A clear, compassionate guide to surrogacy with scripts, checklists, and expert-informed steps to support everyone involved.

MOVING WALL The "moving wall" represents the time period between the last issue available in JSTOR and the most recently published issue of a journal. Moving walls are generally represented in years.

Abstract: Satellite communications (SatComs) are expected to provide global Internet access. Low Earth orbit (LEO) satellites (SATs) have the advantage of providing a higher downlink capacity due to ...

Abstract: The particle swarm optimization (PSO) algorithm based on the comprehensive learning (CL) strategy is proposed and applied to address array synthesis of thinned array. Firstly, CL strategy is ...