Strona 3

Sygnałki

Pytanie 17
Image equalization
non-linear mapping which reassigns the intensity values of pixels in the input image such that the output image contains a uniform distribution of intensities
mapping which reassigns the intensity values of pixels in the input image such that the output image contains values of intensities equaled to 256
mapping which reassigns the intensity values of pixels in the input image such that the output image contains various distribution of intensities
mapping which reassigns the intensity values of pixels in the input image such that the output image contatins the same values of intensities
Pytanie 18
Image binearization
converts a greyscale image into a true color image
converts a greyscale image into a binary image (pixels values are either 1 or 0)
converts one component of true color image into a greyscale image
converts a true color image into a greyscale image
Pytanie 19
Saddle point is a point where function f(x,y)
partial derivatives are different but the same sings
changes its sign
partial derivatives are the same but have different signs
partial derrivatives are the same
Pytanie 20
covariation is
a measure of stationery of random process
a measure of dependence for one random variable in different moments of time
a measure of dependence for one random variable in different moments of frequency
a measure of dependence between two random variable
Pytanie 21
Representation of the dirac function in frequency domain is
horizontal line
sinusoidal function
vertical line
diagonal line
Pytanie 22
Vibrations tends to occur in case of systems working as
critical damped
modal damped
underdamped
overdamped
Pytanie 23
In the signal quantization process it is important that
none of the above
the frequency resolution of the signal spectrum was adequate
the quantization level was matched to the signal amplitude range
the number of bits was a multiple of the sampling frequency
Pytanie 24
The jitter phenomenon occurs when
samples are not collected at ideally the same intervals
the frequency of the signal changes
the amplitude of the signal is too high
the filtration process was not carried out properly
Pytanie 25
The signal is
none of the above
carrier of the information
mathematical function
one-dimentional data collection in time domain
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