新的搜索准则是最小化OSIC检测时的误符号率。
New search criterion is to minimize the symbol error rate based on OSIC detection.
针对MPSK通信信号的符号率估计问题进行了研究。
The nonlinear energy operator to the MPSK signals is extended to estimate its symbol rate.
提出一种基于循环相关符号率盲估计的快速实现方法。
A fast realization method of the cyclic correlation based symbol rate blind estimation is proposed.
本文研究了通过改变符号率及调制电平的方法实现的自适应调制系统。
In this paper, an adaptive modulation system controlled by changing the symbol rate and modulation level is proposed.
本文认为线性调制的信号由一个序列的未知符号盲符号率估计的问题。
This paper considers the problem of blind symbol rate estimation of signals linearly modulated by a sequence of unknown symbols.
研究内容主要包括：符号率估计、载波频偏估计、调制方式识别以及盲解调等。
The research contents mainly consist of symbol rate estimation, carrier frequency offset estimation, modulation recognition and blind demodulation.
文中部分符号如下：Fc为载波频率，Fd为符号率，Fs为信号采样频率。-。
Paper, some of the symbols is as follows: Fc is carrier frequency, Fd for the symbol rate, Fs is sampling frequency.
全文的主要内容如下：第二章研究了大符号率偏差情况下的辅助符号同步捕获方法。
The main contents of this dissertation are as follows: Chapter 2 investigates the symbol synchronization acquisition-aiding method with larger symbol rate offset.
估计并补偿频偏是为了实现载波同步，估计符号率和校正定时误差是为了实现码元同步。
Estimating and compensating carrier frequency offset are to achieve carrier frequency synchronization. Estimating symbol rate and correcting timing error are used to synchronize symbol.
在多输入多输出通信系统中，为了有效地降低系统的误符号率，提出了一种特征波束形成算法。
In MIMO communication systems, an eigen-beamforming algorithm which could reduce the symbol error rate effectively was proposed.
仿真表明，在频率选择性信道下误符号率较PN序列填充方案有0.4dB左右的性能改善。
Simulations show that the scheme gives a signal-to-noise ratio (SNR) improvement of about 0.4 dB over a frequency-selective fading channel compared with PN sequence padding.
可估计的载波频差范围是大的，约为符号率的，并且算法所需的计算负载非常低，适合数字硬件实现。
Its estimation range is large, about of the symbol rate, while the algorithm proposed requires a very low computational load and is very easy to implement with digital hardware.
在对两种多进制调制方式进行分析的基础上，分别给出了系统误符号率(SER)的表达式并进行了仿真比较。
Based on analyzing the two multiple modulation schemes, the expressions of symbol error rate (SER) are presented and the system performances are compared.
利用接收信噪比矩母函数和误符号率之间的关系，并且对复球体的球帽表面积做近似处理得到误符号率的下边界。
Exploiting the relation between MGF of the received signal-to-noise ratio (SNR) and SER, the lower bound of SER is obtained by utilizing the approximation of complex cap surface in this dissertation.
计算机的波特率是指每秒传输的符号数目。
The baud rate of the machine is the number of symbols per second transferred.
这两套基因组近乎一致，全部基因由大约30亿对遗传“符号”编写而成的，但两套基因组的仅有1.2％的差异率。
The two genomes are alike, differing by only 1.2% over the course of some 3 billion pairs of the genetic “letters” in which the language of genes is written.
把数据率减少一半，就能使每一符号间隔的持续时间延长一倍。
Reducing the data rate by one-half will double the duration of each symbol interval.
伪距观测值的多普勒改正的符号与伪距变化率的符号相同。
The symbol of Doppler correction for pseudo range observations is the same as that of the rate of pseudo range variation.
导通率控制和带符号变速积分PID软件比较新颖。
The software of the duty factor control and the variable speed integrating PID with symbol are newer.
刻划符号符合黄金分割率的构图，蕴涵了古代先民的美学思想。
The symbols'composition corresponding to the gold proportion, can not only reflect the esthetics thought of the ancients, but also contained enormous cultural values.
符号的大小归一化是数学表达式识别的一种很常见的预处理方法，它对于提高符号的识别率具有重要的意义。
The size normalization of notations is a common pretreatment method in mathematical expression recognition, and it has a great significance to enhance the efficiency of notation recognition.
残余应力的符号和大小在很大程度上取决于钢管在拔制工具中的初始变形率。
The magnitude and symbol of the residual stress greatly depends on the initial deformation rate of the pipe under drawing with the working tools.
因为耐用，折射率佳，所以水晶常被用作表达友谊深厚的符号。
Because the durability, refractive index, good, so the crystal is often used as symbolic expression of deep friendship.
本文的主要研究工作和成果包括：介绍了在采样率与数据符号不同步的情况下，采用插值对定时进行调整的基本原理。
The main research work of this thesis includes:we study the basic theory of timing adjustment by interpolation under the circumstance that sampling is not locked to the incoming data.
该算法的定时尺度曲线仅在正确定时点处出现一个尖峰，大大提高了分辨率，从而可以更加准确的进行符号同步。
The timing curve of this algorithm will present a spike pulse only at the right time, the resolution is greatly enhanced, so the symbol timing will be more accurate.
文中给出了AOFDM中的平均每个子载波上一个符号能传送的比特数及误比特率与调制方式切换门限之间的函数关系式。
The close forms of the number of bits that per-sub-carrier-symbol can transmit and the Bit-Error-Probability (ber) are given as the functions of the switching thresholds.
文中给出了AOFDM中的平均每个子载波上一个符号能传送的比特数及误比特率与调制方式切换门限之间的函数关系式。
The close forms of the number of bits that per-sub-carrier-symbol can transmit and the Bit-Error-Probability (ber) are given as the functions of the switching thresholds.
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