接收信噪比较大时，平均信道容量上下限基本接近其实际值。
And at high SNR, the upper and lower bounds on the ergodic capacity are close to its true value.
脉冲展宽特性是激光回波的重要特性，其影响到回波接收信噪比和测距精度。
As an important feature, the characteristics of echo stretching affects SNR of received laser echo signal and ranging accuracy.
该算法能够根据接收信噪比的不同情况选择最佳的分组类型进行传输，给出了进行分组类型切换的信噪比门限值。
This algorithm can choose the optimal packet type for data transmission according to average received SNR, and the threshold values for switching packet type were given.
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.
传统的能量检测在接收信号为高斯分布下最优，其检测性能最终取决于信噪比。
The detection performance relies finally on Signal Noise Ratio (SNR) in the traditional energy based detection technology.
它基于接收信号的二阶统计量，并用长时积分以弥补信噪比低的问题。
The proposed algorithm is based on second order moment, and the problem of low SNR is compensated by long time integral.
针对直接序列扩频信号工作中信噪比较低的特点，提出了一种通过求解接收信号相关矩阵的特征值来估计信号信噪比的方法。
In consideration of the low signal-noise-ratio (SNR) of DSSS signals, a method of estimating the SNR was given by resolving the eigenvalue of the received signal correlation matrix.
分析了在相同数据和随机数据扩频调制条件下接收信号信噪比估计的计算方法，并对于有频差情况下的计算方法进行了说明。
The two cases of pilot modulated data and random modulated data were theoretically analyzed, and the calculating method was also presented when the frequency offset existed.
分析了在相同数据和随机数据扩频调制条件下接收信号信噪比估计的计算方法，并对于有频差情况下的计算方法进行了说明。
The two cases of pilot modulated data and random modulated data were theoretically analyzed, and the calculating method was also presented when the frequency offset existed.
应用推荐