2) word before
某字前的字
4) preamble
[英][pri'æmbl] [美][prɪ'æmbḷ]
前导字
1.
Based on the Euclidean distance in frequency domain,the frame detection algorithm considers the periodicity of the downlink preamble in time domain,thus efficiently improves the robustness of the detection procedure.
充分利用下行帧前导字的周期性,提出一种新颖的基于频域欧氏距离的帧头检测算法,有效地提高了检测的鲁棒性。
2.
Among all frequency estimation techniques, the methods based on preamble with multiple periodic signal structure in frame are simple but effective.
利用帧前导字中的重复性训练序列进行频偏估计是一种简便有效的处理方法。
3.
Then,an integer frequency offset estimation algorithm using the differentiated sequence of the preamble is proposed,which is robust to the remaining timing offset.
本文提出一个有效的利用周期性前导字的OFDM定时同步与频偏估计算法。
5) precruciate gyrus
十字前回
6) digital front-end
数字前端
1.
This paper introduces the software radios and the digital front-end,discusses on the problem of realizing the digital front-end.
介绍了软件无线电和数字前端,论述了数字前端实现的问题。
补充资料：添前字
1.唐代新录取的进士，在参加皇帝曲江赐宴之后，即登慈恩寺塔题名留念。如遇未及第时题名处，则在其上添一'前'字，谓之"添前字"。
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