Exact(3)
It could be the ghostly glow of bacteria on decaying meat or fish, the shimmering radiance of protozoans in tropical seas, or the flickering signals of fireflies.
And because they are semiconductor devices, tinkering with their electronics to produce the flickering signals required for data transmission is pretty straightforward, according to Gordon Povey, who is working on light communication with Harald Haas and his colleagues at the University of Edinburgh, in Britain.The rate of data transfer is also good.
This flickering signals that the screenshot has been taken.
Similar(57)
But as I filed the day's stories, the red light on my BlackBerry incessantly flickered, signalling Twitter, Facebook and email updates.
In this paper, two models of voltage flicker are discussed: Lp estimation algorithms utilizing L1, L2 and L∞ norms are used to estimate the voltage magnitudes of the flicker signals as well as the fundamental voltage magnitude.
She saw her opponents' lights begin flickering out, signaling touches as her long, lithe arms snaked inside defenses.
In order to confirm the feasibility of the method, it has been tested to inspect several voltage flicker-generated signals collected from both simulated waveforms and field measurements.
Open image in new window Fig. 8 Improved HHT analysis results of voltage flicker signal.
Nonlinear parameters like Hurst exponent, approximate entropy, Higuchi's fractal dimension, and the largest Lyapunov exponent are calculated for 30 Hz flicker signal and oscillatory potential of ERG signal.
With the club's own Wi-Fi connection offering a flickering, untrustworthy signal, the stream was facilitated by chaining multiple mobile sim cards together, giving enough bandwidth to upload a few hours of high-quality video.
Thus, although there might be a mechanism by which flicker-free visual signals would be generated under flickering illumination, the likelihood of such a possibility is low.
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