it is comparied with the normal Log-Periodic Dipole Antenna .
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建议把结构简单的对数周期天线,用于CATV技术,并给出VHF全频道电视接收天线的实例。
Concerning the problem of application , the author suggests to use the simple LP antenna in the techniques of CATV , and a practical design for the receiving antenna covering all VHF TV channels .
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介绍了一种由双极化对数周期天线单元组成的1~6GHz宽带高效测向天线阵,给出了双极化对数周期天线单元分析、设计方法及计算、测试结果。
In this paper , a direction finding array consists of the dual-polarization log periodic antennas is designed . The array is of 1 ~ 6GHz wide-band . The design approach and theatrical analysis of the log-periodic dipole antennas are presented .
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车载宽叶单极对数周期天线的矩量法分析
Analysis on Vehicle-borne Log-periodic Monopole Antenna Using the Method of Moment
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对数周期天线方向图的矩量法估计
Estimation to the directional pattern of log-periodic antenna by moment methods
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基于对数周期天线圆形阵的测向算法
A direction finding algorithm based on Log - periodic antenna array
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用于导引头的印刷对数周期天线研究
Analysis of printed log - periodic dipole antenna used in seeker
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对数周期天线结构尺寸的一种近似计算法
Approximate Method on the Calculation of Logarithmic Antenna Structure Size
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星载双圆极化多波束对数周期天线阵的设计与实现
Design and Realization of a Spaceborne Dual-circular-polarization Multi-beam Log-periodic Dipole Antenna Array
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超短波对数周期天线结构设计及分析
Structural Design and Analysis of the Ultra - shortwave Log - periodic Antenna
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矩量法结合渐近波形估计分析对数周期天线
Analysis of LPDA Using Method of Moments in Conjunction with Asymptotic Waveform Evaluation Technique
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小型化对数周期天线研究
Study on Diminishing Dimension of Log-Periodic Dipole Antenna
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大张角宽带对数周期天线的优化设计
Optimization of Large Angle and Broadband LPDA
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利用三角振子天线改善对数周期天线的低频性能
Improve the Capability of Logarithm Periods Dipole Antenna in Low Frequency by Biconical Dipole Antenna
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一种对数周期天线的实验研究
Experimental study of the logarithmically periodic antenna
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小型宽带短波对数周期天线的设计
Design of Miniaturized Broadband HF LPDA
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文章运用矩量法对大张角对数周期天线的电性能进行了分析。
The method of moments is used to analyze the electric characteristics of large angle LPDA .
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地面对对数周期天线阵列影响的近似镜像法分析
Approximate Image Methods for Analyzing the Influence of the Real Ground on Short Wave LPDA Arrays
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对数周期天线时域特性分析
Analysis of log-periodic antenna in time-domain
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便携式对数周期天线的设计
Design of Portable Dipole Log-Period Antenna
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详细介绍了对数周期天线扇形阵特性分析软件的功能及使用方法。
The function and usage of the software for analyzing the fan-shaped array of log-periodic dipole antennas are introduced .
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当用对数周期天线来组阵,形成高增益的窄波束时,对数天线有其特殊性。
When the Log-Periodic antennas are used to array for narrow beams with high gain , there is some speciality .