Lecture 1 DSP Drei

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1
A function of time or space whose values convey information about a physical or mathematical process
Signal
2
A signal where the independent variable (time or space) is continuous
Analog Signal
3
A signal where the independent time variable is defined only at specific, usually regular intervals
Discrete-time Signal
4
Signals whose amplitude values are defined for all time t over a given period
Continuous-time Signals
5
Signals whose amplitude values are defined only at specific instants of time
Discrete-time Signals
6
Signals with amplitudes that can assume any value within a range
Continuous-valued Signals
7
Signals with amplitudes that can only have values from a finite set of possible values
Discrete-valued Signals
8
Signals that are both continuous-time and continuous-valued
Analog Signals
9
Signals that are both discrete-time and discrete-valued
Digital Signals
10
Signals whose amplitude can be explicitly defined with a mathematical expression
Deterministic Signals
11
Signals with no specific pattern on the occurrence of amplitude values
Random Signals
12
The recommended first step when applying multiple transformations to a signal
Amplitude Scaling
13
The suggested step to perform immediately after Amplitude Shifting
Time Shifting
14
The final step in the suggested sequence for solving signal transformations
Time Reversal
15
The transformation that should be performed fourth in the recommended six-step sequence
Time Shifting
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