Studies the function of wavelet transform (WT) that can effectively distill the transient characteristics of digital signals to estimate the symbol rate of PSK signals.
研究基于小波变换有效提取信号瞬变特性的功能，对数字调制移相键控(PSK)信号进行符号速率估计。
In this paper, an adaptive modulation system controlled by changing the symbol rate and modulation level 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。
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.
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。
This paper considers the problem of blind symbol rate estimation of signals linearly modulated by a sequence of unknown symbols.
本文阐述了未知符号序列经线性调制后，在接收端利用循环相关理论对符号速率进行盲估计的问题。
New search criterion is to minimize the symbol error rate based on OSIC detection.
新的搜索准则是最小化OSIC检测时的误符号率。
What symbol is used to denote the intrinsic rate of increase or biotic potential?
什么是用来表示固有的增长比例和生物的潜力的标志？
The magnitude and symbol of the residual stress greatly depends on the initial deformation rate of the pipe under drawing with the working tools.
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 symbol of Doppler correction for pseudo range observations is the same as that of the rate of pseudo range variation.
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 research contents mainly consist of symbol rate estimation, carrier frequency offset estimation, modulation recognition and blind demodulation.
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。
Estimating and compensating carrier frequency offset are to achieve carrier frequency synchronization. Estimating symbol rate and correcting timing error are used to synchronize symbol.
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。
A fast realization method of the cyclic correlation based symbol rate blind estimation is proposed.
提出一种基于循环相关符号率盲估计的快速实现方法。
Reducing the data rate by one-half will double the duration of each symbol interval.
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。
A new algorithm is proposed for symbol rate estimation of digital communication signals.
提出了一种数字通信信号码元速率的估计算法。
This paper considers the problem of blind symbol rate estimation of signals linearly modulated by a sequence of unknown symbols.
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。
The deposit and loan interest rate liberalization is not only an important part but also the symbol of the completion of the interest rate liberalization.
存贷款利率市场化是利率市场化的重要组成部分，也是利率市场化完成的标志。
This dissertation also does research on the application in estimation of communication signals' carrier offset and symbol rate with the parametric statistical method.
本文还研究了参数统计方法在估计通信信号的载波频偏和码元速率中的应用。
It can waken the multipath effect availably, eliminate symbol interference and fight against frequency select fading. Moreover, the channel utilization rate is high.
他能有效地对抗多径效应，消除符号间干扰，对抗频率选择性衰落，而且信道利用率高。
Based on analyzing the two multiple modulation schemes, the expressions of symbol error rate (SER) are presented and the system performances are compared.
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。
Simulation results show that the new detector has a lower packet detect error rate and a higher symbol timing precision compared with the existing schemes.
仿真结果表明，与已有的分组检测算法相比，新方法具有更低的分组检测错误概率，同时也改善了符号精定时的精度。
The rate of line loss is an important symbol of levels of operation management for the modern power supply corporate.
线损率是体现供电企业经营管理水平的一个重要标志。
In MIMO communication systems, an eigen-beamforming algorithm which could reduce the symbol error rate effectively was proposed.
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。
Inter symbol interference is regard of transporting the high rate data main obstacle in the wireless mobile channel.
码间干扰被认为是在移动无线通信信道中传输高速率数据时的主要障碍。
Paper, some of the symbols is as follows: Fc is carrier frequency, Fd for the symbol rate, Fs is sampling frequency.
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。-。
The nonlinear energy operator to the MPSK signals is extended to estimate its symbol rate.
针对MPSK通信信号的符号率估计问题进行了研究。
Timing acquisition is realized in symbol and frame rate and GLRT is derived under dense multipath channel, which is unrelated to the amplitude of the channel.
利用符号或帧速率来进行同步捕获，导出了与信道振幅无关的密集多径下同步捕获的广义似然比率测试(GLRT)，来估计出现在符号位的有效信号增益。
Theoretical analysis and practical signal processing justify the effectiveness of the new symbol rate estimation algorithm.
理论分析和实测信号处理证明了提出算法的有效性。
To estimate the parameters of PSK signals, the symbol rate estimation of PSK signals and the hardware implementation were researched.
针对相位编码（PSK）信号的参数估计问题，研究了PSK信号的码速率估计算法并将其硬件实现。
Orthogonal Frequnency Division Multiplexing(OFDM) is suitable for high rate data transmission in wireless channels because it can combat Inter-Symbol Interference and multipath fading efficiently.
正交频分复用（OFDM）技术具有很强的抗符号间干扰、抗多径衰落和时延的能力。并且保持较高的传输速率。
Orthogonal Frequnency Division Multiplexing(OFDM) is suitable for high rate data transmission in wireless channels because it can combat Inter-Symbol Interference and multipath fading efficiently.
正交频分复用（OFDM）技术具有很强的抗符号间干扰、抗多径衰落和时延的能力。并且保持较高的传输速率。
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