The application effect of the hyperspectral imaging system heavily relies on the signal to noise ratio.
高光谱成像系统的应用效果非常依赖仪器获取图像的信噪比。
Sampling resistance is both the signal to noise ratio to be good and avoiding to produce the oversized survey signal.
选择采样电阻，既要信噪比好，又要避免产生过大的测量信号。
Compared with the traditional de-nosing methods by threshold value and translation invariance, the algorithm increases the signal to noise ratio.
与传统的阈值去噪法和基于平移不变量的去噪算法相比，该算法提高了信噪比。
Results of the study show that the method can effectively weaken the noise which infiltrated in the signals, and therefore improve the signal to noise ratio.
研究表明，立方法可以有效地抑制信号中的随机噪声成分，从而提高信号的信噪比。
Furthermore, the evaluation criterion of reconstructed image and the Signal to Noise Ratio (SNR) of the system were discussed to analyze the experimental data.
最后，引入了图像质量评价标准和系统信噪比，分析对比了实验数据。
You're in conversation with one person but the signal to noise ratio is low, meaning his voice, the signal, is quiet relative to the ambient conversational noise.
你正在和一个人谈话，但是信号和噪音的比率低，也就是说，对方的声音(信号)，相对于周围的谈话声(噪音)是安静的。
The signal to noise ratio (SNR) of tumors, contrast to noise ratio (CNR) and signal intensity ratio (SIR) of tumors and normal liver were calculated and analyzed.
计算不同图像中肿瘤信噪比（SNR）、肿瘤与肝脏对比噪声比（CNR）及信号强度比（SIR）等数据，并进行统计学分析。
Comparing with impulse radar, this method can greatly improve the signal to noise ratio (SNR), the convergence speed is quick, and iterative times are less than 10.
与冲激雷达相比，这种方法能显著提高信噪比，并且这个方法的收敛速度快，一般迭代10次以内即达到稳定。
Shaanxi province drought months in recent years were analysed by examining the atmosphere general circulation features, drought index S and the signal to noise ratio.
从大气环流特征、干旱指数S及信噪比等三个方面对陕西省近几年干旱月份进行了分析。
The signal to noise ratio in the deep space communication channel is so low that high quality channel coding scheme is essential for deep space comnunication systems.
由于深空信道的极低的信噪比，具有高增益的信道编码技术是深空遥测系统必不可少的环节。
Based on the channel and detector characteristics of a submarine laser communication system, the output equation for the signal to noise ratio is derived and simplified.
根据激光对潜通信系统的信道特性和探测器特性，推导并简化了输出信噪比公式。
This letter mainly deals with the base of adaptive modulating technique: Channel estimation technology and the signal to noise ratio vs. error bit rate performance of MQAM.
本文主要研究自适应调制技术的基础：信道估计技术、MQAM信噪比误比特率性能。
Results of the study shows that this method can effectively weaken the random noise that infiltrated into mechanical signals, and therefore improve the signal to noise ratio.
研究表明，该方法可以有效地抑制信号中的随机噪声成分，从而提高信号的信噪比。
Obviously, the dynamic threshold is to use quasi-peak level that, while the signal to noise ratio is expressed with the quasi-average levels, and the difference is obvious in.
显见，动态阈是用准峰值电平表示，而信噪比则是用准平均值电平表示的，两者的区别是显而易见的了。
The effect of quantification noise, saturation noise and bit error noise of synthetic aperture radar(SAR)raw data on the signal to noise ratio of distributed targets is analyzed.
定量分析了星载合成孔径雷达（SAR）原始回波信号的量化噪声、饱和噪声以及误码噪声对面目标信噪比的影响；
It can be seen from the theoretical analysis that the signal to noise ratio in the output of the canceler will improve when the signal to noise ratio in the reference input drops.
通过理论分析可以看出，随着本艇自噪声有源抵消器参考输入端信噪比的降低，系统输出端信噪比升高。
However, in respect of a vibration acceleration signal, the signal to noise ratio (SNR) is often so small that the periodic impulse component is submersed in its intense background noises.
通常检测的机械振动加速度信号，由于信噪比太低，即使存在周期性的冲击分量也往往被淹没在强的背景噪声之中。
The reconnaissance distance of vehicular laser passive reconnaissance warning device was discussed in the paper. The signal to noise ratio and sensitivity of the laser detection were analyzed.
文章针对车载式激光告警器探测距离，分别对激光告警接受机的信噪比和灵敏度进行了分析计算，为系统设计和研制提供依据。
By using subspace disturbing analysis to investigate the statistical performance of the CSS, the relationship between the DOA estimation error and the signal to noise ratio (SNR) was presented.
应用子空间扰动分析研究了宽带CSS法的统计性能，得出了宽带CSS法方位估计误差随信噪比变化的关系。
Combining the concentration modulation spectroscopy with velocity modulation spectroscopy, the dependence of the signal to noise ratio on the modulation depth and various other factors are obtained.
将浓度调制光谱与速度调制光谱相结合得到了速度调制光谱调制度与各因素的关系。
The ratio of signal to noise (S/N) is greatly improved through the phase sensitivity detection.
通过相位灵敏度检测，大大提高了信噪比。
Stackingimproved the signal-to-noise ratio and enabled the researchers to moreclearly track the path and behaviour of each unique signal as it passedthrough the lunar interior.
叠加提高了信号的信噪比，使研究人员能够更清楚地跟踪每一个独特的信号在月球内部传播的路径和行为。
The new links are significantly faster, even when the signal-to-noise ratio is clearly worse.
新的连接相当地快，即使是在信号噪音比率相当糟糕的情况下。
In trying to record the brain's electrical activity off the scalp, he adds, "people assumed that the signal-to-noise ratio and the information content of these signals were limited."
在尝试记录头皮以下的大脑电活动时，他补充说，“人们想当然的认为信号的信噪比和这些信号的信息内容是有限的。”
The number of bits on each subchannel depends on the Signal-to-Noise Ratio of the subchannel .
每个子信道上的比特取决于该子信道的信噪比。
For MPSK signals, the signal-to-noise ratio (SNR) estimation can be directly transformed into the signal module estimation.
对于MPSK信号而言，信噪比的估计可以直接转化成对信号模的估计问题。
A method for reducing noise based on high-order spectra was presented by which the signal-to-noise ratio (SNR) could be improved significantly and the flaw characteristic information could stand out.
提出了基于高阶谱的减噪方法，能有效提高回波信号的信噪比，减弱检测噪声对于缺陷散射特征的影响，从而突出缺陷特征信息。
It was indicated that this method could significantly improve the signal-to-noise ratio (SNR) and efficiently filter the noise peaks, while the peak position and height remained unchanged.
仿真信号和冬虫夏草的毛细管电泳信号滤噪结果表明，该法在保持峰位与峰高不变的情况下可显著提高信噪比，有效滤除噪声峰。
This article provides the signal-to-noise ratio module of the range-gating photon counting system and discusses the synchronization between the laser echo wave and the detector gate.
本文给出了距离选通光子计数系统的信噪比模型并讨论了激光回波与探测器选通门之间的同步问题。
This article provides the signal-to-noise ratio module of the range-gating photon counting system and discusses the synchronization between the laser echo wave and the detector gate.
本文给出了距离选通光子计数系统的信噪比模型并讨论了激光回波与探测器选通门之间的同步问题。
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