The utmost high value of signal noise ratio can significantly improve the image quality.
最大限度地提高信噪比能有效地改善图像质量。
GPS positioning accuracy is influenced by Geometric Dilution of Precision (GDOP), Signal Noise Ratio (SNR) and so on.
几何精度衰减因子gdop和卫星信噪比SNR等多方面因素的影响,增大了GPS单点定位误差。
Raw thermal images acquired by pulsed thermography(PT) usually have low signal noise ratio(SNR) and temperature contrast.
脉冲热像检测中直接获取的原始热像往往信噪比较低、对比度较差。
The detection performance relies finally on Signal Noise Ratio (SNR) in the traditional energy based detection technology.
传统的能量检测在接收信号为高斯分布下最优,其检测性能最终取决于信噪比。
The method can effectively reduce noise interference of the detecting circuit and increase signal noise ratio of the output signal.
该方法可有效地降低检测电路的噪声干扰,提高输出信号的信噪比。
Low resolution and low signal noise ratio are big obstacles in the way of increasing the accuracy and level of deep strata exploration.
深层地震反射资料分辨率、信噪比低是制约进一步提高深层勘探精度,加大深层勘探力度的重要因素。
Under the impact of a large hammer, a high signal noise ratio of the force and velocity can be acquired in the high-strain dynamic testing.
高应变动力试桩法采用数吨重锤锤击,同时实测了桩顶的力信号和速度信号,具有很高的信噪比。
During the clinical study of different scanning MRI techniques, it is necessary to evaluate the image quality by measuring the signal noise ratio.
在临床上研究不同的MRI扫描技术时,必须要用信噪比这个参数来对图像的成像质量进行评价。
Deconvolution is a necessary means of improving seismic resolution in data processing, but in the same time it can decrease the signal noise ratio.
在地震数据处理中,反褶积是用来提高分辨率的必要手段,但同时往往会降低资料的信噪比。
By this filter, the shift, scale and rotation invariant optical pattern recognition was realized with a high signal noise ratio of correlation output.
用这种滤波器实现了平移、旋转、尺度三重不变光学图像识别,且有较高的信噪比。
The holographic volume gratings and reflection holograms having high diffraction efficiencies and signal noise ratio are also fabricated in experiment.
实验中制作出了高衍射效率和信噪比的体积全息光栅和反射全息图。
In order to improve the signal noise ratio and the precision of the analysis, a "two-level sifting" is processed in recording and analyzing VLP by HOLTER.
为了提高晚电位分析结果的精确度,提高信号噪声比,在HOLTER记录和分析时,采用了“二级筛选”的设计方法。
Finding out the major concentrated frequency band of tool-wear information can enhance SNR (Signal Noise Ratio) and improve tool-wear degree recognition result.
找出刀具磨损信息在可听阈内的主要集中频段能提高切削声信号的信噪比,改善识别结果。
Enhancing of the receiver field of view can effectively improve the signal noise ratio for communication systems operating in the solar-blind ultraviolet (UV) spectral region.
对于工作在日盲紫外光谱区的非视线通信系统,增加接收视场可以有效地增大系统的信噪比。
The coherent noise of single mode fiber is restrained by the amplification effect of anti Stokes Raman backscattering, and the signal noise ratio of sensor system is improved.
反斯托克斯·拉曼背向自发散射的放大效应抑制了单模光纤中的相干噪声,改善了系统的信噪比。
In addition, the using condition of correlation detector and the relationship between the normalized correlation detector and SNR (signal noise ratio) are discussed in this paper.
此外,还讨论了归一化相关检测器与信噪比的关系以及相关性检测器的应用条件。
The targets SNR(Signal Noise Ratio)and contrast are very low when the target is in the sea background in which there are sea waves and the reflexing light from the stretch welter.
海面背景下海面及连绵起伏的波浪反光使图像的信噪比和对比度都较低,而且舰船目标像素较少。
Theoretical analysis and the results of simulation show that coherent accumulation can improve UWB radar target recognition probability in the condition of low signal noise ratio.
理论分析和计算机仿真结果均表明,在低信噪比的情况下,相参积累方法可以提高UWB雷达的目标识别概率。
UST real time signal process system is called signal extraction system. It can increase signal noise ratio through synchronization and average and limited pulse response filtering.
称为信号析取系统的超声波检验实时信号处理系统,它通过同步平均和有限脉冲响应滤波能够提高信噪比。
Experiment results show that in low bit rate environment, the new image compression scheme performs better than JPEG in the aspects of perception and PSNR (Peak Signal Noise Ratio).
实验结果表明该算法在低码率下,相比jpeg,获得了在视觉效果和峰值信噪比方面更好的恢复图像质量。
Compared with traditional block matching tracking arithmetic, it overcomes some disadvantages, such as a mass of operation, inaccurate matching in the low SNR (Signal Noise ratio) image.
该算法与基本块匹配跟踪算法相比,克服了原算法运算量大,信噪比较低时匹配不准确等缺点。
In accordance with the features of low resolution, short processing time and low signal noise ratio of the high frame TV pixels, authors investigated its locating and tracking algorithm.
针对高帧频电视象元分辨率低、处理时间短、信噪比低的特点,对其定位跟踪算法进行了研究。
By exploring the phase information among symbols of the Direct Sequence Spread Spectrum (DS-SS) signal, a novel de-noising approach, used in low signal noise ratio environment, is presented.
利用DS -SS信号符号间相位信息,提出了一种可工作于低信噪比下的直接序列扩谱(DS - SS)信号噪声抑制方法。
The performance of non-regenerative relaying is superior to that of regenerative relaying at low average signal noise ratio (SNR), but the performance of the both is similar at high average SNR.
比较了非再生中继性能在低信噪比时优于再生中继,在高信噪比时两者性能相似。
The paper analyses the energy and signal noise ratio (SNR) with grating to measure passive laser wavelength in real time, provides the theoretical basis for measurement and error from the method.
从理论上分析了利用光栅实时测量被动入射激光波长的能量分布及信噪比,给出了计算公式及误差分析。
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。
CLIA using acridinium ester derivatives as chemiluminescent label has advantages of low background and high signal-to-noise ratio.
以吖啶酯衍生物为发光标记物的CLIA的特点是:自然本底低和信噪比高。
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。
Our voice activity detection method is simple to be implemented and calculated and has high accuracy, which can work in the real time digital communication network with better signal-noise-ratio.
基于频谱特征的语音激活检测方法易于实现,计算量小且准确率高,适合较高信噪比的实时数字通信网络中。
Our voice activity detection method is simple to be implemented and calculated and has high accuracy, which can work in the real time digital communication network with better signal-noise-ratio.
基于频谱特征的语音激活检测方法易于实现,计算量小且准确率高,适合较高信噪比的实时数字通信网络中。
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