shot noise वाक्य
उदाहरण वाक्य
मोबाइल
- Shot noise is produced by electrons in transit across a discontinuity, which occurs in all detectors.
- In contrast, when SNR is limited by shot noise, it improves with increasing laser power.
- Thus shot noise is most frequently observed with small currents or low light intensities that have been amplified.
- It interpolates between shot noise ( zero temperature ) and Nyquist-Johnson noise ( high temperature ).
- This work would continue until the 1990s where it would cross paths with the work on shot noise.
- Shot noise is a Poisson process and the charge carriers that make up the current follow a Poisson distribution.
- Electronic image sensors, such as CCDs, exhibit shot noise corresponding to the statistics of individual photon events.
- With very small currents and considering shorter time scales ( thus wider bandwidths ) shot noise can be significant.
- Image noise can also originate in film grain and in the unavoidable shot noise of an ideal photon detector.
- EUV further suffers from the shot noise limit, which forces the dose to increase going for successive nodes.
- Shot noise is the main reason Fourier Transform Spectrometry has never been popular for UV and visible light spectrometry.
- Vacuum tubes have shot noise because the electrons randomly leave the cathode and arrive at the anode ( plate ).
- The concept of shot noise was first introduced in 1918 by Walter Schottky who studied fluctuations of current in vacuum tubes.
- For 10 nm design rules, a lower dose leads to extremely high sensitivity, which is prohibitive with shot noise.
- The current is a flow of discrete charges, and the fluctuation in the arrivals of those charges creates shot noise.
- Thermal noise is a different physical effect that superimposes on the shot noise, contributing to the experimentally-measured value.
- Frequently, input phase noise with a power amplitude of one photon per mode is employed, corresponding to shot noise.
- Quantization adds shot noise in low-light situations, but aside from that, imaging is governed by Maxwell's equations.
- Now with this small current viewed on this time scale, the shot noise amounts to 1 / 10 of the DC current itself.
- Shot noise is distinct from voltage and current fluctuations expected in thermal equilibrium; this occurs without any applied DC voltage or current flowing.
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