signal-to-noise
英 [ˈsɪɡnəl tu nɔɪz]
美 [ˈsɪɡnəl tu nɔɪz]
网络 信噪比; 信号噪声比; 讯号对杂讯; 结果的信噪比; 讯号杂讯比
双语例句
- Signal-to-noise ratio of cylinder head vibration signal was enhanced by using wavelet's soft threshold value de-noising method.
用小波软阈值降噪的方法提高了柴油机缸盖振动信号的信噪比。 - For example, signal-to-noise ( SNR) performance degrades as a result of reduced signal swing.
例如，信噪比（NR）于信号摆幅的减少而降低。 - At the same time, we combine the dynamic filter technique which chose different passband with different depth to hold the high signal-to-noise ratio.
同时融入动态滤波技术，根据不同深度选择了不同的通带范围，有效地保证了信号的信噪比。 - Quantitative image analysis involved calculation of signal-to-noise ratio, contrast-to-noise ratio and relative contrast.
分别测量半月板、肌肉、脂肪和骨骼的信噪比、对比噪声比和相对对比度，进行定量分析。 - Comparative Study on Continuous and Discrete Wavelet Transform for Low Signal-to-noise Ratio Signal
低信噪比信号的连续与离散小波变换比较研究 - The photometric signal-to-noise ratio is roughly proportional to the square root of the signal intensity.
光度计的信噪比与信号强度的平方根粗略成比例。 - Experiments prove that the new method improve signal-to-noise ratios of the denoised results and well reserve the singularities of the original signal.
仿真试验表明，该方法提高了降噪结果的信噪比，且较好地保留了信号中的奇异性。 - LS algorithm and DFT-based algorithm were studied and signal-to-noise estimation algorithms in AWGN channel were introduced to SC-FDE systems.
研究了LS算法及其DFT改进算法，并将高斯白噪声信道中的信噪比估计方法引入到单载波频域均衡系统中。 - The relation of precision improving with signal-to-noise ratio is exponential function.
反之补偿就小.而且定标精度与信噪比是指数函数关系。 - Noise, an important factor which impact on the performance of ultrasonic online testing system, has a direct influence on the signal-to-noise ratio's level of ultrasonic signal acquisition.
噪声是影响超声在线检测系统性能的一个重要因素，对超声采集信号信噪比的高低有直接影响。 - Experimental results show that the algorithm outperforms the traditional one on both visual quality and Peak Signal-to-Noise Ratio ( PSNR).
实验结果表明，该算法在主观视觉质量和客观峰值信噪比（PSNR）上都优于传统方法。 - A method to classify neural spikes under low signal-to-noise ratio was investigated by using artificial neural networks and template-matching.
基于人工神经网络和模板匹配，提出了对低信噪比神经元信号分类的方法。 - To im-prove image quality and advance signal-to-noise, it mostly adopts the arithmetic of average frames.
为了改善图像质量，提高信噪比，多采用多帧平均的算法。 - In order to evaluate results of pretreatment, two definitions of signal-to-noise ratio and background suppression factor were given.
为了评价预处理结果，定义了两个评价参数&信噪比和背景抑制因子。 - In addition, each pixel has its own amplifier for highest possible signal-to-noise ratio.
此外，每个像素都有自己的放大器最高信号的信噪比。 - Low Signal-to-Noise Ratio Radar Detection Based on DSP and FPGA Technology
基于DSP和FPGA技术的低信噪比雷达信号检测 - Stochastic resonance occurs in a certain case due to the co-operation of the system, signal and noise; and it is demonstrated by the signal gain and the signal-to-noise ratio gain in a certain noise.
在一定条件下，由于系统、信号和噪声的协同作用而产生随机共振现象，并通过某一噪声强度下的信号增益及信噪比增益表现出来。 - The experimental results show that the proposed denoising method can achieve high Peak Signal-to-Noise Ratio ( PSNR).
实验表明该方法能取得较高的信噪比，并能保存图像的一些细节信息。 - The influence of Signal-to-noise Ratio ( SNR) of low-resolution images and registration error among them on the super-reconstruction of images is the bottle-neck in the field of remote sensing.
低分辨率图像的信噪比（SNR）和图像之间的配准误差对超分辨率重构效果的影响是该技术应用在遥感领域的瓶颈。 - The results also show that significant performances the estimator in extreme low signal-to-noise ratio can be obtained.
同时该结果也显示在低信噪比下的估计器的卓越性能。 - High signal-to-noise ratio have important meaning in the ultra-short laser interacting with material.
高信噪比在超短脉冲强激光与物质相互作用中有重要意义。 - Signal-to-noise ratio ( SNR) is one of the key parameters to quantitatively evaluate the image quality and radiometric performance of an imaging spectrometer.
信噪比是定量评价成像光谱仪成像质量和辐射性能的的一项重要指标，信噪比的估算和测量对成像光谱仪的研制至关重要。 - QPSK the additive white Gaussian noise environment, and the signal-to-noise ratio of the simulation.
QPSK在加性高斯白噪声环境下，信噪比和误码率的仿真。 - Signal-to-Noise Deterioration Analysis of Spread Spectrum Signal in Nonlinear Systems
扩频信号通过非线性系统信噪比恶化分析 - 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。 - For infrared image with the characteristics of low contrast and low signal-to-noise, a infrared image enhancement method based on Wavelet Transform and Lateral Inhibition Network is presented.
针对红外图像存在的对比度差、信噪比低等问题，提出了一种基于小波和侧抑制网络的红外图像对比度增强算法。 - It is concluded that at low frequencies there is more deviation if signal-to-noise ratio is low or the reverberation time is short.
结果表明，不同的数据处理方法在低频段、信噪比较小以及混响时间较短的情况下对声学参量的影响较大； - All analysis and conclusions build on monopulse radar and high signal-to-noise ratio hypothesis.
所有结论及分析都是在高信噪比假设下针对单脉冲测角体制而言的。