1) virtual sub-carriers
虚拟子载波
1.
A beamforming algorithm based on virtual sub-carriers and pilot sub-carriers for OFDM system with adaptive antenna array;
一种基于虚拟子载波和导频子载波的多天线OFDM系统波束成形算法
2) Virtual Subcarrier
虚子载波
1.
A Low-Complexity Blind Carrier Frequency Offset Estimation with Virtual Subcarriers for MIMO-OFDM Systems;
MIMO-OFDM系统中基于虚子载波的低复杂度盲频偏估计
3) virtual carrier sense
虚拟载波监听
1.
This paper introduces a multi-channel media access protocol FAMAC and proposes an improved scheme based on virtual carrier sense,and analyzes the performance of this protocol by OPNET simulation software.
介绍了一种多信道接入协议FAMAC,提出了一种基于虚拟载波监听的改进方案,利用OPNET软件对其性能进行了分析,仿真结果表明改进的FAMAC协议与原FAMAC协议相比,在含有隐藏终端和暴露终端的复杂网络拓扑条件下能够显著地节约信道资源,而协议的性能却没有明显的下降。
5) virtual loading
虚拟装载
1.
A car carrier virtual loading simulation system was set up based on UG.
在Unigraphics(UG)环境下,开发建立了汽车运输半挂车虚拟装载仿真系统,阐述了装载仿真系统中商品车和运输车的参数化建模、干涉检查、动态仿真等关键技术问题。
6) dummy load
虚拟载荷
1.
The paper avoids trobeles which may accur in constructting Airy stress function, with the help of using dummy load and coordinate transferring.
该文利用虚拟载荷和坐标变换的办法，避免了在构造Ａｉｒｙ应力函数时可能出现的问题。
补充资料：电力线载波保护复用载波机
电力线载波保护复用载波机
multi purpose PLC equipment for teleprotection system
d一onl一x一on zolbo boohu fuyong 20一boJ-电力线载波保护复用载波机(multi purposePLC equiPment for teleProteetion system)见电力线载波机。
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