卡- 27装有用于导航、探测水面潜艇及通信天线的雷达系统。
For navigation and to detecting surfaced submarines and responder beacons, a radar system is equipped.
在舰艏甲板上的大型起重机和通信天线桅杆移除被一座跟踪雷达代替。
The large crane and communication mast on the bow deck was removed and replaced by a tracking radar.
相控阵天线具有低轮廓、易共形、跟踪速度快等特点,是通信天线的技术发展趋势。
The phased array antenna has the features such as low profile, good conformal shape and high tracking speed, it is the development trend for communication antennas.
本文以通信天线为对象,对典型的多车集群系统车际天线间电磁干扰特性作了研究。
The typical EMI among the antennas of multi-vehicle was studied through communication antenna in this thesis.
某些移动卫星通信天线自动跟踪系统采用激光陀螺进行跟踪,但激光陀螺跟踪有其不足之处。
A new method, gadient algorithm, is put forward to replace the laser gyroscope for the antenna autotracking system of the mobile satellite communication earth station.
美国空军研发的先进多波段通信天线系统(amcas)是一种极低姿态天线,大大降低了飞机拖曳。
The Advanced Multiband Communication antenna System (AMCAS), developed for the U. S. air Force, is an extremely low-profile antenna that significantly reduces drag on an aircraft.
本论文对小型宽带微带天线,超宽带及超宽带带阻天线及无线通信天线进行了深入研究,提出了几种新颖的设计。
The author took a brief introduce on several UWB band-notch antennas, and summarizing the techniques to achieve band-notch design.
例如,许多电子安检设备,如EAS(商品防窃检测)、RFID(射频识别)读写设备等,都要应用高效的近场通信天线。
For example, both the EAS(Electronic Article Surveillance) system and the RFID(Radio Frequency Identification) system need high effective the short-range radio communication antenna.
一艘美国大军舰,密密麻麻布满了100多副巨型铜质天线,为舰上武器、雷达及语音数据通信收发信号。
BIG American warship bristles with more than 100 large copper antennae that send and receive signals for its weapons, its radar and its voice and data communications.
一艘美国大军舰,密密麻麻布满了100多副巨型铜质天线,为舰上武器、雷达及语音数据通信收发信号。
A BIG American warship bristles with more than 100 large copper antennae that send and receive signals for its weapons, its radar and its voice and data communications.
移动电话通信通过一个称为基站的固定天线网络发射无线电波。
Mobile phones communicate by transmitting radio waves through a network of fixed antennas called base stations.
多天线系统可以改进无线通信的容量,提高可靠性。
Multiple antenna system can improve the reliability and capacity of wireless communication.
本文介绍了智能天线在未来移动通信系统中的重要作用。
In this paper, the role of smart antenna in future mobile communication system is introduced.
文章基于MIMO ARQ无线通信系统,针对发送天线选择和预编码技术的联合使用,依照系统容量,提出了一种次优的联合优化算法。
Based on the MIMO ARQ wireless communication system, to combine the transmitting antenna selection and pre-coding, according to system capacity, this paper proposed a sub-optimal algorithm.
低剖面天线以其轮廓低、风阻小、易于实现与载体共形等特点在现代无线通信技术中得到越来越多的应用。
In the modern wireless communication system, more and more low-profile antennas appear due to their characteristics, such as lower profile, less wind resistance and easier to conform with carriers.
在无线通信技术中,定向天线以某一波瓣辐射的电磁能。
In radiocommunications, the radiation in a lobe of a directional antenna.
讨论了多发射天线OFDM系统中有限比率反馈对通信系统误码率的影响。
The effect of finite rate feedback in multiple-antenna OFDM systems on communication performance is discussed in this paper.
因此,针对特定通信系统的要求,研究相应的新型微带天线具有重要的意义。
So it is necessary to design novel microstrip antenna for specific communication systems.
天线是通信对抗系统的关键组成部分,其性能直接影响整个系统的作战效能。
Antenna is an essential component of communication countermeasure system, and its performance directly affects the whole system's combat effectiveness.
MIMO技术是无线移动通信领域智能天线技术的重大突破,能够成倍提高系统的容量和频谱利用率。
MIMO technology is the significant breakouts in smart antenna technology of wireless communication field, it can significantly improve system capacity and using rate of frequency.
在无线通信系统链路设计中,天线方向增益是一个关键参数。
In the design of the wireless communication system links, the antenna direction plus is a key parameter.
指挥站由许多子系统组成,包括卫星通信、天线控制、视频会议、监视电视、IP电话和电源。
The command posts consists of a number of subsystems, including satellite communications, antenna control, video conference, surveillance TV, IP telephone, and power supply.
在微波通信中,天线方位角的校准通常采用经纬仪法,存在误差大、效率低的缺点。
In microwave communication, the conventional theodolite method for antenna azimuth calibration is of large error and poor efficiency.
本文研究了在第三代移动通信WCDMA系统中的智能天线应用。
In this paper, the applications of smart antennas in WCDMA system are discussed.
硬件方面包括主控模块、射频模块、天线、通信模块、报警显示模块、键盘输入模块几部分。
The hardware involves main control module, Radio Frequency module, antenna, communication module, alarming and displaying modules, keyboard inputting module and so on.
提出了一种基于平均信道增益矩阵的分布式天线无线通信系统下行功率控制算法。
A power control algorithm for the downlink of a distributed antenna wireless communication system is proposed by the use of the average channel gain matrix.
在移动通信系统中,采用智能天线可以通过降低系统信噪比(SIR)来提高容量。
In mobile communication system, adopting smart antenna can decrease system SIR (Signal-Interference Ratio) and enhance system capacity.
在移动通信系统中,采用智能天线可以通过降低系统信噪比(SIR)来提高容量。
In mobile communication system, adopting smart antenna can decrease system SIR (Signal-Interference Ratio) and enhance system capacity.
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