1) VHF/UHF frequency band
VHF/UHF频段
1.
This paper studies a wireless data communication system based on OFDM technology which could greatly increase the frequency efficiency of VHF/UHF frequency band.
本文研究了一个以OFDM技术为核心,大幅提高VHF/UHF频段频带利用率的无线数据通信系统,并对该系统的关键技术——同步进行了较为详细的讨论,包括帧同步、符号同步及小数倍频偏、整数倍频偏同步。
2) VHF/UHF
VHF/UHF波段
1.
A modified NLCS algorithm for VHF/UHF SAR imaging
用于VHF/UHF波段SAR成像的改进型NLCS算法
3) UHF band
UHF频段
1.
Aiming at on the problems of UHF band antenna radiation performance test in Compensated Compact Range(CCR),how to use CCR s test facility,equipments and CCR s larger chamber to carry out the UHF band antenna test and how to improve the UHF band antenna measurement accuracy to satisfied the performance test requirements,this paper described the solving methods.
针对CCR120/100紧缩场超高频(UHF)天线测试的问题,根据紧缩场的现有条件,给出了利用紧缩场进行UHF天线辐射特性测试的方法,以及进一步提高测试精度的方法,以满足卫星UHF频段天线辐射特性测试的需求。
2.
A vehicle management system of community based on UHF band RFID technology is introduced in this article.
该文是基于UHF频段的RFID技术在小区车辆管理系统中的应用,系统包括车载标签,读头,天线和相关指令软件等部分。
3.
In this paper,according to ISO18600-6C(FCC) specification,a simulation model is constructed to analyze the requirements of UHF band mono-antenna RF Module by Agilent ADS-2008 software.
本文按照ISO18000-6C标准的要求建立仿真模型来分析UHF频段RFID读写器在收发单天线条件下射频模块的设计,解决收发单天线比收发双天线隔离度差对射频模块设计的挑战,然后根据仿真分析结果设计一种零中频方案,高集成度2根收发单天线的UHF频段RFID读写器射频模块,输出功率达到1W。
5) Very High Frequency/Ultra High Frequency(VHF/UHF)
甚高频/超高频(VHF/UHF)
6) VHF/UHF antenna
VHF/UHF天线
1.
Due to the potential applications of frequency-hopping and spread-spectrum techniques in the modern military secure communication systems, the development of broadband omni-directional miniaturized VHF/UHF antennas, which are known as key components of the communication systems, is an urgent and important issue in theory and applications.
简要概括了线天线以及平面单极子天线的宽带化、小型化技术以及发展状况,为本文VHF/UHF天线设计提供了基础。
补充资料：频段
1.把无线电波按频率不同而分成的段，例如低频﹑中频﹑高频﹑超高频。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条