Question
What is the relationship between symbol rate and baud?
Answer Options
- A) They are the same
- B) Baud is twice the symbol rate
- C) Baud rate is half the symbol rate
- D) The relationship depends on the specific code used
Correct Answer: A
Explanation
The term Baud is derived from the name of Emile Baudot. It is the international unit of symbol rate in digital communication systems. The Baud rate measures the speed at which the waveform changes state, which is the basic unit of information flow.
Therefore, the relationship between symbol rate and baud is that they are the same. The unit of Baud is defined as symbols per second. While the bit rate (bits per second) may differ from the symbol rate (Baud) in advanced modulation schemes, the terms ‘symbol rate’ and ‘Baud’ refer to the same physical event (the number of times the \text{RF} carrier changes its state of amplitude, frequency, or phase) per second.
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