formfactor — قاموس الإنجليزية

اسم

1. Any of various calculations representing the shape or distribution of a physical property within a microsystem such as an elementary particle or atomic nucleus.

   أمثلة

   أمثلة إضافية (3)

   This electromagnetic structure caused by the cloud of virtual states in the transition region is characterized by a specific formfactor, which is called the transition formfactor.

   Dilepton spectroscopy could also give interesting information on the electromagnetic formfactor for baryons where the situation is more complicated since for these the time-like sector is not accessible below an invariant mass of 2mp;

   Using the known values of the nucleon formfactors the pion formfactor can in principle be determined as the only free parameter in a fit to the cross section of electro-π⁺-production.

   All diagrams in a given-order formfactor are similar. They all are integrals over the momentum circulating in the loop, and the integrands are identical.

   أمثلة إضافية (2)

   The general trend one has found in varying the off-shell behaviour of the two-nucleon interaction while keeping the on-shell properties the same is that though one can in principle increase the binding energy, the dip in the formfactor moves at the same time to larger momentum transfer and as a result the discrepancy in the secondary maximum increases.

   We calculate the threshold singularities in one-dimensional models using the universal low-energy formfactors obtained in the framework of the non-linear Luttinger liquid model.

2. The value of 4π * area / perimeter², used to measure how well an irregular shape approximates an idealized regular shape, and used to estimate surface area of irregular shapes.

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   the surface area of the ellipsoid fitted to the measured length and breadth is divided by the formfactor to estimate the surface area of the irregular object

   The formfactor was chosen because it is sensitive to both the elongation of a region and the jaggedness of its border.

   أمثلة إضافية (2)

   Formfactor is widely used because it is easy to calculate, based on measurements of area and perimeter that must often be carried out anyway.

   In another publication, Inoue [9] explored the question of whether form-factors for stem volume can help in determining stem surface area.

3. The ratio of energy radiating out from one patch to the energy absorbed by another patch, used in the calculation of radiosity.

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   أمثلة إضافية (1)

   The formfactor between patches defines the fraction of energy (light) leaving a patch which arrives at the other. The formfactor has proven to be the most computationally expensive part of the radiosity computation for complex environments. The formfactor is purely a function of the geometric relationship between patches, and thus does not depend on viewer position or reflectivity attributes (color) of the surfaces.

   Formfactor calculation is a very important but time-consuming step when determining a radiosity solution.

   For all patches so called formfactors are calculated, that are needed to determine these intensities.

   أمثلة إضافية (1)

   In the image, they have been distinguished by assigning a grayscale brightness to each feature that is proportional to a shape descriptor, the formfactor.

4. An industry standard that represents the size and shape of a circuit board.

   أمثلة

   In the case of embedded RTP systems the most difficult constraint lies in the area of system formfactor limitations .

   Variants include the Baby-AT formfactor.

   أمثلة إضافية (2)

   Most current consumer motherboards are based on the ATX formfactor, which in turn evolved from the Baby AT formfactor.

   The first CNAs to appear on the market were PCIe standard form-factor adapters for industry standard servers, but the same consolidation benefits extend to blade servers using custom form-factor mezzanine cards provided by the server manufacturer.