1) preamble technique
前导符技术
2) preamble
[英][pri'æmbl] [美][prɪ'æmbḷ]
前导符号
1.
Under exploiting MIMO-OFDM communication system spatial signal resources, diversity algorithms based on one preamble symbol for MIMO-OFDM frame and symbol timing synchronization are presented in this paper.
应用MIMO-OFDM无线通信系统的空间信号资源,提出了基于单个前导符号的MIMO-OFDM系统帧定时和符号定时同步的分集算法,以克服高速无线多径信道中深衰落对MIMO-OFDM系统定时同步性能的影响,给出了具体的帧定时、符号定时同步的分集算法以及在高速无线多径信道COST207模型下帧定时和符号定时同步的仿真结果。
2.
A low-overhead oriented method for fast frequency offset estimation of OFDM is proposed,which uses only one OFDM symbol with L identical parts as preamble.
提出一种基于前导符号为L等分结构的OFDM快速频偏估计的新方法,该方法只需一个OFDM符号作为前导符号,数据开销较小。
3.
16d OFDM symbols\' structure was outlined,and in accordance with the characteristics of OFDM channel estimation,a new channel estimation algorithm based on the pilot and preamble was proposed.
16dOFDM系统的符号结构进行了概述,结合OFDM信道估计的特点,提出了一种基于前导符号和非均匀导频的信道估计的算法,并在SUI1-SUI6信道环境下,用MATLAB对其性能进行了仿真。
4) prefix characters
前导符
5) coincidence technique
符合技术
1.
Doppler-broadening spectra of positron annihilation radiation of Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn and Ga have been measured by using 2-detector coincidence technique.
采用双探头符合技术,可大幅度地降低谱线的本底,并获得正电子与原子内层电子湮没对谱线的贡献。
补充资料：前导
1.引导;引路。 2.引路的人;向导。 3.我国古代官吏出行时前列的仪仗。
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