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  2. Frequency selective surface - Wikipedia

    en.wikipedia.org/wiki/Frequency_selective_surface

    As an example of how to use FSS equivalent circuits for quick and efficient design of a practical filter, we can sketch out the process that would be followed in designing a 5-stage Butterworth filter (Hunter [2001], Matthaei [1964]) using a stack of 5 frequency selective surfaces, with 4 air spacers in between the FSS sheets.

  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. Hasty Pudding cipher - Wikipedia

    en.wikipedia.org/wiki/Hasty_Pudding_cipher

    The Hasty Pudding cipher (HPC) is a variable-block-size block cipher designed by Richard Schroeppel, which was an unsuccessful candidate in the competition for selecting the U.S. Advanced Encryption Standard (AES). It has a number of unusual properties for a block cipher: its input block size and key length are variable, and it includes an ...

  5. Private set intersection - Wikipedia

    en.wikipedia.org/wiki/Private_set_intersection

    Private set intersection is a secure multiparty computation cryptographic technique [1] that allows two parties holding sets to compare encrypted versions of these sets in order to compute the intersection. In this scenario, neither party reveals anything to the counterparty except for the elements in the intersection.

  6. Collision detection - Wikipedia

    en.wikipedia.org/wiki/Collision_detection

    In the a posteriori case, the physical simulation is advanced by a small step, then checked to see if any objects are intersecting or visibly considered intersecting. At each simulation step, a list of all intersecting bodies is created, and the positions and trajectories of these objects are "fixed" to account for the collision.

  7. Question: I recently ran into a horde of motorcyclists, and by horde I’m talking 50 to 60. At cross streets, one motorcycle would block the intersection and the rest would drive through. Red ...

  8. 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.

  9. Intersection algorithm - Wikipedia

    en.wikipedia.org/wiki/Intersection_algorithm

    The intersection algorithm returns an interval that includes that returned by Marzullo's algorithm but may be larger since it will include the center points. This larger interval allows using additional statistical data to select a point within the interval, reducing the jitter in repeated execution.