November 29, 2007 For the first time a signal from a Galileo satellite - the European alternative to GPS - has been captured after reflection off the ocean surface. The successful experiment carried ...

In part 1 of this series, it was pointed out that attenuation, reflections and system noise have the potential to dramatically reduce link throughput. The first article reviewed issues surrounding ...

NTT Corp. (NTT) and Okayama University have developed a solution to the increasing problem of IoT signal interference by creating a topological ultrasonic circuit. Claimed as the first of its kind, ...

THIS ARTICLE IS ABOUT VIRTUAL SATELLITES. No, we don’t mean physical objects that are almost satellites. That’s the common everyday meaning of the word virtual. We mean it in the sense used in ...

Download this article in PDF format. Arbitrary function generators (AFGs) are used to generate many different types of electrical waveforms, such as sine waves, square waves, triangular waves, and ...