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  2. Group delay and phase delay - Wikipedia

    en.wikipedia.org/wiki/Group_delay_and_phase_delay

    The group delay and phase delay properties of a linear time-invariant (LTI) system are functions of frequency, giving the time from when a frequency component of a time varying physical quantity—for example a voltage signal—appears at the LTI system input, to the time when a copy of that same frequency component—perhaps of a different physical phenomenon—appears at the LTI system output.

  3. Talk:Group delay and phase delay - Wikipedia

    en.wikipedia.org/wiki/Talk:Group_delay_and_phase...

    4) Group delay, as mentioned by others on this talk page is quite complicated in concept. For example, it cannot give any difinitive or quantifiable information outside the context of modulation and demodulation. And group delay cannot even give the time delay of the DUT frequency components.

  4. Network delay - Wikipedia

    en.wikipedia.org/wiki/Network_delay

    Network delay is a design and performance characteristic of a telecommunications network. It specifies the latency for a bit of data to travel across the network from one communication endpoint to another.

  5. Scientists find evidence of ‘negative time’ - AOL

    www.aol.com/news/scientists-evidence-negative...

    “A negative time delay may seem paradoxical, but what it means is that if you built a ‘quantum’ clock to measure how much time atoms are spending in the excited state, the clock hand would ...

  6. Use full headers to find delivery delays or a forged email's ...

    help.aol.com/articles/use-full-headers-to-find...

    Delivery records in the full headers show when each computer received the message. The first delivery is at the bottom; the newest at the top. If you find a large time gap between delivery records, that shows which computer delayed before sending it to the next computer. 1. View the full header as described above. 2.

  7. Find delivery delays or identify the sender in AOL Mail

    help.aol.com/articles/use-full-headers-to-find...

    View the full headers to find out where an email was delayed or if the real sender disguised their email address. View the full header of an email. 1. Click an email to open it. 2. Click the More drop-down in the top menu. 3. Select View Message Source. Use header info to investigate problems. See where an email was delayed

  8. Delay equalization - Wikipedia

    en.wikipedia.org/wiki/Delay_equalization

    In signal processing, delay equalization corresponds to adjusting the relative phases of different frequencies to achieve a constant group delay, using by adding an all-pass filter in series with an uncompensated filter. [1] Clever machine-learning techniques are now being applied to the design of such filters. [2]

  9. Manage conversations in AOL Mail

    help.aol.com/articles/manage-conversations-in...

    AOL Mail lists your emails together in a single thread, making it easier to follow the flow of the conversation. This feature can help you to quickly locate specific emails and reduce clutter in your inbox. Use the collapse icon or expand icon to view the messages in the conversation thread. Turn conversations on or off