A. Encoding and decoding signals
Note: You need to embed screenshots of your plots and include
the links generated by sharing your solution from the Desmos online
graph plotting tool (as introduced in the lab and available at:
https://allaplusessays.com/order). Using the images provided to
answer the questions below.
1. Modulation – Analog signals
You need to download your individualized assignment
parameters from Moodle. They contain two sets of encoding tables
and encoded signals, A and B. For each of these, do the
following:
a) Identify the type of encoding (FM, AM, PM, or combinations
of these) and the size (in bits) of each symbol in the
encoding.
b) Draw the constellation diagram for the encoding (except if
the encoding is FM).
c) Draw the wave form for each symbol.
d) Demodulate the given signal (i.e., give the bit sequence
that it represents).
2. Digital encoding
The bit sequence C needs to be transmitted as a digital
signal. Design an encoding, state the encoding rules (as a table),
and plot the digital signal for the encoding schemes below.
a) bipolar non return to zero inverted (NRZI)
b) Manchester encoding
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