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  2. Frequency selective surface - Wikipedia

    en.wikipedia.org/wiki/Frequency_selective_surface

    The FSS sheet may be represented in terms of lumped RLC networks placed in parallel across the transmission line. The shunt admittance FSS model is exact only for an infinitesimally thin FSS, for which the tangential electric field is continuous across the FSS; for finite thickness FSS, a tee or pi network can be used as a better approximation.

  3. Blocking set - Wikipedia

    en.wikipedia.org/wiki/Blocking_set

    Theorem: In PG(2,q) with q even, there exists a projective triad of side (q + 2)/2 which is a blocking set of size (3q + 2)/2. [3] The construction is similar to the above, but since the field is of characteristic 2, squares and non-squares need to be replaced by elements of absolute trace 0 and absolute trace 1. Specifically, let C = (0,0,1).

  4. Blocking (statistics) - Wikipedia

    en.wikipedia.org/wiki/Blocking_(statistics)

    Blocking evolved over the years, leading to the formalization of randomized block designs and Latin square designs. [1] Today, blocking still plays a pivotal role in experimental design, and in recent years, advancements in statistical software and computational capabilities have allowed researchers to explore more intricate blocking designs.

  5. PC System Design Guide - Wikipedia

    en.wikipedia.org/wiki/PC_System_Design_Guide

    The PC System Design Guide (also known as the PC-97, PC-98, PC-99, or PC 2001 specification) is a series of hardware design requirements and recommendations for IBM PC compatible personal computers, compiled by Microsoft and Intel Corporation during 1997–2001.

  6. Block design - Wikipedia

    en.wikipedia.org/wiki/Block_design

    A resolvable 2-design is a BIBD whose blocks can be partitioned into sets (called parallel classes), each of which forms a partition of the point set of the BIBD. The set of parallel classes is called a resolution of the design. If a 2-(v,k,λ) resolvable design has c parallel classes, then b ≥ v + c − 1. [20]

  7. Keep your inbox clean by blocking unwanted mail in AOL ...

    help.aol.com/articles/keep-your-inbox-clean-by...

    Block email addresses from Settings 1. Sign in to Desktop Gold. 2. Click Settings. 3. Click Mail. 4. Click the Spam Controls tab. 5. In the box under Block mail from addresses I specify, type the email addresses that you do not wish to receive mail from. Use commas to separate email addresses.

  8. Fix problems with AOL websites due to ad blocking software

    help.aol.com/articles/fix-problems-with-aol...

    Ad blockers insert code into your browser to block ads, which can negatively impact website performance, break functionality, and even hide messages in AOL Mail. We recommend unblocking AOL Mail websites to avoid facing these issues. Doing this will also unblock ads. Adjust Other settings

  9. Blocking (computing) - Wikipedia

    en.wikipedia.org/wiki/Blocking_(computing)

    In computing, a process that is blocked is waiting for some event, such as a resource becoming available or the completion of an I/O operation. [1] Once the event occurs for which the process is waiting ("is blocked on"), the process is advanced from blocked state to an imminent one, such as runnable.