통신실험 결과 12 Unit 11 - Baseband data transmission

목차

1. Ex1. Pseudo-Random Binary Sequences
2. Ex2. Detection of NRZ Signals in Noise
3. Unit Test
4. 고 찰

본문내용

2. Refer to Figure 1-6, and make the following connections:
Install a BNC T-connector on the Input of the Frequency Counter.
Connect the modules as shown
3. Make the following adjustments :
Adjust the horizontal position control on the oscilloscope until the trace begins on the left-most vertical division. The display on the oscilloscope should resemble Figure 1-7.
4. What is the length it bits of the sequence in Figure 1-7?(Enter your answer in the first row of Table 1-2) How many 1’s and 0’s are in each sequence?(Enter your answer in the first row of Table 1-2) Each horizontal division in Figure 1-7 represents 0.1ms. What is the period T of the sequence?

<중 략>

7. Transmission errors occur in a data communications system c. when the noise adds to or subtracts from the signal in such a way that the bit detected is different from the one transmitted.
8. The probability of error per bit b. indicates exactly the number of errors per second.

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