1) Pseudo-Pilot-Symbols(PPS)
伪导颁符号
2) pseudo-pilot-symbols
伪导频符号
3) pseudo symbol
伪符号
4) false random symbol
伪随机符号
1.
A methodology of overlaying false random symbols on screen is employed to detect tempering and removal of cameras.
本文引入对抗的概念设计了一种基于MB90092型专用字符叠加电路的视频监控系统,该系统使用了在屏幕上叠加动态伪随机符号的方法,防止系统在运行时监控头被拆卸,并可检测出随意拆动监控头系统的行为,有效防止了因信号传输线路被随意改动而导致伪图像的引入。
5) pilot symbols
导频符号
1.
Accounting to the frame structure of WCDMA,in the array processing we use LMS adaptive algorithm, which uses the spreading sequences of pilot symbols of each slot as the reference signals for updating the weight vectors of antenna arrays.
在WCDMA系统上行链路中 ,提出把智能天线与RAKE接收机相结合 ,利用上行链路的帧结构特征 ,将各时隙的导频符号的扩频序列作为阵列处理部分的LMS自适应算法更新阵元权矢量的参考信号 ,来解决CDMA系统反向信道的容量受限问题。
2.
The results from simulations and practical tests show that, shortwave channel changes fiercely, and the system performance relys on the inserted way of pilot symbols and algorithm of channel estimation.
仿真和实测结果表明,短波信道变化剧烈,系统性能依赖于导频符号的插入方式和倌道估计算法。
6) 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。
补充资料：颁驾
1.谓期望对方到达。
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