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a base station
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  基站
     According to the results,a base station antenna used in 3G communication is designed and fabricated and the measured results are given.
     最后利用得出的结论设计了一款3G频段宽带双极化基站天线,并给出了方向图实测结果,结果与理论值吻合较好。
短句来源
     A base station of radio frequency was designed by using U2270B,meanwhile an interface and a software control circuit were desingned by using MCS-51 for practical purposes.
     用U2 2 70B设计射频基站 ,用MCS - 5 1设计接口和软件控制电路达到实用目的
短句来源
     The largest transmitted power of a base station is not more than 1.94 dB compared with conventional system when crosscorrelation is less 20%.
     当特征波形互相关系数小于20%时,和传统系统相比一个基站的总发射功率不会大于1.94dB
短句来源
     By combining with telecom business and component GIS technology, a management system for a base station is studied, designed and realized.
     结合电信业务和组件GIS技术,设计并实现了一个基站管理系统。
短句来源
     We design a base station subsystem which can work independently (called intelligent base station), it is compatible with different systems manufactured by various companies, and can extend the covering range of current MPT-1327 trunking system transparently.
     鉴于以上情况,我们设计了一种可以独立工作的基站子系统(称为智能基站),它可与不同厂家生产的MPT-1327集群系统配套使用,能“透明”地延伸现有系统的覆盖范围。
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  “a base station”译为未确定词的双语例句
     The task of this research is to design a high speed data switch network which is used in a base station controller (BSC) of a digital mobile communication system based on CDMA technique.
     本课题的任务是为采用CDMA技术的数字移动通信系统设计一个应用于基站控制器(BSC)内部的高速数据交换网络。
短句来源
     In this paper, the use of smart antennas at a base station for cellular CDMA mobile system to improve system capacity gained by reducing the amount of co channel interference and decreasing the fading of the expected signal is discussed.
     在CDMA蜂窝移动通信系统中应用智能天线技术,可以减少用户间由于伪随机码的互相关而引起的多址干扰,降低由于多径传输所造成的接收信号的衰落程度,增加系统容量,提高系统性能。
短句来源
     Optimized tilted angles of the antenna of a base station, under the condition of uniform or non-uniform user distributions, are investigated.
     利用这一模型 ,得出了在用户均匀分布和非均匀分布情况下的最佳天线倾斜角度。
短句来源
     This preconditioning method combined with conjugate-gradient method is used to solve the integral-equations generated from a base station antenna with MoM method in this paper. Numerical results are presented to demonstrate the validity of this method.
     作为实例,该文将这种预条件方法与共轭梯度方法结合应用于矩量法基站天线分析所得方程的求解,数值结果表明了该文方法的有效性。
短句来源
     The simulation result validates that the modification can suppress side-lobe by 1.4dB.A base station antenna is designed based on the improved Dual-Loop Antenna,the test results are good and the applicability is demonstrated in the 3G base station.
     通过仿真检验,改进后的双环天线能抑制第一副瓣电平约1.4dB。 应用改进的双环天线设计了一种基站天线,测试的结果均达到了指标要求,证实了双环天线在3G中的适用性。
短句来源
  相似匹配句对
     base; c) X has a σ-n.
     度量化,当且仅当,X是T_0的且存在着可σ—n.
短句来源
     In a Station of the Metro
     在地铁车站
短句来源
     Base on the C.
     根据C.
短句来源
     The Station
     人生的车站
短句来源
     On the base of G.
     在G.
短句来源
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  a base station
In order to keep the correction for drift to a small size and to increase the accuracy, returns to a base station should be made according to changes in the ambient temperature rather than at fixed time intervals.
      
Our strategy enables each mobile node to find an appropriate multihop path to a base station (or access point) that satisfies the interests of the service provider and the users.
      
In future wireless systems, the coverage of a base station will decrease due to the characteristics of the channel at high-frequency bands.
      
However, for the SIC to operate effectively, a base station signal that is being canceled must be reconstructed with enough accuracy such that sufficient interference power is removed for the subsequent base station to be reliably detected.
      
In this paper the radio channel characteristics of the 8 × 4 MIMO system consisting of a base station and a small terminal equipped with multiple antennas for indoor-indoor and outdoor-indoor scenarios are presented.
      
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The paper briefly introduces the function, modular architec- ture and working process of the software used in a GSM mobile station. Emphasis is put on the introduction of basic functions of main modules. Furthermore, the author comprehensively ex- pounds a signal exchange pro- cess between a mobile station and a base station during a suc- cessful call establishment.

本文简要介绍了 GSM 系统中移动台软件的功能、模块结构及其运行流程。着重说明了主要模块的基本功能,并以呼叫建立为例对移动台与系统基站的信令交换进行了较为详细的论述。

It is considered that a synchronous direct sequence spread spectrum multple access (DS/SSMA) communication systems with BPSK modutation and coherent demodulation in additive white noise environment. The statistical properties of a base station's transmitted power are given. It is shown that the standard deviation of a K user pre decorrelating transmitter's total transmitted power is O(K -1 ). The largest transmitted power of a base station is not more than 1.94 dB compared...

It is considered that a synchronous direct sequence spread spectrum multple access (DS/SSMA) communication systems with BPSK modutation and coherent demodulation in additive white noise environment. The statistical properties of a base station's transmitted power are given. It is shown that the standard deviation of a K user pre decorrelating transmitter's total transmitted power is O(K -1 ). The largest transmitted power of a base station is not more than 1.94 dB compared with conventional system when crosscorrelation is less 20%.

考虑一个相干解调的同步直接序列扩频多址通信系统,给出了采用预去相关发射机基站的发射功率统计特性。结果表明,一个K用户基站的总发射功率的最大值与特征波形互相关系数平方成反比,发射功率的标准差为O(K-1)。当特征波形互相关系数小于20%时,和传统系统相比一个基站的总发射功率不会大于1.94dB

In this paper, the use of smart antennas at a base station for cellular CDMA mobile system to improve system capacity gained by reducing the amount of co channel interference and decreasing the fading of the expected signal is discussed. The highly flexible software radio technologies make it possible to use smart antennas in CDMA system and make the SCDMA system to be practical.

在CDMA蜂窝移动通信系统中应用智能天线技术,可以减少用户间由于伪随机码的互相关而引起的多址干扰,降低由于多径传输所造成的接收信号的衰落程度,增加系统容量,提高系统性能。软件无线电具有结构简便、应用灵活等特点,为智能天线技术的发展提供了有力的支持,是使智能天线走向实用化的关键技术

 
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