finite alphabet
英 [ˈfaɪnaɪt ˈælfəbet]
美 [ˈfaɪnaɪt ˈælfəbet]
有限字母（表）
双语例句
- In addition, we proved that a maximal prefix code with finite length that contains the alphabet in X must be a maximal code.
同时，证明了满足含有X中字母且长度有限的极大前缀码必是极大码。 - In the meantime, an improvement about the SAGE algorithm is proceeded on the basis of finite alphabet characteristic and pilot information of the 3G communications system.
同时，由于第三代移动通信系统具有有限字符特性，并且存在上行链路导频信息，本文基于这两点对SAGE算法进行了改进。 - In the first detector, the finite alphabet property of modulated symbols was used. During the process of iteration, the prior information was also updated through posteriori probability calculations.
第1种检测器利用了已调信号的有限字母特性，通过后验概率的计算更新先验信息； - A string-rewriting system(Σ: R) is a set of all words or strings over some finite alphabet Σ.
串重写系统（∑：r）是定义在字母表∑上的所有字符串的集合。 - Different from present adaptive equalization algorithms based on LMS and RLS, this paper proposes a new recursive algorithm of combined optimization to blindly detect the sequence of single-input multiple-output ( SIMO) channels. This algorithm is based on the information of finite alphabet.
与现有的自适应均衡LMS算法、RLS算法不同，提出了一种基于有限字符集信息的组合递推算法，实现单输入多输出（SIMO）信道盲序列检测。 - Let X~ be the free monoid over finite alphabet set X, let X~ as node set constitute a language diagram, then use it to investigate maximal prefix code, and obtain a tie of sufficiency and necessary conditions of discriminating maximal prefix code.
设X是有限字母集X上的自由幺半群，以X为顶点集构造一个语言图，用它来研究极大前缀码，并给出一系列判定极大前缀码的充要条件。 - In this paper, a blind channel estimator based on the aid of Pseudo-Pilot-Symbols ( PPS) is proposed in terms of the two characters of OFDM system: the finite alphabet property of information symbols and independent property between subchannels.
该文利用OFDM系统传输的信息符号为有限字符集和各子载波的相互独立特性，提出了用伪导频符号（PPS）进行信道的盲估计算法。 - Then, the algorithm exploits the structure of space-time block coding in combination with the finite alphabet property of transmitted symbols to estimate the original symbol sequences for all active users.
进而，利用空时分组码的正交结构以及发射符号的有限码集特性给出了所有活动用户原始符号序列的闭式估计。 - That is, transfer the problem of blind equalization into quadratic programming problem of finite alphabet and solve this problem with ant colony algorithm.
将盲均衡问题转化为基于有限字符集的二次规划问题，利用蚁群算法解决此优化问题。 - Chapter ⅲ describes the basic ant colony optimization blind detection algorithm based on the SIMO system model, meanwhile the algorithm is validated by simulation after transferring the problem of blind equalization into quadratic programming problem of finite alphabet.
第三章首先将盲均衡问题转化为基于有限字符集的二次规划问题，然后介绍基于SIMO系统模型的基本蚁群优化盲检测算法，最后通过仿真实验进行验证。