News tagged with digital signals

High-speed CMOS sensors provide better images

Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component ...

Jan 03, 2012
4.9 / 5 (8) 0 | with audio podcast

Japan goes digital after turning off analogue TV

Japan on Sunday shifted to digital terrestrial broadcasting, switching off its analogue television network in all areas except those worst hit by the March 11 earthquake and tsunami, the government said.

Jul 25, 2011
not rated yet 2

FCC to open up vacant TV airwaves for broadband

(AP) -- A new flavor of Wi-Fi, with longer range and wall-piercing power, could show up in wireless gadgets a year from now if the Federal Communications Commission works out the last details of new spectrum ...

Sep 13, 2010
4.7 / 5 (6) 3

Free local TV soon to be available on cell phones

(AP) -- The prospect of watching live, local TV shows on mobile phones and other portable devices is getting closer. Manufacturers this week are showing off gadgets can receive a new type of digital TV transmissions.

Jan 06, 2010
5 / 5 (1) 0

Explained: The Discrete Fourier Transform

(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...

Nov 25, 2009
4.3 / 5 (39) 9

Don't change that channel: DTV woes still abound

(AP) -- Think the digital TV transition is over? Not quite. Many viewers have found that they can't pick up certain stations after the switch, even with the right TVs or converter boxes. The stations are still trying to ...

Sep 18, 2009
not rated yet 2

Reception problems linger after DTV transition

(AP) -- The shutdown of U.S. analog TV service on Friday appears to have gone relatively smoothly, but as expected, a lot of viewers are having problems getting the stations they want.

Jun 17, 2009
not rated yet 0