SINGLE-FREQUENCY GPS POSITIONING. Can it get any better? In the March 2018 edition of this column, we looked at the development of precise point positioning or PPP — the (mostly) carrier-phase-based ...
Optical frequency comb sources provide thousands of precise and accurate optical lines in a single device enabling the broadband and high-speed detection required in many applications. A main ...
GeoBroadcast Solutions is highlighting the use of its MaxxCasting synchronized FM booster technology in a single-frequency digital radio network at Entercom in San Diego. GBS says this is the first ...
High power: schematic of the Berkeley Surface Emitting Laser (BerkSEL) showing the pump beam (blue) and the lasing beam (red). The hexagonal photonic crystal is also illustrated. (Courtesy: Kanté ...
A listening room, defined by its dimensions, can be mapped in terms of a series of pressure peaks and nulls, in all three dimensions. This refers to the creation of standing waves (modes), and the ...
ALL GOOD THINGS ARE CHEAP; ALL BAD ARE VERY DEAR. That’s what the famous American essayist (and surveyor) Henry David Thoreau wrote in his diary on March 3, 1841. He was likely referring, in part, to ...
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