Look up: Signal-To-Noise-Ratio

1. Signal to Noise Ratio
   The ratio of desired sound to undesired background noise.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
2. signal to noise ratio
   Abbreviated SNR. The ratio of wanted information (the signal) to unwanted information (noise) in a communications channel. SIR (signal to interference ratio) is more commonly used in mobile communications since it implies interference from other transmitters, which is endemic in spread-spectrum techniques like CDMA and common in other radio based systems like GSM. Both SIR and SNR are commonly expressed as a logarithmic ratio in dB (decibels).
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3. Signal to Noise Ratio
   The ratio between a recorded signal and spurious background noise. Background noise is most commonly present due to wires and instrumentation reacting to electro-magnetic emissions from surrounding electrical equipment e.g., are welders, vehicle ignition circuits, machine tools. The signal-to-noise ...
   Found on http://www.diracdelta.co.uk/science/sour
   
   
4. SIGNAL TO NOISE RATIO
   (Abbr. SNR) The sensitivity of a communications receiver is generally specified in terms of the audio signal-to-noise ratio that results from an input signal of a certain number of microvolts. A high ratio means that you will hear very little noise on your calls.
   Found on http://www.glossarycentral.com/cell_phon
   
   
5. SIGNAL TO NOISE RATIO
   (Abbr. SNR) The sensitivity of a communications receiver is generally specified in terms of the audio signal-to-noise ratio that results from an input signal of a certain number of microvolts. A high ratio means that you will hear very little noise on your calls.
   Found on http://www.glossarycentral.com/cell_phon
   
   
6. Signal to Noise Ratio
   This is the ratio of the desired signal to the unwanted noise in an audio or video record/playback system.
   Found on http://www.filmland.com/glossary/Diction
   
   
7. Signal To Noise Ratio
   In audio engineering, a signal to noise ratio is the difference between the nominal signal level and the residual noise floor, usually expressed in decibels.
   Found on http://www.probertencyclopaedia.com/brow
   
   
8. signal-to-bias noise ratio
   the ratio, expressed in decibels, of the reference output level, to the specified weighted noise output level after erasure with reference bias applied NOTE - The frequency weighting employed should always be specified, but if no weighting is stated, the 'A' frequency weigthting should be understood.
   Found on http://www.electropedia.org/iev/iev.nsf/
   
   
9. signal-to-noise ratio
   A quantitative measure of the statistical detectability of a signal, expressed as a ratio of the magnitude of the signal relative to the variability. For first detection of a CO2-induced climate change, the model signal is the mean change or anomaly in some climatic variable, usually surface air tem...
   Found on http://cdiac.ornl.gov/glossary.html
   
   
10. signal-to-noise ratio
    [n] - the ratio of signal intensity to noise intensity
    Found on http://www.webdictionary.co.uk/definitio
    
    
11. Signal-to-Noise Ratio
    The amount of dB lower the noise is as compared to the signal.
    Found on http://www.testing1212.co.uk/a.htm
    
    
12. Signal-to-noise ratio
    the amount of useful information to be found in a given Usenet newsgroup - often used derogatorily, for example: 'the signal-to-noise ratio in this newsgroup is pretty low'
    Found on http://www.archivemag.co.uk/
    
    
13. Signal-To-Noise-Ratio
    The ratio of signal to noise (measured in dB).
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
14. Signal-to-noise ratio
    The ratio of the usable signal to unusable noise in a scan. A high degree of noise can mask the shadow detail in an image regardless of tonal resolution.
    Found on http://www.rodsmith.org.uk/photographic%
    
    
15. signal-to-noise ratio
    <microscopy> Also sometimes used as an abbreviation for serial number, can be somewhat confusing in the case of electronic equipment. ... (05 Aug 1998) ...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
16. signal-to-noise ratio
    signal-to-noise noun the ratio of signal intensity to noise intensity
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
17. signal-to-noise ratio
    the ratio between the amplitude of a signal being measured and that of the noise.
    Found on http://www.encyclo.co.uk/local/21001
    
    
18. signal-to-noise ratio
    (from the article `information theory`) ...bits per second, where is the bandwidth of the channel, and the quantity is the signal-to-noise ratio, which is often given in decibels (dB). ... The range of a radio communications link is defined as the farthest distance that the receiver can be from the transmitter and still maintain a ......
    Found on http://www.britannica.com/eb/a-z/s/93
    
    
19. signal-to-noise ratio
    1. (communications) (SNR, 's/n ratio', 's:n ratio') 'Signal' refers to useful information conveyed by some communications medium, and 'noise' to anything else on that medium. The ratio of these is usually expressed logarithmically, in decibels. 2. (networking) The term is often applied to Usenet ne...
    Found on http://foldoc.org/signal-to-noise+ratio
    
    
20. Signal-to-noise ratio
    The ratio of the usable signal to unusable noise in a scan. A high degree of noise can mask the shadow detail in an image regardless of tonal resolution
    Found on http://www.digitalexposure.ca/sub1.html
    
    
21. Signal-to-Noise Ratio
    A comparison of the signal level relative to the noise level. Larger numbers are better.
    Found on http://www.encyclo.co.uk/local/21058
    
    
22. signal-to-noise ratio
    the ratio of the wanted signal level to the electromagnetic noise level as measured under specified conditions
    Found on http://www.electropedia.org/iev/iev.nsf/
    
    
23. signal-to-noise ratio
    in a stated bandwidth, the ratio of (1) the peak-to-peak signal current to (2) the r.m.s. noise in the output current
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24. signal-to-noise ratio
    the ratio, generally expressed in decibels, of the power of the wanted signal to that of the coexistent noise at a specified point in a transmission channel under specified conditions NOTE - The signal cannot generally be separated from noise, and in practice the ratio (signal + noise) to noise is measured.
    Found on http://www.electropedia.org/iev/iev.nsf/
    
    
25. signal-to-noise ratio
    the ratio, generally expressed in decibels, of the power of the wanted signal to that of the coexistent noise at a specified point in a transmission channel, usually at the receiver output, under specified conditions NOTE 1 - The signal cannot generally be separated from noise, and in practice the r...
    Found on http://www.electropedia.org/iev/iev.nsf/