The Enhanced Position Location Reporting System Extended Frequency (EPLRS-XF) radio enables more efficient communication in congested battlefield environments, Raytheon officials said.
雷声公司官员说，增强型定位报告系统频率扩展型(EPLRS - XF)电台可以在信号拥堵的战场环境中实现更有效的沟通。
The hardware involves main control module, Radio Frequency module, antenna, communication module, alarming and displaying modules, keyboard inputting module and so on.
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。
However, for the wireless mobile communication systems, the radio channel is frequency selective and time-varying.
对于无线通信系统，无线信道不仅是频率选择性的，而且是时变的。
The research and development of this task deal with the integrated technologies, such as radio frequency identification, application-embedded, wireless communication and management of data base, etc.
本课题的研究和开发涉及了无线射频识别、嵌入式、无线通讯、数据库管理等综合技术。
After analyzed RFID and NFC technology, they are considered as radio frequency communication and listed up some examples of other radio frequency.
本文在分析射频识别和近场通信的基础上，指出它们同属射频通信，而且列举了射频通信的其他技术。
Since NASA first ventured into space, paths relied on radio frequency (RF) communication.
自nasa首次进军太空，它依赖于无线电频率(RF)通信。
Wire and cable: cable power, communication cable, RF (radio frequency) cable, control cable, data cable, fiber-optic cable and other varied materials and purposes exclusive use.
电线电缆：电力电缆，通讯电缆，射频电缆，控制电缆，数据电缆，光纤电缆等不同材质和不同用途的专用电缆。
With the rapid development of the communication technique and the growing demand of the markets, the better performance of radio-frequency (RF) wireless receivers is requested.
随着现代通信技术的飞速发展和市场需求的不断提高，对射频接收机的性能提出了更高要求。
The trend of the future mobile communication is digital transformation speed raised and radio frequency spectrum resource used sufficiently.
未来移动通信系统的发展趋势之一便是数据传输速率得到极大提高同时无线频谱资源会得到更充分地利用。
The invention relates to a method for wireless communication, in which a receiver (MS) receives a first signal at a first radio frequency and determines the reception level of the first signal.
本发明涉及一种用于通过无线电通信的方法，其中接收器(MS)以第一无线电频率接收第一信号并确定该第一信号的接收强度。
Frequency specialization makes the communication value of broadcasting more concrete, and it is beneficial for radio stations to reorganize their resources and form integrated brand effect.
广播“频率专业化”使广播的传播价值由笼统变为具体，有利于电台重新组合各种资源，在整体上形成品牌效应。
Using the principle of radio communication, the coach conducted individual skater through specific frequency. The Device made the coach enable to communicate any of the skaters during training.
此仪器采用无线电通讯方式，以发射不同频率的载波来区分被指挥对象，解决了在速滑运动训练中教练员对运动员实施单独指挥的手段问题。
Methods and apparatuses for Orthogonal Frequency-Division Multiplexing (OFDM) communication of non-OFDM radio signals are disclosed.
公开了用于非正交频分多路复用（OFDM）无线电信号的OFDM通信 的方法和装置。
Low cost high-frequency device, high-frequency amplifying method, radio communication device and mobile phone.
低成本高频装置，高频放大方法，无线通信装置和移动电话。
Their gear includes satellite communication systems, high-frequency radio, long-range optical equipment.
他们的装备包括卫星通信系统，高频电台，远距离。
Military Intelligence Battalion's gear includes satellite communication systems, high-frequency radio, long-range optical equipment.
美军陆军军事情报营的装备包括卫星通信系统、高频电台、远距离光学仪器。
Near Field Communication (NFC) is a new short-range radio frequency technology, which make two devices communicate easily and fast.
是一种新型的近距离无线通信技术，它使得移动设备的通讯更方便、快捷。
The models implement all functions of the FH radio, and describe the actions of frequency-hopping communication exactly.
模型实现了跳频电台的各项功能，准确描述了该跳频无线通信网络的通信行为。
The radio frequency is the base and medium of the radio communication, and also a special type of natural resources.
无线电频率资源是无线电通信的媒介与基础，也是一种特殊的自然资源。
Short wave is radio frequency band earliest utilized by human being, and short wave communication is one modern communication method with a long history.
短波是人类最早开发利用的无线电频段，短波通信是历史最为悠久的现代通信手段之一。
The CDMA based on the radio frequency spread technique has been a very attractive multiple access technique in the radio communication field since 1990.
以无线扩频通信技术为基础的CDma技术，是进入90年代以来无线通信领域十分引入注目的多址通信技术。
Use for to system volume, serious to have small-scale communication, network equipment that require join the coaxial cable of the radio frequency extensively.
广泛用于对系统体积、重量都有要求的小型通讯、网络设备中连接射频同轴电缆。
As the rapid development of communication system in every area, the research and development of the radio frequency power amplifier has been progressing greatly.
随着军用、民用通信系统的迅猛发展，对功率放大器的研制也提出了更高甚至是全新的要求。
The band width of the radio-frequency signal for the spread spectrum communication can be spreaded to several times or even thousands of times the band width of the information signal.
扩频通信的射频信号频带宽度，可扩展到信息信号频带宽度的数倍乃至数千倍。
The embodiment of the invention relates to the field of electronic communication, in particular to a base station radio frequency duplexer, a radio frequency module and a radio frequency system.
本发明实施例涉及电子通信领域，尤其是一种基站射频双工器、射频模块和射频系统。
We adopt the most advanced radio frequency technique in vehicle recognition and adopt the CAN bus technique in system communication.
由于本系统中车辆识别采用了目前先进的射频识别技术，系统通讯采用了CAN总线技术。
The principle of implementing automatic test system of radio audio frequency lifesaving module based on the communication between computer and digital instrument based on GPIB bus is introduced.
介绍了基于GPIB总线的计算机与数字仪器之间的通信来实现电台音频救生模块的自动测试系统原理。
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.
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。
Radio Frequency Communication Circuits Undergraduate course, 3.5 credit hours.
高频电子线路本科生专业必修课，3.5学分。
The embodiment of the invention relates to the technical field of communication, and discloses a security authentication method, a device and a system for radio frequency identification.
本发明实施例涉及通信技术领域，公开一种射频识别的安全认证方法、装置及系统。
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