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  2. Raised-cosine filter - Wikipedia

    en.wikipedia.org/wiki/Raised-cosine_filter

    The raised-cosine filter is a filter frequently used for pulse-shaping in digital modulation due to its ability to minimise intersymbol interference (ISI). Its name stems from the fact that the non-zero portion of the frequency spectrum of its simplest form ( β = 1 {\displaystyle \beta =1} ) is a cosine function, 'raised' up to sit above the f ...

  3. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    A power of two is a number of the form 2n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent . Powers of two with non-negative exponents are integers: 20 = 1, 21 = 2, and 2n is two multiplied by itself n times. [ 1][ 2] The first ten powers of 2 for non-negative values of n are:

  4. I refuse to play with my kids — and it makes me a better mom

    www.aol.com/news/why-refuse-play-kids-014957907.html

    Before kids, when I was an imaginary mom, I romanticized what fun it would be to set up tea parties for my little ones, complete with stuffed animal guests, petit fours and a toile-patterned tea set.

  5. Dams in distress: Partial failure in Minnesota offers a ...

    www.aol.com/news/dams-distress-partial-failure...

    The partial failure of Minnesota’s 114-year-old Rapidan Dam highlights risks that many communities face as the number of dams in disrepair rises and climate change makes rainfall more frequent ...

  6. How a CT scan can help predict a person’s risk for type 2 ...

    www.aol.com/ct-scan-help-predict-person...

    Using the CT markers of visceral fat, subcutaneous fat, muscle mass, liver density, and aortic calcium, researchers were able to determine a person’s type 2 diabetes risk. Scientists found that ...

  7. List of country calling codes - Wikipedia

    en.wikipedia.org/wiki/List_of_country_calling_codes

    Zone 8 uses four 2-digit codes (81, 82, 84, 86) and four sets of 3-digit codes (80x, 85x, 87x, 88x) to serve East Asia, South Asia and special services. 83x and 89x are unallocated. Zone 9 uses seven 2-digit codes (90–95, 98) and three sets of 3-digit codes (96x, 97x, 99x) to serve the Middle East , West Asia , Central Asia , parts of South ...

  8. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  9. Don't work in bed, and other tips for creating a peaceful ...

    www.aol.com/news/dont-bed-other-tips-creating...

    Create a buffer zone. To separate your sleep area from the rest of the apartment, you could get a freestanding screen, room divider or “floating" (hanging) wall. And as much as you can, keep ...