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。
According to the imaging difference of target, background clutter and noise, a moving small target detection method based on spacial high-pass filtering and N-frame track accumulating is presented.
根据目标、背景干扰和噪声在红外序列图像中的差异，提出了一种基于空间高通滤波和时间域上N帧轨迹积累的运动小目标检测方法。
The result shows that the S/N ratio can be raised and the seismic noise suppressed with nonintegerorder calculus.
初步分析表明，借助非整数阶微积分来改变地震数据的分维值、压制地震噪声是可能的。
This paper analyses the characteristics of noise and presents the mernod of promoting S/N by inserting a band-pass pre-filter, which can reduce the Pe in data communication under small signal.
通过对噪声特性的分析，提出了用前置带通滤波器来提高信噪比的方法，改善微弱信号时数据通信的效果。
When averaging the outputs of classic voltage amplifiers, you can reduce the noise to a fraction of 1/ by using N amplifiers and three times as many resistors (Reference 2).
当平均经典电压放大器的输出时，通过使用N个放大器和三倍电阻减少噪声到1/ （参考文献2）。
We have improved fringe search method for processing VLBI data at low signal-noise ratio (S/N).
为了处理低信噪比（S/N）的VLBI观测数据，我们对现有的条纹搜索方法做了改进。
The optical modulation characteristics, differential gain (DG), differential phase (DP) and signal-to-noise ratio (S/N) are described as well in this paper.
文中论述了光调制特性、微分增益（DG）、微分相位（DP）、信噪比（S/N）等重要问题。
Stacking is one of three key technology of the seismic data processing, whose goal is to suppress random noises, enhance the data signal-to-noise ratio (S/N).
叠加是地震处理的主要技术之一，主要的目的是为了提高地震信噪比、压制随机的干扰。
Stacking is one of three key technology of the seismic data processing, whose goal is to suppress random noises, enhance the data signal-to-noise ratio (S/N).
叠加是地震处理的主要技术之一，主要的目的是为了提高地震信噪比、压制随机的干扰。
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