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Hyperspectral anomaly detection is playing an important role in remote sensing field. Most conventional detectors based on the Reed-Xiaoli (RX) method assume the background signature obeys a Gaussian distribution. However, it is definitely hard to be satisfied in practice. Moreover, background statistics is susceptible to contamination of anomalies in the processing windows, which may lead to many...
Little is known about disadvantaged people's adoption and use of mobile Internet services in such a global mobile technologies age. This paper aims to fill this gap by identifying enablers that affect disadvantaged people's adoption and use of mobile Internet services. We present the preliminary results from a qualitative user study with 21 participants, including twelve urban migrant workers and...
Cu was removed from industrial sludge by traditional and microwave assisted acid extraction. The effects of acid concentration, extraction time, sludge particle size and solid/liquid (S/L) ratio on removal of Cu from industrial sludge were investigated. The results indicated that extraction of Cu by 1 N nitric acid for 90 min at an S/L ratio of 1/20 is the most economical traditional extraction conditions;...
According to the modulation principles of orthogonal frequency division multiplexing (OFDM) and wavelet packet modulation (WPM), this paper discusses the modulation identification for WPM signals from the OFDM signals based on fractional Fourier transform (FRFT). The FRFT clustering area of the signals is used as the classification feature parameter. Simulations are carried out in additive white Gaussian...
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