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。
Outstanding S/N ratio is achieved, providing clean audio in SSB , AM and FM.
优秀的S /N比，是实现，提供清洁的音频，办学团体，AM和。
The signal average method was used in order to increase the S/N ratio, and the optimum sweep time and average times were experimentally determined.
为了提高信噪比，采用了信号平均技术，并通过实验确定了最佳采样时间和平均次数。
The state space reconstruction of chaotic signals having low S/N ratio was investigated by means of Singular System Analysis (SSA).
利用奇异系统分析方法研究了低信噪比混沌信号的相空间重构。
Analysis of the results suggest that poststack depth migration has more advantages in improving S/N ratio, resolution and image effect than poststack time migration and prestack time migration.
对比分析了叠前深度偏移、叠后时间偏移和叠前时间偏移结果，分析表明，叠前深度偏移技术能较好地改善该区复杂构造的成像质量，提高资料的信噪比和分辨率。
The consumption of caustic soda is mainly caused by formation of sodium hydrate aluminosilicate and it can be calculated from the ratio of N/S of red mud.
拜耳法生产氧化铝的过程中，碱耗的主要原因是因为有钠硅渣的生成，碱耗可以用赤泥钠硅比（N/S）表征。
The mass ratio of F190 to its companion is about 5, which means that it is difficult to obtain the information of the companion except for a very high S/N.
F190与其伴星的质量比在5左右，因此，除非有非常高的信噪比，否则我们很难探测到来自伴星的信息。
This may be considered as a new method for enhancement of the ratio S/N…
可以认为这是对光谱图提高信杂比的一种新方法。
The processed profiles have high S/N ratio and clear seismic wave group feature, so meet the structural interpretation demand.
最终处理剖面信噪比较高，地震波组特征明显，满足了该区构造解释的需要。
The method was used in the complex area where the S/N ratio was poor and reflection residual static corrections were difficult to achieve success, which obtained good processing results.
将该方法应用于信噪比较低、反射波剩余静校正方法难以奏效的复杂地表区，获得良好处理效果。
Based on average S/N ratio of each sub band, the mobile station feeds back the word of data rate control (DRC) obtained by looking up the table.
系统采用闭环反馈方法，移动台根据每个子带的平均信噪比查表得到数据速率控制字DRC进行反馈；
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 problem above can be resolved by the blind synchronization algorithm. The theoretic analysis and experimental results show that the approach can work well on the lower S/N ratio input signals.
理论分析及计算机仿真结果表明，该算法在低信噪比条件下可实现DS/SS信号的盲同步及PN码序列的精确估计。
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。
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。
The velocity error is minor, tends to stable and has small influence on the velocity precision when the S/N ratio is greater than limit value;
当信噪比高于界限值时，速度误差较小且趋于稳定，对速度精度影响较小；
The combination of a N-S equation flow solver with a nonlinear optimization method is used to design a new airfoil with high ratio of lift over drag.
使用解析形状函数法和参数化翼型表示方法，将求解绕翼型流场的N S方程解与优化方法相结合，可设计出新的高升阻比翼型。
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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