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13 Cards in this Set
- Front
- Back
What is LTI system? |
Linear, time-invariant system (LTI-system)
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Which transformation can be used to analyze a periodic analog signal? |
Fourier series |
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Which transformation can be used to analyze a non-periodic analog signal? |
Fourier transformation |
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How do you call the probability that a random variable is below a defined threshold? |
Cumulative distribution function |
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How do you call the probability that a random variable is in a certain value interval? |
Probability density function |
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How do we calculate Joint distribution function and Joint probability density function? |
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How do we calculate expected value? |
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What is ACF and how do we calculate it? |
Autocorrelation is the cross-correlation of a signal with itself. |
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Properties of the Fourier transform |
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What are the advantages and disadvantages of digital compared to analog signals? |
Advantages: |
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Which transformation can be used to analyze a non-periodic discrete signal? |
Fourier transform of a discrete signal |
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Which transformation can be used to analyze a periodic discrete signal? |
Discrete Fourier Transform (DFT) |
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What is speech signal distribution like? |
Combination of Gauss and Laplace distribution
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