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  2. Scattering parameters - Wikipedia

    en.wikipedia.org/wiki/Scattering_parameters

    The Scattering transfer parameters or T-parameters of a 2-port network are expressed by the T-parameter matrix and are closely related to the corresponding S-parameter matrix. However, unlike S parameters, there is no simple physical means to measure the T parameters in a system, sometimes referred to as Youla waves.

  3. Impedance parameters - Wikipedia

    en.wikipedia.org/wiki/Impedance_parameters

    The equivalent circuit for Z-parameters of a two-port network. The equivalent circuit for Z-parameters of a reciprocal two-port network. The Z-parameter matrix for the two-port network is probably the most common. In this case the relationship between the port currents, port voltages and the Z-parameter matrix is given by:

  4. x̅ and s chart - Wikipedia

    en.wikipedia.org/wiki/X̅_and_s_chart

    In statistical quality control, the ¯ and s chart is a type of control chart used to monitor variables data when samples are collected at regular intervals from a business or industrial process. [1] This is connected to traditional statistical quality control (SQC) and statistical process control (SPC).

  5. S-matrix - Wikipedia

    en.wikipedia.org/wiki/S-matrix

    The S-matrix is closely related to the transition probability amplitude in quantum mechanics and to cross sections of various interactions; the elements (individual numerical entries) in the S-matrix are known as scattering amplitudes. Poles of the S-matrix in the complex-energy plane are identified with bound states, virtual states or resonances.

  6. Completeness (statistics) - Wikipedia

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

    Had the parameter space been finite and with a number of elements less than or equal to n, it might be possible to solve the linear equations in g(t) obtained by substituting the values of r and get solutions different from 0. For example, if n = 1 and the parameter space is {0.5}, a single observation and a single parameter value, T is not ...

  7. 'Disgruntled ex-employee' kills 2 workers at Chicago's Navy ...

    www.aol.com/disgruntled-ex-employee-kills-2...

    A man who was recently fired from his job at Navy Pier, one of Chicago’s main tourist attractions, returned to his former workplace and killed two people before fleeing, according to police.

  8. Brianna LaPaglia Clarifies She Is Not Dating Anyone After ...

    www.aol.com/brianna-lapaglia-clarifies-she-not...

    LaPaglia quickly responded to Bryan's statement and revealed that she was “blindsided” and took a break from social media after the split in an "attempt to heal privately.". She later opened ...

  9. Savings interest rates today: With rates slipping, here's ...

    www.aol.com/finance/savings-interest-rates-today...

    The more frequent the compounding, the more you can earn — so read your account's disclosure statements to understand how often your interest is compounded and credited to your account.