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Flashcards

CPEN 135

calixta keva Cpen 135 midterm Inglês 51 flashcards

Flashcards do conjunto (51)

  1. 1Any physical quantity that varies with time, space, or any other independent variable or variables.Signals
  2. 2Classification of SignalsContinous-Time and Discrete-Time Signals
    Analog and Digital Signals
    Deterministic and Random Signals
    Periodic and Aperiodic Signal
  3. 3often identified as a sequence of numbersDiscrete-Time Signal
  4. 4can also be obtained by sampling a continous-time signalDiscrete-Time Signal
  5. 5the x[n] is called what?samples
  6. 6value of time within a continous rangeContinous-Time Signal
  7. 7a discrete-time signal that can take only a finite number of distinct valuesDigital Signal
  8. 8If a continous-time signal can take on any value in the continous intervalAnalog Signal
  9. 9signal that is completely determined and predictable and it follows a fixed patterndeterministic signal
  10. 10a signal that does not follow fixed pattern and not predictableRandom Signal
  11. 11Physical device that performs an operation on a signal that responds to a stimulus or force.System
  12. 12operation performed on signal by the systemsignal processing
  13. 13process of operation in which the characteristic of Signal amplitude, shape, phase, frequency, etc. undergoes changesignal processing
  14. 14operating by use of discrete signals to represent data in the form of numbersDigital
  15. 15parameter that can be varied in such a way to convey informationSignal
  16. 16series of operation performed according to programmed instructionsProcessing
  17. 17changing or analyzing information which is measured as discrete sequences of numbers.Digital Signal Processing (DSP)
  18. 18Indexed Sequence of real or complex numbersDiscrete-Time Signal
  19. 19the discrete-time signal is represent graphically in the form of _______ plotLollipop
  20. 20function of integer - valued variable is denoted by ______x[n]
  21. 21unit impulse (unit sample) sequence is also called _________Dirac Delta
  22. 22unit step sequence is also called ________Heaviside Function
  23. 23Unit ramp sequence is also called ___________Ramp Function
  24. 24the signal is increases as n increasesRamp Sequence
  25. 25flipped signal is same with the original signalEven Signal
  26. 26flipped signal is the same with the reversed signalOdd Signal
  27. 27y[n] = x[n-k]TIme Shifting
  28. 28x[-n] is what operation on sequenceFlipping/Folding
  29. 29y[n] = x[an]time scaling
  30. 30x[kn]down-sampled signal
  31. 31x[n/k]up-sampled signal
  32. 32new sequence is obtained by inserting k-1 number of zeros between samples, it is called_____expansion
  33. 33new sequence is obtained by sampling x[n] every k-samples, it is called ______Compression
  34. 34limits of the interval depends on the minimum negative integer and maximum positive integer of the given sequenceSignal Addition
  35. 35limits of the interval depends on the maximum negative integer and minimum positive integer of the given sequenceSignal Multiplication
  36. 36Give the each meaning of this Method S F S M AScaling
    Flipping
    Shifting
    Multiplication
    Addition
  37. 37Discrete system is refers to a system that operates on discrete or _____ dataSampled
  38. 38Described as an operator _____ that takes sequence x[n] called _____ and transforms into other sequence y[n] called ______T[.]
    Excitation
    Response
  39. 39What is "T" means in t[x[n]]Transform
  40. 40Discrete System is classified into:Linear System
    Non-Linear system
  41. 41It is a system that if you apply scaled version of an input signal, the output will also be scaled by the same factorLinear system
  42. 42relationship between inputs and outputs is not proportionalNon-linear
  43. 43linear discrete system is denoted as _______L[.]
  44. 44The discrete system is said to be linear if it satisfies __________Superposition Principle
  45. 45This principle states that if you have linear discrete system and you apply multiple input signals to that system separately, the overall response is the sum of the individual responses to each inputSuperposition Principle
  46. 46in this system input-output relationship doesn't vary with time when signal shifted advanced or delayLTI system
  47. 47this is the type of filter that is usually used in DSPKernel
  48. 48it provide impulse response of an LTI system and input relation to their outputConvolution
  49. 49it modifies the signal of the LTI systemImpulse response
  50. 50convolution of two signal produces third signal. State the two signalInput Signal
    Impulse response
  51. 51Properties of ConvolutionCommutative Law
    Associative Law
    Distributive Law

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Descrição
midterm Cpen 135 FlashCards sobre CPEN 135, criado por calixta keva em 20-11-2023.
Criado por
calixta keva
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