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Pytanie 1
Simplex method has two phases on which adequately
a set of solutions are proposed and then the best is chosen
a set of solutions are proposed and then the best is chosen
necessity condition is checked and then sufficient condition equations are solved
basic feasible solution is provided and then adjusted according to constraints
Pytanie 2
Is it possible to ambiguously identify the second-order inertial system based only on the information about first maximum of step response
no, one must also know the impulse response
yes
no, one must also know the impulse response
yes, but only for the underdamped systems
Pytanie 3
First row of Sobel operator
[-1 -1 -1]
[-1 0 1]
[-1 -1 0]
[-1 -2 -1]
Pytanie 4
A frequency response function is
a special case of the transfer function
a generalization of the something function
a generalization of the transfer function
a generalization of the transmitation function
Pytanie 5
Constraint variation method is based on
calculation of constraints variations
Evaluation of some variables using inequality constraints
calculation of variables variations
Evaluation of some variables using equality constraints
Pytanie 6
Expected value is
A sum of the products of the implementation of the random variable and probability of
A quotient of a random variable and its variance
The module form the probability density multiplied by the variance
A sum of squares of the product of the implementation of the random variable and probability of ....
Pytanie 7
Correlation analysis is
Regression method
Parametric method
Method which is using impulse functions
Non-parametric method
Pytanie 8
Wavelet transform is
representation of the signal in time-frequency domain
a way to prevent a spectrum leakage
representation of the signal in time domain
signal approximation method
Pytanie 9
What is reversed model?
It is when models input is the output of the modeled object
It is when systems arrays are reversed states parameters
It is model described by inertance matrix
It is when systems arrays are reversed parameters arrays
Pytanie 10
Estimator is effective if
it has the smallest variance of all unweighted estimators of the parameters tested
it is at the same time consistent, unbiased
it is equal to measured value
it has the greatest variance of all unweighted estimators of the parameters tested
Pytanie 11
Second order moment of analyzed object
returns orientation of an object
returns area of an object
returns number of pixels along y axis
returns number of pixels along x axis
Pytanie 12
Results of square root function
to brighten a central part of an image
to darken an image
to brighten an image
enlarges edges of an image
Pytanie 13
Which one from below is the correct order of identification process?
estimation, experiment, modeling, verification
modeling, experiment, estimation, verification
experiment, modeling, estimation, verification
verification, experiment, modelling, estimation
Pytanie 14
Order of the Finite Impulse Response is equivalent to
number of filter coefficient
multiplies of the sampling frequency
impulse system
filter type
Pytanie 15
Filters with finite impulse response
can only be low-pass filter
work in the feedback loop
change the phase of the signal non-linearly
linearly change the phase of the signal
Pytanie 16
For a second-order inertial system, the overshoot is a function of
natural frequency and damping coefficient
damped natural frequency
damped natural frequency and damping coefficient
damping ratio
Pytanie 17
Image equalization
mapping which reassigns the intensity values of pixels in the input image such that the output image contatins the same values of intensities
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 various 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
Pytanie 18
Image binearization
converts a true color image into a greyscale 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 greyscale image into a true color image
Pytanie 19
Saddle point is a point where function f(x,y)
partial derivatives are the same but have different signs
partial derivatives are different but the same sings
changes its sign
partial derrivatives are the same
Pytanie 20
covariation is
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 stationery of random process
a measure of dependence between two random variable
Pytanie 21
Representation of the dirac function in frequency domain is
vertical line
sinusoidal function
horizontal line
diagonal line
Pytanie 22
Vibrations tends to occur in case of systems working as
underdamped
critical damped
modal damped
overdamped
Pytanie 23
In the signal quantization process it is important that
the frequency resolution of the signal spectrum was adequate
the quantization level was matched to the signal amplitude range
none of the above
the number of bits was a multiple of the sampling frequency
Pytanie 24
The jitter phenomenon occurs when
the amplitude of the signal is too high
the filtration process was not carried out properly
samples are not collected at ideally the same intervals
the frequency of the signal changes
Pytanie 25
The signal is
mathematical function
carrier of the information
one-dimentional data collection in time domain
none of the above