Abstract: In wireless communications, knowledge of the signal-to-noise ratio is required in diverse communication applications. In this paper, we derive the variance of the maximum likelihood ...

Just like it says on the tin, it’s phase shift keying, and a proper implementation uses a phase detection circuit or something similar. [Craig] thought it would be fun to build an analog BPSK31 ...

Figure 6 A square wave and its Hilbert transform, bringing about a 90° phase shift of each frequency component of the ... with the corresponding frequency component of the other. Using two balanced ...

Ed Silverman, a senior writer and Pharmalot columnist at STAT, has been covering the pharmaceutical industry for nearly three decades. He is also the author of the morning Pharmalittle newsletter ...

Each is designed to regulate your temperature through the night, but beyond that these technologies work in different ways ...

Health and Human Services Secretary Robert F. Kennedy Jr. and the Food and Drug Administration announced a plan to phase out petroleum-based dyes in food by the end of 2026. Photo: Andrew Harnik ...

Food manufacturers will phase out eight synthetic dyes from all ... The other two are less common: Orange B, approved for use in sausage casings, and Citrus Red 2, used to color orange peels.

This story is republished from STAT, the health and medicine news site that’s a partner to the Globe. Sign up for STAT’s free Morning Rounds newsletter here In an unexpected move, the US Food ...

In a world increasingly dependent on high-performance electronics, efficient thermal management is no longer a luxury—it’s a necessity. From consumer electronics to large-scale data centers and ...

This poses a significant problem, especially since nearly 90% of Americans report using a screen in bed before falling asleep most nights, according to a Sleepopolis survey. The Sleep Foundation ...