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- weighted power spectral subtraction 加权功率谱减法
- power spectral subtraction 功率谱减法
- An approach to speech-sound enhancement is proposed based on the spectral subtraction. 摘要提出了一种基于谱减法的语音增强算法。
- A method based on fractional spectral subtraction for speech enhancement (FSS) is proposed. 该文提出了基于分数阶谱相减的语音增强法(FSS)。
- First, VAD is done to noisy speech, then spectral subtraction based on the perceptual mask threshold follows to achieve noise reduction. 这种新算法源于VAD技术及谱减法,它先对含噪声信号进行VAD处理,而后是基于感知掩蔽阈值的谱减法运算,降低噪声,获得清晰的增强信号。
- Firstly,this method performs multi-band spectral subtraction,and then based on the acoustical masking characteristics of human auditory system a processing of weight to feeling... 仿真结果表明,该方法在较好地抑制背景噪声和残留音乐噪声的同时,保持了较好的语音可懂度。
- In this paper, we propose a new approach based on spectral entropy and spectral subtraction for noisy speech endpoint detection, and discriminative rules with robustness. 本文提出了基于谱熵和谱减法相结合的带噪语音端点检测改进算法以及端点检测的判决准则。
- Methods:Sixtyfour patients in cognition function were studied by BEAM and CT,with the power spectral analysis. 方法 :应用脑电地形图(BEAM)和计算机断层扫描(CT) ,通过对64例AICA患者认知功能进行评估。
- A self-adaptive feature extraction method based on power spectral centroid is proposed. 摘要提出一种基于功率谱重心的自适应特征信息提取方法。
- We analyse statistics properties of ground clutters and study AR model of correlated clutters power spectral density. 分析了地杂波统计特性，研究了相关雷达杂波功率谱特性的AR模型及其模拟方法。
- In this paper, a new spectral subtraction method is presented, which breaks the assumption that the noise is Gaussian distribution with mean 0 in the original spectral subtraction method. 本文针对谱减法中关于噪声是零均值的高斯分布的假设,提出了一种可以打破这一假设的改进谱减算法。
- FFT power spectral patterns can extract the periodic characteristics so that they can be compared,identified and classified quantitatively. 因此，木材解剖特征FFT图谱的研究对于木材的鉴别、分类及演化规律的研究都具有十分重要的意义。
- Classical Doppler Power Spectral (DPS) is not applicable because there are many kinds of distribution of Power Azimuth Spectrum (PAS) in MIMO system. 摘要MIMO系统中的角度功率谱有多种分布形式，所以经典多普勒功率谱不再适用。
- The paper analyses the signal processing with emphasis on Signal to Noise Ratio (SNR) in output of correlator and SNR in signal power spectral density. 并对算法处理中相关器输出中的信噪比（SNR）和功率谱密度中的SNR进行了重点分析。
- With the power spectral density, the vibration mechanism and the vibration transfer process of viaduct caused by the traffic load were introduced. 摘要从功率谱的角度介绍城市高架桥梁在交通荷载下产生振动的机理和振动的传递过程。
- The power spectral density of gearbox vibration signals is estimated by the periodogram from which original feature sets are derived. 为了使诊断结果更好地可视化,利用遗传编程结果的固有随机性,提取两个新特征指标。
- In practical application,one of the difficulties is the adjustment of the power spectral density function to various soil conditions. 在实际应用中,调整功率谱密度函数以适应各类场地土仍是一项困难的工作。
- Three-dimension spectral subtraction fluorescence 三维荧光光谱差谱法
- The statistical method for calculating the power spectral densities of of binary signals given by Bennett is extended to those df multi-state digital signals. 本文把Bennett给出的二进制数字信号功率谱密度的系统综合算法推广到常见的多态数字信号。
- Two cases of power spectral intensity function for the earthquake acceleration imput at the base rock are considered: the white noise spectrum and filter white noise spectrum. 计算结果表明，1)在基岩输入地震加速度的功率谱为白噪声谱的情况下，土层的最大期望反应均有别于过滤白噪声谱时的相应值；
