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- The wavelet analysis and data processing was made based on sampled data stylebook in order to forecast disaster. 并对采集到的数据样本进行小波分析与处理,预报灾害。
- Focused on the wavelet analysis in image enhancement, noise reduction, compression and fusion. 重点论述了小波分析在图像增强、降噪、压缩和融合中的应用。
- Time series of lake level anomaly from TOPEX/Poseidon and Jason-1 are studied using the wavelet analysis. 利用小波分析的方法对卫星测高获得的湖水位异常时间序列进行了研究。
- A novel method was proposed to eliminate EOG artifact based on the wavelet analysis. 该算法用小波分析将脑电信号在频域做精细划分,并选用与眼电伪差相关度最大的导联作为参考信号,在特定频段进行相减滤波。
- Through the wavelet analysis it was got that cycle of accumulative temperature is 8 years. 通过小波分析得出积温的变化周期为8年。
- This paper probes into the wavelet analysis of outlier removal, de-noising, the effect of three separate engaged. 本文对小波分析在异常值去除、去噪、分离效应量三方面进行了有益的探索;
- A method to simulate fatigue stress history based on the wavelet packet transform, a special branch of the theory of wavelet analysis was presented. 采用小波分析理论中的小波包变换 ;提出了一种基于小波分析的模拟疲劳应力的方法 .
- The pyramid model based on the wavelet analysis was used to represent the large image hierarchically for efficient storage and fast display. 运用小波分析理论,实现图像的分级快速显示与分级存储,并实现图像信息的存储。
- The wavelet analysis is applied to AE signal processing and it will be helpful to the development,popularization and application of AE technique. 将小波分析用于声发射信号处理 ,有助于声发射技术的发展与推广应用。
- The wavelet analysis can divide signal into different frequency bands and carry out inchoate signal decomposition and extracting. 小波分析能将信号划分到不同频段内,实现微弱故障信号的分离和提取。
- Abstract: The wavelet analysis can divide signals into different frequency bands and realize the in choate signal decomposition and extraction. 摘 要: 小波分析能将信号划分到不同频段内,实现微弱故障信号的分离和提取。
- Based on the theoretical analysis a new method of frequency domain analysis by the wavelet analysis to objectively measure pilling intensity in sample images is proposed. 提出了基于小波分析的织物起球客观评级新方法,利用对两个系列的起球织物标准样照图像的小波分析,对此新方法进行了系统研究;
- A comparison study of two de-noising methods based on the wavelet analysis and the matching pursuit approaches was performed. Using the Matlab software,a set of typical noise signals in engineering applications were used to de-noise and to be compared. 对基于小波和匹配跟踪的两种降噪方法进行了比较研究,利用Matlab软件对几种典型的噪声信号使用以上两种方法进行了降噪处理,并结合处理结果对这两种降噪方法进行了分析比较。
- Algebraic feature extraction on the spectro-space has been proposed, which combines the wavelet analysis, wavelet packet analysis and the generalized optimal discriminant analysis. 提出了一种在频域上的代数特征抽取方法,该方法将小波分析、小波包分析和最优鉴别分析、广义最优鉴别分析相结合。
- The wavelet analysis, especially waveletscalogram and reassignment scalogram, is utilized to analyze the time-frequencycharacteristic and propagation characteristic of the rubbing AE. 主要采用小波分析方法对碰摩声发射的时频特性及传播特性进行分析,着重研究了小波尺度谱和再分配尺度谱在碰摩声发射时频特性分析中应用。
- By means of the wavelet analysis, non-steady signals are analyzed, the fault feature vectors of fault are successfully extracted and this effective method is employed to identify the fault pattern. 研究了小波分析在非平稳信号分析的实际应用,成功地通过小波分析提取故障信号的特征信息,为识别故障类型提供了有效的分析手段。
- It uses the time-frequency localization characteristic of the wavelet analysis and their correlations on the direct wave,target reflected signals and stochastic noise in multichannel GPR d... 通过实验数据和现场实测数据验证了该方法的有效性。
- In order to divide the gravity anomaly more effectively, the authors tentatively used the wavelet analysis with the function of multi-scale analysis to separate the gravity fields. 为了更好地划分重力异常,尝试利用具有多尺度分析功能的小波分析进行重力场的分离。
- The wavelet analysis method qua complementarity to wave shape analyse method, has function of wiping off yawp and discern character.So it can become gist to diagnosis engine malfunction. 小波分析法作为示波法的补充,具有信号除噪和特征辨析的功能,可作为判断发动机故障的依据。
- The effect of the signal processing indicated that ability of defect is enhanced,and that the method of the wavelet packet is more effective than the method of wavelet analyses in the pressure fluctuation signal processing in SCISR. 同时验证了小波包分析在撞击流反应器内压力波动信号处理中应用的有效性,而且小波包分析方法比小波方法处理信号的效果更为理想。