A correction factor is obtained by making the peak noise FFT / IFFT transformation,and then it is subtracted by the original OFDM signal to the amended one.
该模型直接选取高于门限值的峰值作为峰值噪声,然后通过FFT/IFFT变换得到校正因子,与原信号相减得到修正后的信号。
To evaluate its efficiency in accounting for the Gaussian noise,the PSNR and MSSIM metrics were used for the first time.
采用峰值信噪比(PSNR)和结构相似性(MSSIM)参数来定量地评估本滤波器消除高斯噪声的性能。
The variable relationship between the threshold of the extrapolation and its correspondent Peak of the Signal-to-Noise Ratio (PSNR) in the Wavelet Bi-linear Interpolation Algorithm is deeply analyzed.
分析了小波双线性插值中高频外推阈值门限与重建图像峰值信噪比的变化关系,提出了峰值信噪比最大小波双线性插值迭代算法。
The paper analyzed the greatly used assessment PSNR ,points out some of its misuses and introduces some new research statements.
本文分析了常用的图象评价指标峰值信噪比(PSNR)的优缺点,指出了一些学者在使用PSNR时的错误,并介绍了图象质量评价技术的最新研究进展状况,指出了图象质量评价研究的新的发展方向,对图象质量评价的研究有一定的理论意义和实用价值。
The experiment results indicates that the algorithm can improve the PSNR and reduce the encoding time.
实验结果表明：本算法能有效提高峰值信噪比和减少编码时间，提高了压缩效率。
Adaptive Time-Frequency Peak Filtering and Its Application on Noise Attenuation for Seismic Data
基于自适应时频峰值滤波的地震信号去噪研究
series noise-peak limiter
串联噪声峰值限幅器
The Influence of Maximal Values and Peak Enhancement Values of Arterial and Venous Enhancement Curves on CT Mean Perfusion Parameter Values and Signal-to-Noise Ratio;
动静脉增强曲线最高值及增强峰值对CT灌注参数及其信/噪比的影响
The spectrum level of microseismic noise tends to peak at about 1/6 Hz.
微震的噪声谱在1／6赫趋于峰值。
pulse improvement threshold
脉冲信噪比改善阈值
noise equivalent
噪声的等值信号，噪声当量
Method of Using Peak Signal to Reduce Peak Average Power Ratio of OFDM System
一种利用峰值信号降低OFDM系统峰均比的方法
Fast Thresholding Segmentation Method Based on Peak Clustering Tendency Test for Noisy Image
基于峰值聚类趋势检验的含噪声图像快速阈值分割方法
De-noising method for electrocardiograph of non-uniform noise distribution based on singular value decomposition and wavelet transform
非均匀噪声分布心电信号的奇异值小波消噪法
Application of Walelet Threshold Denosing on MEMS Gyro
小波阈值去噪法在MEMS陀螺仪信号降噪中的应用
Time-frequency Peak Filtering De-noise Technique and Its Application in Seismic Exploration;
时频峰值滤波随机噪声消减技术及其在地震勘探中的应用
Time-Frequency Peak Filtering and Its Application on Noise Attenuation for Seismic Reconnoitered Data;
基于时频峰值滤波的勘探地震资料消噪方法的研究
Time-frequency Peak Filtering and Its Application on Random Noise Attenuation for Seismic Exploration Data;
时频峰值滤波在地震勘探资料中随机噪声压制的研究
peak white limiter
“白色”信号峰值电平限制器
Study on the PAPR of OFDM in Power Line Communication;
电力线OFDM通信中的峰均值比压缩研究
Peak recognition technology based on linear-interpolation rebuilding method of echo signal
基于回波信号插值重建的峰值判别技术
Denoising Time-Domain Quadrupole Nuclear Resonance Signals of Ammonium Nitrate Using Wavelet Transform
基于小波阀值消噪的硝铵NQR信号处理