Scientific American

How to Identify a Prime Number without a Computer

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...
IEEE

A Lower-Correlation Random Demodulator Architecture Using Random Sampling Period Zeroing Integration Method

Abstract: Compressed Sampling (CS) overcomes the oversam-pling trap caused by using Shannon's sampling theorem in sparse ultra-wideband signals. The Random Demodulator (RD) is the infrastructure for ...
IEEE

Speeding up Composite Power System Reliability Evaluation via Efficient Random Line Importance Sampling Combined with Cross-Entropy Method

Abstract: Composite power system reliability evaluation using Monte Carlo simulation often suffers from high computational cost due to the difficulty in capturing rare loss-of-load states. To address ...
C&EN

Investigation of Fouling on Random Packing Using Microfocus X-ray Computed Tomography

TUM School of Engineering and Design, Department of Energy and Process Engineering, Institute of Plant and Process Technology, Technical University of Munich, Garching 85748, Germany ...