您要查找的是不是：
- Flow noise is one of main self noise which has an importan effect on the signal to noise rate of towed linear sonar. 流噪声是影响拖曳线列阵声纳信噪比的一种主要自噪声。
- blind signal to noise rate estimation 盲信噪比估计
- Signal to Noise Rate 信噪比
- 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；
- It is shown that the average recognition success rate is over 98% at the signal to noise ration beyond 5dB. 在信噪比达到5dB 以上时,识别正确率达到 98%25。
- 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。
- 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
- During the BPSE process, a high-speed special mode frame is sent, bit error rate (BER) is fed back to the sender, as well as signal to noise (SNR) and BERs for each rate are obtained by looking up the empirical BER/SNR curve. 其中，BPSE先通过发送高速特征序列串来测量比特误码率(Bit ErrorRate)，然后根据BER/SNR(Signal to Noise Ratio)经验曲线，查表得出当前信道的SNR以及当前SNR下各个速率的BER。
- Based on the model, the effects on communication channel caused by signal to noise and the impairment of human tissues were analyzed. 重点分析了信噪比和由于人体组织吸收所产生的损耗对通信性能的影响。
- In decomposed eigen subspace, by means of eigen extraction, noise is eliminated and signal to noise (s/n) ratio enhanced. 在分解后的特征子空间中进行特征提取来消除相干和随机噪声，提高地震记录的信噪比。
- 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。
- 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。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- 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；
- Comparison of RLS algorithm and LMS algorithm for different signal to noise ratio in the case of the learning curve. 比较RLS算法和LMS算法在不同信噪比情况下的学习曲线。
- The results showed that signal to noise ration (S/N), detection limit and linear range had great improvement. 用此方法对酚类定量分析,信噪比、检测限和线性范围均有较大的改善。
- A digital lockin amplifier including signal channel,reference channel and correlator is designed,and the improvement of signal to noise is analyzed. 以此为依据,设计了数字锁相放大器,其中包括信号通道、参考通道以及相关器的设计,并分析了采用相关检测的信噪比改善,作了相应的实验。
- A simulation indicates that the Laplacian assumption of coefficients yields a higher actual output signal to noise ratio than the Gaussian assumption. 模拟结果显示 ,假设高频部分符合拉普拉斯分布可获得比高斯分布假设更高的恢复图像信噪比。
- The requirements for external vibration is put forward by means of signal to noise ratio of dynamic balance measuring system. 根据动平衡测试系统信噪比对外界振动提出了要求。
