天线对的英文

• antenna pair

• "天线"英文翻译    antenna; aerial; antenna wir ...
• "对"英文翻译    answer; reply
• "环形天线对准误差" 英文翻译 :    looalignment error
• "线对" 英文翻译 :    line pair; line-pair; wire pair; wirepair
• "绞线对" 英文翻译 :    twisted-pair
• "谱线对" 英文翻译 :    line pair
• "曲线对" 英文翻译 :    pair of curves
• "线对板" 英文翻译 :    wtb
• "线对表" 英文翻译 :    cablemap
• "线对称" 英文翻译 :    line symmetry
• "线对群" 英文翻译 :    pair group
• "线对数" 英文翻译 :    demand pairs
• "线对线" 英文翻译 :    rail-to-rail
• "天线" 英文翻译 :    antenna; aerial; antenna wire; air wire
• "等强线对；对应线对" 英文翻译 :    homologous pair
• "对称线对, 平衡线对" 英文翻译 :    balanced pair
• "均称线对 均称线对" 英文翻译 :    homologouslinepair
• "同系线对 对应线对" 英文翻译 :    homologouspair
• "备用线对" 英文翻译 :    extra pair; spare pair
• "边线对齐" 英文翻译 :    bxdq
• "标度线对准" 英文翻译 :    reticule alignment
• "标志线对" 英文翻译 :    direction pair; tracer pair
• "不合格线对" 英文翻译 :    defective pair
• "不良线对" 英文翻译 :    defective pair
• "成股线对" 英文翻译 :    bunched pair

• Analysis of anti - interference ability of multi - beam satellite antenna
  卫星多波束天线对干扰源的抗干扰性能分析
• An analysis on improving mobile communication capability by using multiple beam smart antenna
  多波束智能天线对改善移动通信性能的分析
• The kernel problem of antenna stabilization and tracking technology is the initial alignment and automatic tracking technology of antenna toward satellite
  天线稳定跟踪技术的核心问题是天线对卫星的初始对准和自动跟踪技术。
• Synthetic aperture radar ( sar ) is a new type of radar system developed since 1950 ' s . it breaks through the resolution limitation imposed by real aperture . with pulse compression technology , two - dimensional high resolution to distant targets can be realized
  合成孔径雷达( sar )是五十年代发展起来的一种新型雷达体制，它利用合成孔径原理，突破了实孔径天线对分辨率的限制，并结合脉冲压缩技术，可以对远距离目标进行方位向和距离向两维高分辨成像。
• If we tracked satellite by the tradition narrow beam antenna , that should caused the jumping tracking between multi - aircraft . that is difficult to achieve by the immense antenna boot and the follow - up system . using digital beam forming realize aircraft target tracking and controlling should be best means to resolve this problem
  随着我国多星测控系统的发展，在一个测控站作用范围内将出现多星，同时要求地面站对多星同时进行跟踪测控；如果采用传统的窄波束天线对目标进行跟踪测控，必然导致天线在多个飞行器之间进行跳动跟踪，这对于庞大的天线引导、伺服系统来说难以实现，采用数字波束对飞行器目标进行跟踪测控是解决此问题的最好方法。
• Simulations of the beam forming are given in each discuss . in order to examine the enhancements of capacity by employing smart antennas , we set up a system - analyzing model , which includes the propagation waste model and interference model . according to the models , we study the capacity of scdma system
  为了具体计算智能天线对系统容量的提高，本文建立了一个系统分析模型分别对无线传播模型、干扰模型等进行了假设，并详细推导和计算了在该模型下scdma无线接入系统的容量。
• Smart antenna adopts sdma , and in terms of the difference of transmission direction , it can distinguish signals of the same frequency and the same time interspace . smart antenna can enlarge cacacity greatly , and has become a key research topic of many countries nowdays . this dissertation makes a detailed introduction of smart antenna in the wireless communication system , mainly in the cdma system , and the influence of smart antenna on cdma system capacity is also analyzed . the dissertation is made up of six chapters : chapter 1 simply discusses the history of wireless communication and the three criteria of cdma , and introduces smart mobile communication technique
  它可以成倍地扩展通信容量，已经成为当今世界各国的重点研究对象。本文对无线通信系统主要是cdma系统中的智能天线的技术特点做了详尽介绍，对智能天线对cdma系统容量的影响做了细致分析。全文共分六章，安排如下：第一章简述了无线通信的历史和三种cdma标准，介绍了智能移动通信技术的一些内容。
• With compensation of signal ’ s time delay from different radiating element by phase shifters , phased - array antenna can control array beam easily . because there are no mechanical devices for rotating beam , the phased - array antenna system can scan everywhere in beam covered areas in millisecand by stepping the phase shifters . it improves the tracking velocity of antenna towards the object , and becomes the development trends of weapon system antennas
  相控阵天线利用移相器补偿信号到达辐射单元时间的差异,从而控制波束方向;天线没有机械旋转问题,只需改变移相器的设定值,波束便可以在毫秒级内扫描其覆盖空域内的任何地方,提高了天线对目标的跟踪速度,是目前武器系统天线的发展方向。
• Smart antenna has two critical tasks , one is to filter the uplink signals , and the other is to form the downlink beam , and we need adaptive algorithm and digital signal processing ( dsp ) technology to fulfill these work . adaptive algorithm is one of the most important technologies of smart antenna , and it determines smart antenna ' s speed to the wanted to signal and the complexity of the circuit of the communication system
  自适应算法是智能天线的核心技术之一,它决定着智能天线对来波信号响应的速率和系统实现电路的复杂程度,系统需要针对各种通信环境来选择合适的算法,也可以采用算法分集的方法来使整个系统工作在最佳状态。