Due to its large dynamic range, the decibel is a useful unit of measure and is used in various applications, mainly in the ...

2009 marks the 20th anniversary of the fall of the Berlin Wall in Germany. In German history there is perhaps no greater instance of a paradigm shift than what occurred on Nov. 9, 1989. US Army 5th ...

Having trouble capturing signals in busy airwaves? How a handheld tool can record, stream, & replay wideband signals so you ...

Like most modern radio communications devices, wireless local-area networks (WLANs), RFID tags, and 3G cellular systems rely on complex modulations that require specialized signal-analysis ...

Few pieces of engineering equipment are as fundamental as a spectrum analyser. With their help, it’s possible to quickly ...

When designing with interconnects, we're often concerned about issues such as crosstalk and reflections. We frequently ask for models from the manufacturers so we can run simulations to determine the ...

The Defense Information Systems Agency (DISA) is increasing the warfighter’s ability to operate in the complex spectrum environment by providing operational support through electromagnetic battlespace ...

Optimizing the performance of spectrum and signal analyzers involves trade-offs based on each instrument’s strengths and weaknesses. Keysight Technologies’ Sai Yang, product manager microwave and ...

No audio available for this content. Figure 1. Initial GLONASS FDMA signals spectrum in L1 band. Image: Sergey Karutin GLONASS remains a core of Russia’s positioning, navigation and timing (PNT) ...

Interfering signals are one of the most well-known nuisance for GNSS receivers. A number of terrestrial systems and devices can generate various types of interference, either intentionally or not, but ...

Current optical fibre transmission systems rely on modulation, coding and multiplexing techniques that were originally developed for linear communication channels. However, linear transmission ...