• Do-It-Yourself 2.4g wireless networks to do directional antenna!

    自己动手做2.4G无线网络定向天线

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  • In radiocommunications, the radiation in a lobe of a directional antenna.

    无线通信技术定向天线某一辐射电磁能。

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  • Using a directional antenna, the device shoots data to a receiving antenna as far as 60 miles away.

    利用定向天线这种设备发射数据远在60英里外接收天线。

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  • The effect of directional antenna on the performance of DSR routing protocol is studied in this paper.

    本文研究了方向性天线DSR路由协议性能影响

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  • A parallel feed patch antenna array is designed as the omni-directional antenna of the base station antenna.

    针对中心站用全向天线高性能要求,设计了并行馈电的天线阵列

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  • While mid-wave antenna is mostly iron tower antenna, we do not use directional antenna except that we need special service in special area.

    中波天线大部分采用铁塔天线,特殊地形或特别要求服务区外,均采用不定向天线。

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  • Through the adjustment and optimization of the antenna, higher antenna gain is achieved, to meet the requirement of high-gain omni directional antenna.

    本文通过天线调整优化实现了天线增益提高满足高增益要求

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  • This paper introduces the anti-vibration design, distance-regulation device design and the die design of foaming body in an omni-directional antenna pedestal.

    介绍全向天线座抗振设计距离调节装置设计发泡模具设计。

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  • This paper is worked to solve the phase center of the directional antenna, accordingly to giving some references for the interception and Direction-finding system.

    本文为了解决定向天线相位中心问题,为侦测合一系统设计提供参考而展开研究的。

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  • And then time slot allocation algorithms and routing protocols based on directional antenna are designed for IFDL. At last performance of the network is simulated with OPNET.

    然后设计、提出了基于定向天线的适用机间数据链的时隙分配算法路由协议利用OPNET仿真软件验证网络性能

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  • For the directional antenna and wireless channel characteristics, there are many directional antenna based access control protocols have been proposed to achieve channel spatial reuse.

    针对定向天线无线信道特点许多基于定向天线的接入控制协议提出来实现信道的空分复用

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  • In order to effectively use directional antenna space division multiplexing features, while reducing some of its directional influence to bring the need to propose a new wireless MAC protocol.

    为了有效地利用定向天线的空分复用特点同时减少由于方向性带来一些影响需要提出一种新的无线MAC协议

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  • The all-directional antenna of the invention adopts a low-profile structure, and has good stability, simple preparation process, low cost, extremely high practical value and wide market prospect.

    本发明全向天线采用低剖面结构稳定性,且制作工艺简单成本,有很高实用价值广阔的市场前景。

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  • Simulation results showed that the antenna array's directional pattern formed by this kind of fixed-point format LMS algorithm had high performance.

    测试结果表明采用这种定点数制算法形成天线方向具有较好的性能。

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  • The work principle of directional detector and the key technique for identifying target bearing are analyzed. Design and calculation of detecting antenna have been carried out.

    分析定向探测器工作原理目标方位识别关键技术探测天线设计做了详细的分析和计算

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  • Smart antenna using digital signal process technique, produces space directional beam, and utilizes space filter ability for improving the performance of CDMA systems.

    智能天线利用数字信号处理技术产生空间定向波束利用其空间滤波特性可以提高CD MA系统性能

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  • It is an important support of smart antenna directional transmitting and receiving technology.

    智能天线指向性发射接收重要技术基础。

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  • The chip antenna is fabricated with metallization of a ceramic substrate, similar to chip-based SAW filters, diplexers, or directional couplers.

    芯片天线制造金属化陶瓷基板的,类似的基于芯片的SAW滤波器,双工器,或定向耦合器。

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  • We mainly use air microstrip antenna and four-dipole antenna as the antenna elements. Directional array antenna which is composed of two antennas is analyzed, simulated and designed.

    天线单元主要采用空气微带天线、四偶极子天线,两种天线构成定向阵列天线进行了分析、仿真设计制作。

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  • Simulation results showed that the antenna array's directional pattern formed by this k...

    测试结果表明采用这种定点数制算法所形成天线方向图具有较好的性能。

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  • Introduced two synthesis approach which are commonly used in antenna design engineering, discussed the calculation of directional coefficient and the standing waves bandwidth.

    介绍了地线工程设计常用类综方式谈论了地线方背性解数盘算带阔盘算。

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  • High power radial line helical array antenna is a new antenna which realizes the directional radiation of high-power microwave.

    从理论、模拟和实验等角度详细研究了功率径向线螺旋阵列天线

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  • The characteristics of the omni-directional periodic circula