Signals

?
Device which the image is focused onto
Charge coupled device
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Image editing style where the mean of neighbouring pixels is removed from the pixel.
Edge detection
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Last style of image editing after: brightness, noise reduction (through median/mean smoothing), and edge detection..
Contrast
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Width of image/number of pixels
Resolution
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N=2^b
Number of levels
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EM waves vibrate in two planes, magnetic and ____ fields
Electric
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Waves which are polarised are ...
Transverse
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The milk water experiment, where polarising filters are rotated on the side and on top of a tank of milky water, show that the light is...
Polarised.
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Polarised waves can be investigated with a transmitter, receiver, and microwave..
Grille
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The difference between the actual signal value and coded level is...
Quantisation error
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Which type of signal is easily edited, easy storage, played on several devices, but also vulnerable to tragic news, makes details too easy to access for crime, and creates high standards with photoshop?
Digital
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No of bits per sample/bit rate = signal ____
Duration
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Samples per second * bits per sample = Bit _____
Rate
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To sample accurately sample frequency must be ____ times the maximum frequency.
Two
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Low frequency _____ are formed if the frequency is sampled above the maximum...
Aliases
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PD range/no of levels = Resolution and Vtotal/Vnoise=2^b= number of _____
Levels
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_____ is where analogue waves have their amplitude measured at intervals and turned to binary numbers.
Sampling
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Music must be sampled at ___kHz, as limit of human hearing is 20kHz
Forty
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Other cards in this set

Card 2

Front

Image editing style where the mean of neighbouring pixels is removed from the pixel.

Back

Edge detection

Card 3

Front

Last style of image editing after: brightness, noise reduction (through median/mean smoothing), and edge detection..

Back

Preview of the front of card 3

Card 4

Front

Width of image/number of pixels

Back

Preview of the front of card 4

Card 5

Front

N=2^b

Back

Preview of the front of card 5
View more cards

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