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With the development of Internet technology, Internet security issues become increasingly prominent. People transfer a large amount of digital images on the Internet every day, in order to protect the security of the digital image, the most direct and effective way is to encrypt the digital image. Chaotic encryption system with natural characteristics, chaotic image encryption can effectively protect...
The assessment of flame combustion stability play a vital role in the safe, economic, environment protection operation of the large capacity pulverized coal boilers. In this paper, the flame radiation intensity signal is acquired by a low-cost flame detection device. Fast Fourier transform is used to exact power spectrum of frequency domain and phase domain from time domain signals based upon wavelet...
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