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Digital Signal Processing - COPIA FEITA > DSP First Overview Questions > Flashcards

DSP First Overview Questions Flashcards

1
Q

Name the two types filters that can be designed using DSP techniques

A

Recursive and non recursive filters

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2
Q

What are the impulse functions : What does this mean?

A

b

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3
Q

What are the impulse functions : How do they relate?

A

c

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4
Q

What are the impulse functions : What actually are they? (List them)

A

d

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5
Q

What does LTI Stand for?

A

Linear Time Invariant

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6
Q

State and describe the application of: Step response

A

f

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7
Q

State and describe the application of: Impulse response

A

g

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8
Q

State the convolution sum

A

h

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9
Q

Describe the transients in LTI Processors and its applications and implications

A

j

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10
Q

State the difference equations used in Time Domain Analysis

A

i

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11
Q

What is Time domain Analysis?

A

j

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12
Q

What is Time domain Analysis? Why is it useful?

A

k

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13
Q

What is Time domain Analysis? How did it come about?

A

l

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14
Q

What is Time domain Analysis?What are its applications?

A

m

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15
Q

What is Time domain Analysis? When/how is it used on sight?

A

n

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16
Q

Describe the use case for a discrete Fourier series

A

o

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17
Q

What is the Spectra of periodic Series?

A

p

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18
Q

What are the properties of the Spectra of periodic Series?

A

q

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19
Q

What are the applications of a discrete Fourier Series?

A

r

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20
Q

What is a Fourier Transform?

A

s

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21
Q

Why are Fourier Transforms useful in Digital Signal Processing?

A

t

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22
Q

State how Fourier Transforms are Derived

A

u

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23
Q

What are the Properties of Fourier Transforms?

A

v

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24
Q

What are the Frequency responses of LTI Processors?

Describe them and their application and use cases

A

w

25
Q

What is a Fourier Transform aperiodic Digital Signal?

What are their properties?
What are their pairs?

A

x

26
Q

In the frequency Domain Analysis:

What is the definition of the Z transform
What are the properties of the Z transform

A

y

27
Q

Describe what a Z Plane is

A

z

28
Q

How do the poles and zeros relate to the Z plane and the Z transform in the frequency Domain Analysis

A

A

29
Q

What are the important characteristics and features in the Z Planes about:

Signals and Systems

A

B

30
Q

What is a Geometric evaluation of a Fourier transform in the Z Plane?

A

C

31
Q

What are nonzero auxiliary conditions?

A

D

32
Q

What are Unilaterial Z-transforms? Applications, desciptions etc..

Pairs of unilateral z-transforms
Properties of unilateral z-transforms

A

E

33
Q

What is a moving average filter?

A

F

34
Q

Describe the four parts of the fourier transform method:

A

G

35
Q

Describe the four parts of the fourier transform method: Basis

A

H

36
Q

Describe the four parts of the fourier transform method: Truncation and Windowing

A

I

37
Q

Describe the four parts of the fourier transform method: The von Hann and Hamming windows

A

J

38
Q

Describe the four parts of the fourier transform method: Kaiser windows

A

K

39
Q

Name and describe the two kinds of simple windows for non recursive filters

A

L

40
Q

Name and describe the three kinds of complex windows for non recurisive filters including:There properties

A

M

41
Q

Name and describe the three kinds of complex windows for non recurisive filters including:The important mathematics behind them

A

N

42
Q

Name and describe the three kinds of complex windows for non recurisive filters including: The adavantages and disadvantages of each other

A

O

43
Q

What is a Equiripple filter?

A

P

44
Q

What are digital differentiators?

A

Q

45
Q

Describe the difference between a recursive filter and a non-recursive filter

A

R

46
Q

Why would you use a recursive filter over a non -recursive filter?

A

S

47
Q

What are the benefits of non-recursive filters?

A

T

48
Q

What are the advantages and disadvantages of recursive filters?

A

U

49
Q

Describe briefly how you would design a recursive filter?

A

V

50
Q

Describe briefly how you would design a non-recursive filter?

A

W

51
Q

Talk through some simple designs based on z-plane poles and zeros

A

Z

52
Q

What is a Z-plane “pole and zero”

A

Y

53
Q

Talk through some of the methodology in deriving filters from analogue designs

A

Y

54
Q

Describe the butterworth filter and its application in DSP as well as its properties

A

Y

55
Q

Describe the Chebyshev filter and its application in DSP as well as its properties

A

Y

56
Q

Time Domain is discrete or continous?

A

X

57
Q

Difference between unilateral and biblateral

A

X

58
Q

best techniques for designing filters?

A

X

Digital Signal Processing - COPIA FEITA (14 decks)

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