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= {x1, x2, …, xn}. Fig.4 Wavelet transform from the 6th to the 10th details (the 4th coefficients maximum and slope values of the 6th detail are used as characteristic values): (a) The 6th detail; (b...; Fourier and wavelet transformations......
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for signal processing [22]. It includes multiple bases and different bases will result in different classification performances. In wavelet transform, signals are split into a detail and an approximation (D and A). The approximation obtained from first-level is split into new detail and approximation, and this process is repeated. Because the wavelet transform decomposes only the approximations......
Prediction of Al(OH)3 fluidized roasting temperature based on wavelet neural network LI Jie(李 劼)1, LIU Dai-fei(刘代飞)1, DAI Xue-ru(戴学儒)2, ZOU Zhong(邹 忠)1, DING Feng-qi(丁凤其)1 1. School...; Abstract: The recycle fluidization roasting in alumina production was studied and a temperature forecast model was established based on wavelet neural network that had a momentum item......
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Morlet小波,并对滤波器电路进行了设计,仿真结果证明了该模型的正确性.所提出的模型可以在小波变换的模拟集成电路实现中得到广泛应用. 参考文献: [1] MOREIRA-TAMAYO O, PINEDA DE GYVEZ J. Analog computation of wavelet transform coefficients in real-time[J]. IEEE Transactions.... [3] 胡沁春, 何怡刚, 郭迪新, 等. 基于开关电流技术的时域连续小波变换实现[J]. 电子与信息学报, 2007, 29(1): 227-231. HU Qinchun, HE Yigang, GUO Dixin, et al. Time-domain implementation of continuous wavelet transform based on switched......
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wavelet transform; shadow elimination  ... wavelet transform (BDWT) based background subtraction For one dimension signal f(t), BDWTs [10] are as follows:  ......
with this problem, an improved joint method based on the discrete wavelet transform (DWT), modified energy ratio (MER) and Akaike information criterion (AIC) pickers, has been proposed in this study... and waveform adaptabilities. Key words: Akaike information criterion (AIC); modified energy ratio (MER); discrete wavelet transform (DWT); acoustic signals with noise Cite this article as: ZHOU Zi-long......