sequence symbol
英 [ˈsiːkwəns ˈsɪmbl]
美 [ˈsiːkwəns ˈsɪmbl]
网络 顺序符号
双语例句
- Left brain is the representative of the language, logic, sequence, analysis, symbol of the region;
左脑是代表语言、逻辑、顺序、分析、符号的区域； - With the proposed synchronization algorithm, the received signals do not need to correlate with the local sequence whose length is the same as that of the OFDM symbol.
该同步方法不需要在接收信号与本地序列之间做OFDM符号长度的相关。 - Due to the obvious impact of frequency offset on PN sequences, based on the FH sequence, a symbol synchronization scheme with a conjugate symmetric training sequence is proposed.
针对频偏对PN序列相关性影响比较明显的问题，提出了一种利用FH序列构造的具有共轭对称性质的训练序列进行符号同步的方案。 - This algorithm utilizes inherent correlation property of two segments of information sequence to carry out accurate symbol timing estimation.
该算法利用经过特殊处理的前后两段信息序列的内在相关性进行准确的符号定时估计。 - The correlation between the coded symbol sequences was considered and a multi-order context probability model ( MOCPM) was built to reduce redundancy between symbols by using bigger probability value of symbol sequence instead of smaller probability value of single symbol.
考虑了编码符号序列之间的相关性，用符号序列的大概率值代替单个符号的较小概率值，由此建立了多阶上下文概率模型，降低符号间的冗余度。 - That is, the data stored are not the sequence pairs themselves, but a symbol method.
一个字节的每一位表示上一层序列偶向下生成序列偶的八种情况：即存储的数据，不是生成的序列偶本身，而是该序列偶的一种表示方法。 - This transformative DFE added an adjustable offset value, its feedback coming from a sequence generated from the decision result, and the tap interval of its feedback filter was less than the symbol interval.
该变形的DFE增加了一个可调偏移量，反馈来自于根据判决结果而生成的序列，反馈滤波器的抽头间隔小于符号间隔。 - Based upon the fundamental analysis, the estimation result of power spectrum of random sequence of PWPM signals is presented by simulating on personal computer, the result also shows that there is a symbol synchronous signal.
在理论分析研究的基础上，给出了利用计算机模拟的PWPM方式下随机信号序列的功率谱图，证实了符号同步信号的存在。 - For the direct sequence spread spectrum ( DS-SS) signal, an approach, which can estimate the carrier frequency and the symbol period simultaneously, is proposed based on fourth-order cumulant 2-D slice.
基于四阶累积量2-D切片，提出了一种低信噪比环境直扩信号的参数估计方法。 - Experimental results show that the method, which is based on the eigenvalue analysis, can estimate the chaotic spreading sequence only by the knowledge of symbol period in a non-cooperative context.
在只知道扩频码周期而无其它任何先验知识的条件下，利用特征值分析的方法可以对数字混沌直扩序列进行盲估计，仿真实验证明了该方法的有效性。 - The Maximum Likelihood Algorithm, which based on sequence relationship algorithm of the Cyclic Prefix ( CP) and period abstraction, discussed here obtains peak period of the relation sequence of CP in 4 OFDM symbol in order to distinguish the symbol length.
本文提出的最大似然算法，结合循环前缀相关算法与周期提取，在4个OFDM符号时间内提取相关序列峰值周期从而判断符号长度参数。 - The performance of direct sequence spread spectrum multiple access ( DS/ SSMA) system with this symbol/ sequence TCM over flat Rayleigh fading channel has been investigated by theoretical analysis and numerical simulation.
我们运用理论分析和数值模拟方法研究了在平坦瑞利衰落信道下采用该符号／序列TCM的直扩多址系统的性能。 - Experimentally, the input pulse sequence with the same cycle and with the unequal cycle act on H-H model respectively. The experimental results show that the output symbol sequence corresponds with the input sequence.
分别将等周期和非等周期的输入刺激信号作用于H-H模型，得到输出脉冲序列对应的符号序列，实验结果表明输出脉冲符号序列与输入脉冲间存在着一定的对应关系。 - For the symbol rate estimation of the DSSS/ BPSK signal, the time autocorrelation method is introduced by analyzing the autocorrelation of the spreading sequence, and the minimum distance between the correlation peaks is the symbol period to be estimated. 4.
针对DSSS/BPSK信号符号速率估计，通过分析扩频序列的自相关性，介绍了时域自相关法，通过计算相关峰之间的最小距离来估计符号周期。 - The improved frequeney algorithm uses the training sequence which are used for timing recovery. The repeating of reference symbol in training symbols extend the rang of frequency estimation. As the improved algorithm is executed in time domain, the carrier frequency acquisition can be fasted.
改进的频率同步算法利用了定时同步中使用的训练序列，由于训练符号中参考符号的重复，扩展了频率估计范围，且改进算法在时域内完成，加快了载波频率同步速度。 - In Direct Sequence Spread Spectrum ( DSSS) signal, a symbol information is multiplied with a pseudo-random sequence to spread the spectrum, so when the channel capacity is fixed, the Signal-to-Noise Ratio ( SNR) tolerance of the transmission signal can be reduced.
在直接序列扩频（DSSS）信号中，一个符号信息与一个伪随机序列相乘来扩展频谱，使之在信道容量一定时，降低可传输信号的信噪比容限。