1) group frequency hopping
分组跳频
1.
In order to solve the problem of performance degradation caused by deep fading and optimize system resource allocation,a novel group frequency hopping(FH) algorithm for multiuser orthogonal frequency-division multiplexing(OFDM)system is proposed.
针对多用户OFDM系统,提出一种新的分组跳频算法,将多个处于深衰落子载波上的频域序列组合构成一个短OFDM帧,动态地分配到系统空闲子载波上进行传输,以解决深衰落所带来的系统性能恶化问题,同时优化系统的资源分配。
2) frequency-hop packet radio network
跳频分组无线网
1.
As the frequency- hop packet radio network has good a bi lity of resisting interference and the characteristic of high security, it is wi dely used in tactical networks.
跳频分组无线网抗干扰性好,保密性强,广泛应用于战术通信系统。
3) FH spread spectrum packet radio network
跳频扩频分组无线网
4) FH building-net
跳频组网
1.
FH synchronization is set up using the method of combining synchronization head with time of day (TOD), FH building-net using TDMA.
采用同步字头和时间信息TOD相结合的方法实现跳频同步,采用时分多址(TDMA)方式进行跳频组网。
5) differential frequency-hopping
差分跳频
1.
The anti-jamming capabilities of HF differential frequency-hopping radio;
短波差分跳频电台的抗干扰性能
2.
Symbol-by-symbol detection and sequence detection are adopted in differential frequency-hopping (DFH) system.
在瑞利衰落信道和同步多用户环境下,分别针对逐符号检测和按序列检测两种信号检测方法,从理论上分析了差分跳频通信系统的误符号性能,同时做出相应的计算机仿真。
3.
Differential Frequency-Hopping(DFH) Communication, also called Correlated Frequency-Hopping Communication, is a new type of communication technique which is well developped in recent several years.
差分跳频通信,又称相关跳频通信,是近几年发展起来的新型通信技术。
6) DFH
差分跳频
1.
Existence detection of DFH signals;
差分跳频信号的存在性检测
2.
Performance Analysis of DFH System Based on RS Codes;
RS码下的差分跳频系统性能分析
3.
A High Resolution Frequency Estimation Algorithm for DFH Signal;
高分辨率差分跳频信号频率检测
补充资料：无线电台网(见无线电通信)
无线电台网(见无线电通信)
radio communication network
些刃朋diantQiwung尤线电台网(radio communieation net-worlc)见无线电通信。
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