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  2. Scattering parameters - Wikipedia

    en.wikipedia.org/wiki/Scattering_parameters

    Note the format of the parameter notation SXYab, where "S" stands for scattering parameter or S-parameter, "X" is the response mode (differential or common), "Y" is the stimulus mode (differential or common), "a" is the response (output) port and b is the stimulus (input) port. This is the typical nomenclature for scattering parameters.

  3. Coherent microwave scattering - Wikipedia

    en.wikipedia.org/wiki/Coherent_Microwave_Scattering

    Finally, the Rayleigh scattering regime can be observed which is associated with restoring-force-dominated electron motion and shares a ω 4 dependence with its volumetric polarizability optical counterpart. In this case the "scattering particle" refers to the entire plasma object. As such, plasma expansion may cause a transition towards Mie ...

  4. Compact Software - Wikipedia

    en.wikipedia.org/wiki/Compact_Software

    Compact Software was the first commercially successful [citation needed] microwave computer-aided design (CAD) company. The company was founded in 1973 by Les Besser [ 1 ] [ 2 ] [ 3 ] to commercialize his eponymous program COMPACT ( C omputerized O ptimization of M icrowave P assive and A ctive Circui T s), released when he was at Farinon ...

  5. Codes for electromagnetic scattering by spheres - Wikipedia

    en.wikipedia.org/wiki/Codes_for_electromagnetic...

    This program calculates the scattering, absorption, and attenuation parameters, as well as the angular scattering patterns of a single coated sphere according to Aden-Kerker theory. 2007 L. Liu, H. Wang, B. Yu, Y. Xu, J. Shen [15] C: Unknown Light scattering by a coated sphere (extinction efficiency, scattering efficiency, light scattering ...

  6. Transfer-matrix method (optics) - Wikipedia

    en.wikipedia.org/wiki/Transfer-matrix_method...

    Although the scattering length density profile is normally a continuously varying function, the interfacial structure can often be well approximated by a slab model in which layers of thickness (d n), scattering length density (ρ n) and roughness (σ n,n+1) are sandwiched between the super- and sub-phases. One then uses a refinement procedure ...

  7. X-parameters - Wikipedia

    en.wikipedia.org/wiki/X-parameters

    X-parameters help solve this cascading problem: if the X-parameters of a set of components are measured individually, the X-parameters (and hence the non-linear transfer function) can be calculated of any cascade made from them. Calculations based on X-parameters are usually performed within a harmonic balance simulator environment. [3]

  8. S-matrix - Wikipedia

    en.wikipedia.org/wiki/S-matrix

    In scattering theory, the S-matrix is an operator mapping free particle in-states to free particle out-states (scattering channels) in the Heisenberg picture. This is very useful because often we cannot describe the interaction (at least, not the most interesting ones) exactly.

  9. Microwave imaging - Wikipedia

    en.wikipedia.org/wiki/Microwave_imaging

    Microwave imaging is a science which has been evolved from older detecting/locating techniques (e.g., radar) in order to evaluate hidden or embedded objects in a structure (or media) using electromagnetic (EM) waves in microwave regime (i.e., ~300 MHz-300 GHz). [1]