• Iterative impedance is the input impedance of an infinite chain of identical networks. It is related to the image impedance used in filter design, but...
    8 KB (1,065 words) - 07:55, 24 February 2024
  • Thumbnail for Characteristic impedance
    The characteristic impedance or surge impedance (usually written Z0) of a uniform transmission line is the ratio of the amplitudes of voltage and current...
    25 KB (3,580 words) - 05:22, 16 March 2025
  • filters m-derived filters Iterative impedance characteristic impedance Lee, Thomas H. (2004). "2.5. Driving-point impedance of Iterated Structure". Planar microwave...
    10 KB (1,453 words) - 16:43, 7 April 2024
  • the theoretical termination impedance, the image impedance, not generally being equal to the actual termination impedance. With network synthesis filters...
    14 KB (1,859 words) - 15:36, 11 November 2024
  • Thumbnail for Yagi–Uda antenna
    diameter performance characteristics: gain and input impedance However using the above kinds of iterative analysis, one can calculate the performance of a...
    40 KB (5,054 words) - 14:19, 10 April 2025
  • impedance target. These steps are repeated until the desired waveform is obtained. The result given here is accurate within 1.5% after two iterations...
    23 KB (2,669 words) - 14:34, 28 June 2024
  • transmission line. The problem is non-linear because the power flow into load impedances is a function of the square of the applied voltages. Due to nonlinearity...
    17 KB (2,817 words) - 14:42, 21 May 2025
  • Constant k filter (category Image impedance filters)
    1924. Zobel, 1923, p.6. Lee, Thomas H. (2004). "2.5. Driving-point impedance of Iterated Structure". Planar microwave engineering: a practical guide to theory...
    15 KB (2,016 words) - 07:58, 24 February 2024
  • Thumbnail for Radar cross section
    surface impedance can be calculated and tested separately. For an isotropic surface the ideal surface impedance is equal to the 377 ohm impedance of free...
    32 KB (4,304 words) - 05:00, 16 May 2025
  • Thumbnail for Distributed-element circuit
    quarter-wave impedance transformer. This has the useful property of transforming any impedance network into its dual; in this role, it is called an impedance inverter...
    48 KB (6,330 words) - 23:23, 22 May 2024
  • are all interrelated as Zobel demonstrated see (Image impedance). Firstly, the lattice impedance Za can be expressed as the ratio of two polynomials in...
    43 KB (6,856 words) - 01:53, 23 August 2023
  • Dirichlet-to-Neumann operator. This is the mathematical formulation of electrical impedance tomography. The solution of partial differential equation in an external...
    6 KB (758 words) - 02:31, 14 December 2023
  • isolated and iterative processes were not then generally necessary. Realisability (that is, which functions are realisable as real impedance networks) and...
    65 KB (9,034 words) - 19:38, 30 December 2024
  • Lattice network (category Image impedance filters)
    presence the second pair of matching impedances. It is possible with this circuit to have the characteristic impedance specified independently of its transmission...
    49 KB (8,453 words) - 01:52, 23 August 2023
  • Thumbnail for Evolved antenna
    combination of wide beamwidth for a circularly polarized wave and wide impedance bandwidth to cover the up and down link frequencies at X-band. Both antennas...
    5 KB (520 words) - 10:00, 2 January 2025
  • Thumbnail for Reservoir modeling
    space using seismic inversion attributes such as impedance. Seismic surveys measure acoustic impedance contrasts between rock layers. As different geologic...
    16 KB (2,089 words) - 21:15, 27 February 2025
  • Thumbnail for Transimpedance amplifier
    wide range of light input. The transimpedance amplifier presents a low impedance to the photodiode and isolates it from the output voltage of the operational...
    12 KB (1,824 words) - 06:19, 23 May 2025
  • Mm'-type filter (category Image impedance filters)
    filter type was intended to provide an improved impedance match into the filter termination impedances and originally arose in connection with telephone...
    15 KB (2,110 words) - 14:59, 23 April 2022
  • Thumbnail for Trip distribution
    , K j {\displaystyle K_{i},K_{j}} = balancing factors solved iteratively. See Iterative proportional fitting. f {\displaystyle f} = distance decay factor...
    24 KB (4,107 words) - 11:40, 14 August 2020
  • transistor's parameters sufficient to predict circuit gain, input impedance, and output impedance are components in its small-signal model. A number of different...
    14 KB (1,523 words) - 05:49, 22 September 2023
  • high-quality acoustic impedance volumes from full or post-stack seismic data: full-bandwidth impedance, bandlimited Impedance, reflectivity model, and...
    22 KB (3,002 words) - 18:34, 7 March 2025
  • Thumbnail for Maximum power point tracking
    electrical characteristics. As these conditions vary, the load characteristic (impedance) that gives the highest power transfer changes. The system is optimized...
    27 KB (3,431 words) - 02:21, 17 March 2025
  • Composite image filter (category Image impedance filters)
    filters. An important parameter of image filters is their image impedance, the impedance of an infinite chain of identical sections. The basic sections...
    24 KB (3,086 words) - 02:29, 19 November 2024
  • Thumbnail for Deblina Sarkar
    detailed methodology for the accurate evaluation of DC to high-frequency impedance of 2D layered structures. This model provides insights into the physics...
    21 KB (2,198 words) - 06:40, 30 April 2025
  • Thumbnail for Linear seismic inversion
    for include acoustic velocity, formation and fluid densities, acoustic impedance, Poisson's ratio, formation compressibility, shear rigidity, porosity...
    25 KB (4,036 words) - 19:00, 27 December 2024
  • formula Simple harmonic motion Phasor (physics) RLC circuit Resonance Impedance Reactance Musical tuning Orbital resonance Tidal resonance Oscillator...
    5 KB (413 words) - 21:49, 5 November 2024
  • Thumbnail for Otto Julius Zobel
    mathematically possible to construct a filter image impedance out of discrete components. The result of impedance mismatch is reflections and a degraded filter...
    34 KB (4,287 words) - 22:24, 30 October 2024
  • Thumbnail for Audio crossover
    the changes in impedance with frequency inherent in virtually all loudspeakers. The issue is complex, as part of the change in impedance is due to acoustic...
    37 KB (4,748 words) - 14:15, 23 September 2024
  • reluctant to pick up noise because it contains high impedance while useful signal offers low impedance. This results in the θ parameter approaching a good-looking...
    7 KB (975 words) - 01:48, 19 January 2025
  • Thumbnail for Fractal antenna
    components, assuming the structure happens to have the desired resonant input impedance. In general, the fractal dimension of a fractal antenna is a poor predictor...
    15 KB (1,710 words) - 20:10, 14 April 2025