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SNR Signal to Noise Ratio 信号噪声比
Methods of estimating baud rate, Signal to Noise Ratio (SNR) and reference phase are investigated. 研究了自适应调制中波特率，信噪比和载波相位等参数的估计算法；
Signal to Noise Ratio (SNR): The ratio of the signal to the random noise in a set of data. 信噪比：平均到一个数据单元的信号与随机噪声的比值。
The pulsar signal is a kind of typical nonstationary random signal which SNR (Signal to Noise Ratio) is very low. 摘要脉冲星信号是一种典型的非平稳信号，且信噪比非常小。
In low Signal to Noise Ratio (SNR) range, the close-form expression of the optimal BFV is derived. 在低信噪比区域，求出了最优波束成形向量的闭合解；
Objective To design a new type of RF endorectal coil so as to increase signal to noise ratio (SNR) and improve the efficiency of MRI diagnosis. 摘要目的：设计一种新型的经直肠的射频线圈，以增加前列腺图像的信噪比，提高磁共振诊断的效率。
The paper analyses the signal processing with emphasis on Signal to Noise Ratio (SNR) in output of correlator and SNR in signal power spectral density. 并对算法处理中相关器输出中的信噪比（SNR）和功率谱密度中的SNR进行了重点分析。
The self-adaptively selected normalized value can produce the minimal error of TOA estimation with a different signal to noise ratio(SNR). 在不同的信噪比下;自适应地选择归一化值;能使TOA的估计误差最小.
Objective To design a new type of RF endorectal coil so as to increase signal to noise ratio(SNR) and improve the efficiency of MRI diagnosis. 目的:设计一种新型的经直肠的射频线圈,以增加前列腺图像的信噪比,提高磁共振诊断的效率。
WT5”,6BZ]:In this paper,we present the analysis the influence of the factors on the backscattered pulse power,signal to noise ratio (SNR) and ranging accuracy. 本文分析了扫描角度和航高对机载激光雷达的回波功率、信噪比和测距精度的影响。
The results show that the ECG de-noising signal by the method based on the ECG template has the better smoothness and higher Signal to Noise Ratio（SNR）. 最后将该方法与基于小波软、硬阈值去噪方法进行了对比，结果显示所得信号波形平滑度更好、信噪比更高。
Input signal autorange for optimum signal to noise ratio. 自动输入信号调控,以获得最佳信号与噪音的比。
Numerical results show that for the data with either high or low signal to noise ratio (SNR), inversion solution depends weakly on regularization operators, while strongly upon regularization parameter. 模拟表明，无论是高信噪比数据，还是低信噪比数据，反演的含水量在小正则化参数时，对模型约束的依赖性不大，主要受正则化参数影响。
The moving average length of channel estimator and the pilot to data channel power ratio are optimized analytically under the criterion of minimum bit error probability (BEP) for given signal to noise ratio (SNR). 根据给定信噪比下误码概率最小的准则 ,本文得到了理论上信道估计器最佳的平均长度和导频信道相对数据信道最优的功率比
It is showed that the optimal mode number was associated with the signal to noise ratio (SNR), and the Hartmann sensor was suffered from measurement noise severely in the condition of weak turbulence. 分析了一个哈特曼传感器对实际大气湍流畸变波前的测量结果,给出了确定传感器测量噪声的方法。
Bits transmitted by every subchannel are determined by its value of Signal to Noise Ratio(SNR), and the unwanted power caused by noise is distributed to every subchannel, so their damage is weakened. 它根据各个子信道信噪比的情况确定其传送比特数，由噪声引起的干扰功率被分散到各个子信道中，降低了其引起的干扰。
It is showed that the optimal mode number was associated to the signal to noise ratio (SNR), and the Hartmann sensor was suffered from measurement noise severely in the condition of weak turbulence. 分析了一个哈特曼传感器对实际大气湍流畸变波前的测量结果，给出了确定传感器测量噪声的方法。
S/N (signal to noise ratio) is low about from 1.315 to 1.668 (average S/N). 信噪比很低，估算平均信噪比在1.;315一1
The signal to noise ratio (SNR) of ultrasonic pulse-echo nondestructive testing was usually low because of the disturbance from electronic and structural noises. 在脉冲式超声无损检测中，超声脉冲反射回波信号常受到电子噪声和结构噪声的干扰，信噪比往往较低。
State of the art fiber optic components deliver high signal to noise ratio and long-term stability. 光缆联接的光路保证了系统的柔和性以及高信噪比和长时间工作稳定性。