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Questions: Classification of signals - 2 Video Lecture | Signals and Systems - Electronics and Communication Engineering (ECE)
FAQs on Questions: Classification of signals - 2 Video Lecture - Signals and Systems - Electronics and Communication Engineering (ECE)
| 1. What are the main types of signals in electronics and communication engineering? |  |
Ans. The main types of signals are analog signals and digital signals. Analog signals are continuous in nature and can take any value within a given range, while digital signals are discrete and represent data in binary form (0s and 1s).
| 2. How can we classify signals based on their time characteristics? | |
Ans. Signals can be classified based on their time characteristics into two categories: continuous-time signals and discrete-time signals. Continuous-time signals are defined for every instant of time, whereas discrete-time signals are defined only at separate intervals of time.
| 3. What is the difference between periodic and aperiodic signals? | |
Ans. Periodic signals are those that repeat their values at regular intervals over time, while aperiodic signals do not exhibit any repeating pattern and do not have a specific period.
| 4. What are deterministic and random signals? | |
Ans. Deterministic signals are signals whose future values can be predicted exactly from their past values, whereas random signals are unpredictable and exhibit randomness, making it impossible to determine their future values accurately.
| 5. How are signals classified based on their amplitude characteristics? | |
Ans. Signals can be classified based on their amplitude characteristics into two types: continuous amplitude signals, which can take any value, and discrete amplitude signals, which can only take on specific values at given intervals.
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