Abstract: Random noise suppression can greatly improve the signal-to-noise ratio (SNR) of seismic signals. To suppress random seismic noise, we propose an unsupervised deep neural network (UDNN) ...

A woman who has made £6,000 selling unwanted items on Vinted says there is one secret trick she swears by – and insists it’s the reason she’s been so successful. Polly Arrowsmit joined the second-hand ...

Abstract: In this paper, a method of generating true random numbers obeying multiple distribution characteristics is proposed. First, two resistance-capacitance (RC) self-excited oscillation circuits ...