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- The density of power spectral entropy, on the whole, is an exponential decline curve with frequency augmentation without reference to water flooded extent. 功率谱密度不论水淹程度如何,整体为一随频率增大其能量按指数递减连续频谱;
- The Power Spectral Entropy Identification Method for Water Flooded Zone 水淹层功率谱熵识别方法
- The Relationship Between Age and Power Spectral Entropy of Heart Sound Signal 心音信号功率谱熵与年龄的关系
- Application of Power Spectral Entropy to the Noninvasive Detection of Focal Ischemic Cerebral Injury 功率谱熵在局灶性缺血性脑损伤无创检测中的应用
- Power Spectral Entropy of Various Frequency Segments and Its Application to Analysis Electrocardiogram 不同频段功率谱熵及其在心电分析中的应用
- Keywords Power spectral entropy(PSE) Focal ischemia Cerebral injury Electroencephalogram (EEG); 功率谱熵;局灶性缺血;脑损伤;脑电图;
- Keywords brain-computer interface(BCI);motor imaginary;power spectral entropy;wavelet entropy;event related desynchronization(ERD); 脑-机接口;想象动作;功率谱熵;小波熵;事件相关去同步;
- Keywords Electroencephalograph(EEG);wavelet Transform;sleep staging;Wavelet Entropy(WE);Complexity;Approximate Entropy (ApEn);Power Spectral Entropy(PSE); 脑电波;小波变换;睡眠分期;小波熵;复杂度;近似熵;功率谱熵;
- power spectral entropy 功率谱熵
- It was found that fluctuation complexity was more effective in detecting low-SNR speech than spectral entropy. 在低信噪比情况下,涨落复杂性测度比广泛应用的谱熵方法更有效。
- The entropy is attracting increasingly more attention with the emerge and clinical application of spectral entropy. 随着频谱熵指数的出现并应用于临床,熵指数正受到越来越多的关注。
- Result It was found that fluctuation complexity was more effective in detecting low-SNR speech than spectral entropy. 结果在低信噪比情况下,涨落复杂性测度比广泛应用的谱熵方法更有效。
- In this paper, a new speech endpoint detection method based on ICA (Independent Component Analysis) enhancement and spectral entropy is proposed. 提出了基于ICA(独立分量分析)增强和谱熵的语音端点检测方法。
- Like bispectral index (BIS), spectral entropy is useful in monitoring the depressant effects of anesthetic drugs on central nervous system. 熵指数和脑电双频指数(BIS)均可用于监测麻醉药对中枢神经系统的影响。
- 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。
- 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。
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