1) Circular pilot sequence
循环导频序列
2) Recursive Sequence
循环序列
3) pilot sequence
导频序列
1.
Method of channel estimation based on pilot sequence for space-time coded OFDM system;
基于导频序列的空时编码OFDM系统的信道估计方法
2.
In this method,the data are assumed to be transmitted in packets and the pilot sequences are superimposed on the data sequences.
文中假设数据以包为单位进行传输,导频序列以叠加的方式和数据序列相结合,在得到对应于数据包内每帧OFDM信号的信道冲激响应之后,再在一个包内对这些信道冲激响应进行加权平均,从而提高信道估计的精度。
3.
In this method,the data are assumed to be transmitted in packets while the pilot sequences and data sequences are combined by superimposing.
在这种方法中,假设数据以包为单位进行发送,导频序列采用叠加(superimposed)的方式和数据序列相结合,得到对应于一个数据包内每一帧OFDM信号的信道冲激响应之后,在这个数据包内对这些信道冲激响应进行加权平均,从而提高信道估计的精度。
4) pilot sequences
导频序列
1.
Based on piecewise linear model,this paper proposes an estimation method that first estimates the slope of linear variant and the channel impulse response at the middle time of the current OFDM symbol using pilot sequences, and then estimates the whole channel impulse response through the estimated parameters.
基于分段线性模型,提出了一种利用导频序列的信道估计算法。
2.
A method of TDOA position location using pilot sequences transmitted by the base stations(BS) in CDMA cellular networks for 3-D moving targets is presented in this paper.
根据直达干扰分量的多普勒频移为零,而目标反射信号的多普勒频移非零以及伪随机序列自相关函数的特点,采用级联对消方法滤除各个基站直达分量的干扰;再根据基站间的位置关系及各个导频序列的偏移量,采用该文提出的“簇”方法实现基站与多径时延的配对,完成对定位参数的估计;最后,将Chan提出的TDOA定位方法[7]推广到三维情况,实现运动目标的定位。
5) cyclical sequence method
循环序列法
6) second order recursion sequence
二阶循环序列
1.
In this paper, the author studies the condition for square numbers in a second order recursion sequence:L_0=0,L_1=1,L_(n+2)=2kL_(n+1)-L_n (n≥0)V_0=2,V_1=2k,V_(n+2)=2kV_(n+1)-V_n (n≥0)And some results are reached by solving several Diophantine equafions.
本文考虑二阶循环序列 L_0=0,L_1=1,L_(n+2)=2kL_(n+1)-L_n (n≥0) V_0=2,V_1=2k,V_(n+2)=2kV_(n+1)-V_n (n≥0)中存在平方数的条件,通过若干不定方程的研究得出若干结果。
补充资料：循环
循环
①顺着环形的轨道旋转，比喻事物周而复始的运动。②物理学名词。物质系统从某一状态经过一系列变化回到初始状态的过程。③医学上指血液和淋巴液在循环系统的流动过程。
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