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Signal Processing

OK, you’re right, it 's impossible to actually beam “nothing” across a room. It is, however, possible to beam light across a room, sending information in the form of extremely short dips in that light. That’s what America’s National Institute of Standards and Technology (NIST) has been doing with its dark pulse laser. Whereas regular lasers transmit information by using darkness as a zero point and light pulses as data, this one uses light as a zero point, with darkness as the data. Read More
Whether you’re tracking a moose, trying to locate a sinking ship, or conducting a little spying, you’re going to be using a field strength logger. One of the slickest units currently available is the WiNRADiO PFSL-G3 Portable Field Strength Logging and Surveillance System. Whereas such systems used to consist of several pieces of equipment, the PFSL-G3 is all contained in one portable, compact, rugged unit. It also now comes with an optional TETRA control protocol decoder, allowing users to prioritize signal traffic by importance. Read More
The human body is a fascinating, well-oiled machine forged and perfected by hundreds of millions of years of evolution. So, when two MIT researchers were looking for a highly efficient design for a spectrum analysis chip, they turned to one of the most efficient designs in nature — the human inner ear — with outstanding results that will bring us 'smart radios' and transmitters capable of adaptively maximizing bandwidth and data transmission rates across all fields of communication. Read More
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