1) The radiation power of VHF and UHF band wireless microphone
VHF和UHF段的无线话筒的辐射功率
2) 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。
3) 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
4) 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。
5) propagation of radio waves
UHF无线电波的传播
6) VHF radiation
VHF辐射
1.
Recently,a class of bipolar pulses is of great interest to the lightning community because their associated powerful VHF radiation is the source of satelliteobserved TIPPs(Trans-Ionosphere Pulse Pairs) which are an order stronger than that of normal lightning discharges.
闪电过程中一类双极性脉冲辐射伴随的超过常规闪电一个数量级的VHF辐射是卫星观测的穿越电离层的脉冲对(TIPPs)的来源。
2.
The change in propagation direction of the lightning current causedby the channel geometry (branch or tortuosity) may introduce subsidiary peaks into lightning return stroke waveformsand also alter its VHF radiation.
云地闪电回击通道分叉或者曲折引起的电流传播方向改变可以在回击辐射波形上面引入一系列次峰结构乃至影响其VHF辐射特征。
补充资料：辐射功率
分子式：
CAS号：
性质：又称辐射功率。与辐照(能)积分通量Φ同义，即以辐照的形式发射、传播和接受的功率。符号为P。其SI制单位为W。1W=1J/s，在光化学中，Φ仍保留作为量子产率的符号。
CAS号：
性质：又称辐射功率。与辐照(能)积分通量Φ同义，即以辐照的形式发射、传播和接受的功率。符号为P。其SI制单位为W。1W=1J/s，在光化学中，Φ仍保留作为量子产率的符号。
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