detectivity

detectivity

[‚dē‚tek′tiv·əd·ē]
(electronics)
The normalized radiation power required to give a signal from a photoconductor that is equal to the noise.
References in periodicals archive ?
He compares the characteristics of cooled and uncooled detectors with an emphasis on spectral and black-body responsivity and detectivity, as well as the noise mechanisms related to optical detection.
You et al., "Solution-processed hybrid perovskite photodetectors with high detectivity," Nature Communications, vol.
Yang, "Promoting photosensitivity and detectivity of the Bi/Si heterojunction photodetector by inserting a [WS.sub.2] layer," Applied Materials and Interfaces, vol.
Du et al., "High detectivity graphene-silicon heterojunction photodetector," Small, vol.
This gives an additional dynamic range of order [10.sup.3] x 10 x 10 x 10 = [10.sup.6] times as compared to the present measurement and gives the detectivity estimate of better than [10.sub.10] [Cl.sub.2]/[cm.sup.3].
Bio-PK detectivity of fluorescence measurement method: Early spring test.
The detectivity [D.sup.*], as the signal to noise ratio with respect to bandwidth [DELTA]f and [A.sub.d], is as follows:
Mercier, "Radiometric short-term fourier transform analysis of photonic doppler velocimetry recordings and detectivity limit," in Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter, p.
In addition, surface resistance detectivity D* has been determined regarding use in sensor systems.
Mandelis, "Comparison between pulsed laser and frequency-domain photoacoustic modalities: Signal-to-noise ratio, contrast, resolution, and maximum depth detectivity," Review of Scientific Instruments, Vol.
In the third step, four statistical indices of sensor nodes, which are detectivity, brittleness, redundancy, and stable coefficient, are defined and calculated to evaluate the performance of CMSN.