Abstract: In response to the insufficiency of personalized learning support on online programming platforms, this paper designs and implements an online programming skill improvement system based on ...

Being able to effectively price a product is one of the key determinants in whether a business succeeds or fails. Input costs matter but are not the sole determinant of the ideal price. "It's an art ...

Abstract: The sparse array could reduce the cost of physical antennas. However, implementing wideband beamforming directly based on the covariance matrix of the received signals from the sparse array ...