What is Deterministic Signal?
A deterministic signal is a type of signal that follows a predictable pattern over time. This means that if you were to observe the signal at different points in time, you would be able to predict its future values based on its past values. Deterministic signals are often used in engineering and scientific applications, as they can be accurately modeled and analyzed using mathematical techniques.
What is Random Signal?
A random signal, on the other hand, is a type of signal that exhibits random or unpredictable behavior. This means that it is not possible to accurately predict the future values of the signal based on its past values. Random signals are often used in statistical analysis and communication systems, as they can be used to model real-world phenomena that exhibit unpredictable behavior.
Major key difference between Deterministic Signal and Random Signal: One key difference between deterministic signals and random signals is that deterministic signals are often easier to analyze and model, as their behavior is predictable and follows a known pattern. Random signals, on the other hand, can be more difficult to analyze and model, as their behavior is random and does not follow a predictable pattern.
Diagram of Deterministic Signal and Random Signal:
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Difference between Deterministic Signal and Random Signal:
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| SR. NO. | PARAMETER | DETERMINISTIC SIGNAL | RANDOM SIGNAL |
|---|---|---|---|
| 1 | Explanation | A deterministic signal is a signal that is completely determined and predictable. It follows a fixed pattern and can be accurately reproduced. | A random signal is a signal that does not follow a fixed pattern and is not predictable. It is characterized by a lack of order or regularity, and its values cannot be accurately reproduced. |
| 2 | Predictability | Deterministic signals are completely determined and predictable. | Random signals are not. |
| 3 | Pattern | Deterministic signals have a definite and fixed pattern. | Random signals are not. |
| 4 | Amplitude | Deterministic signals have a well-defined amplitude. | Random signals are not. |
| 5 | Phase | Deterministic signals have a well-defined phase. | Random signals are not. |
| 6 | Frequency | Deterministic signals have a well-defined frequency. | Random signals are not. |
| 7 | Period | Deterministic signals have a well-defined period. | Random signals are not. |
| 8 | Wavelength | Deterministic signals have a well-defined wavelength. | Random signals are not. |
| 9 | Duty Cycle | Deterministic signals have a well-defined duty cycle. | Random signals are not. |
| 10 | Pulse Width | Deterministic signals have a well-defined pulse width. | Random signals are not. |
| 11 | Rise Time | Deterministic signals have a well-defined rise time | Random signals are not. |
| 12 | Fall Time | Deterministic signals have a well-defined fall time. | Random signals are not. |
| 13 | Accuracy | Deterministic signals can be accurately reproduced. | Random signals are not. |
| 14 | Example | Examples of deterministic signals include sinusoidal signals, square waves, and triangular waves. | Examples of random signals include white noise and certain types of communication signals. Random signals are often used in statistical analysis and probability theory to model processes that exhibit random behaviour. |
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