To overcome pulse noise influence to image quality, discrete dyadic wavelet transform (DDWT) is used to reduce the noise influence and improve signal to noise ratio (SNR).
为了克服噪声对超声检测成像质量的影响，利用离散二进制小波变换的分解重构算法来降低脉冲噪声的干扰，提高超声图像的信噪比。
A noise reduction algorithm used in speech signal processes which is referred to as LMS adaptive noise reduction, is also designed to reduce wide-band noise but improve signal to noise Ratio.
此外本文还设计一种语音信号自适应噪声消除算法，利用LMS自适应算法的特点抑制语音信号中的宽带噪声信号，提高信噪比。
The objective is not simply to improve image resolution or signal-to-noise ratio; rather, it is to improve outcomes for individual patients and society at large.
目标并不是简单的提高图形分辨率或是信噪比率；确切的说，是给每个患者和社会带来更大程度的帮助。
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。
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。
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。
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。
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。
Conventional methods which stimulate seismic records cannot increase frequency components and improve signal-to-noise ratio at the same time.
常规方法产生的地震记录难以在提高记录频率成分的同时提高记录的信噪比。
The results show that while introducing smart antenna technology in wireless telemetry systems, it can efficiently raise signal-to-noise ratio and improve bit error rate performance of the system.
结果表明，在无线遥测系统中采用智能天线技术，能够有效地提高系统的信噪比，改善系统的误码性能。
To improve the Signal-to-noise Ratio(SNR) and detecting probability of small target in infrared image sequences, a novel method of target detection based on spatial-temporal filtering is proposed.
为了提高红外图像序列中弱小目标的信噪比和检测概率，同时考虑检测算法实时性，提出了一种新的基于空时域滤波的小目标检测方法。
The experiment results show the image compression scheme can improve the recovery image quality and peak signal-to-noise ratio(PSNR).
实验结果表明：该算法有较好的重构图像主观质量和较高的峰值信噪比（PSNR）。
To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance(SR)in a bistable model is investigated by using a frequency scale transformation method.
为了改善低信噪比下波束形成的性能，从双稳态随机共振模型出发，提出了利用频率尺度变换，将随机共振和波束形成结合起来的算法。
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。
It is necessary to remove coherent noises and random noises in seismic data processing to improve the signal-to-noise ratio.
要提高地震资料的信噪比，需要去除地震资料中的随机噪声和相干噪声。
It is necessary to remove coherent noises and random noises in seismic data processing in order to improve the signal-to-noise ratio.
要提高地震资料的信噪比，需要消除地震资料中的随机噪声和相干噪声。
In the receiving system, the narrow-band interference filter is introduced in order to reduce the background light, increase the signal transmission rate, and improve the signal-to-noise ratio.
在接收系统中，引进窄带干涉滤光片，减少背景光的干扰，增加信号光透射率，改善信噪比。
The results show, spectral filtering technology is an effective way to improve signal-to-noise ratio.
研究结果表明：光谱滤波技术能有效提高信噪比。
Synthesis and integration can improve the signal-to-noise ratio (SNR) of output signal, thus increasing the signal detection probability and extending the radar range.
合成与积累可以提高输出信号的信噪比，从而增大信号检测概率，增加雷达的作用距离。
So, complex programmable logic device can improve the system's high-frequency performance and signal to noise ratio.
结论采用复杂可编程逻辑器件替代通用数字集成器件，可提高系统的高频率特性，并提高信号源的信噪比。
The invention can optimize the excitation well depth design, enhance the signal-to-noise ratio of the earthquake collecting single-shot record, and greatly improve the information quality.
本发明能够优化激发井深设计，提高地震采集单炮记录信噪比，较大程度提高资料品质。
By stacking the wave signals in processing the data, it has been possible to improve the signal-to-noise ratio.
通过对信号波形的迭加处理，达到改善信噪比的目的。
It is proved that this optimized method can effectively improve processing speed with slight Signal to Noise Ratio (SNR) decrease.
实验结果证明，优化后的方法在信噪比性能下降较小的情况下能够获有效地提升计算速率。
Experimental results showed that the algorithm could not only keep edge information of image, but also could improve signal-to-noise ratio of an image.
实验结果表明，谊方法不但可以保持图像的边缘信息，而且能够提高去噪后图像的信噪比。
To increase the accumulated charges in CCD and multiframe superposition can improve signal noise ratio. Digital image processing …
采用增加CCD内的累积电荷量和多帧叠加可以提高信噪比；
To increase the accumulated charges in CCD and multiframe superposition can improve signal noise ratio. Digital image processing …
采用增加CCD内的累积电荷量和多帧叠加可以提高信噪比；
应用推荐