- noise equivalent difference
- инфразвуковой эквивалент
English-Russian dictionary of terms for heating, ventilation, air conditioning and cooling air. 2013.
noise equivalent difference
Смотреть что такое "noise equivalent difference" в других словарях:
Noise equivalent temperature difference — (NETD) is a measure of the sensitivity of a detector of thermal radiation in the infrared, terahertz radiation or microwave radiation parts of the electromagnetic spectrum. It is the scene temperature difference equal to either the internal noise … Wikipedia
Noise-equivalent temperature — (NET) is a measure of the sensitivity of a detector of thermal radiation in the infrared, terahertz or microwave portions of the electromagnetic spectrum. It is the amount of incident signal temperature that would be needed to match the internal… … Wikipedia
Noise figure — (NF) is a measure of degradation of the signal to noise ratio (SNR), caused by components in a radio frequency (RF) signal chain. The noise figure is defined as the ratio of the output noise power of a device to the portion thereof attributable… … Wikipedia
List of noise topics — This is a list of noise topics. Contents 1 Engineering and physics 2 Environmental 3 Noise reduction 4 Music … Wikipedia
Image noise — Noise clearly visible in an image from a digital camera Image noise is random (not present in the object imaged) variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the… … Wikipedia
Colors of noise — White Pink Red (Brownian) Grey While noise is by definition derived from a random signal, it can have different characteristic statistical properties corresponding to different mappings from a source of randomness to the concrete noise. Spectral… … Wikipedia
Signal to noise ratio (image processing) — The Signal to Noise Ratio (SNR) is used in image processing as a physical measure of the sensitivity of an imaging system. Industry standards measure SNR in decibels (dB) and therefore apply the 20 log rule to the pure SNR ratio. In turn,… … Wikipedia
Low-noise block converter — A low noise block converter (LNB, for low noise block, or sometimes LNC, for low noise converter) is the (receiving, or downlink) antenna of what is commonly called the parabolic (actually paraboloid) satellite dish commonly used for satellite TV … Wikipedia
NETD — Noise Equivalent Temperature Difference (Academic & Science » Electronics) … Abbreviations dictionary
List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… … Wikipedia
Focal plane array testing — (under development sep 15)Focal Plane Array testing (FPA testing) is the test engineering process of validation and verification (V V) of operation of focal plane array imaging devices, device under test (DUT), at various levels of the… … Wikipedia
