WorksheetsLab Report EXP-2: Communication Signals Introduction
Total questions: 10
Worksheet time: 2mins
Which software is specified as the required material for generating and analyzing communication signals in this lab?
MATLAB
Python with NumPy
Octave
LabVIEW
Simulink
According to the lab objectives, which action is a primary goal when starting this experiment?
Design a complete wireless transceiver
Use MATLAB to generate different signals important in communication theory
Build hardware filters for analog signals
Deploy a real-time embedded system
Calibrate an oscilloscope for RF measurements
In MATLAB, which command places text describing the horizontal axis on a plot?
title('...')
xlabel('...')
ylabel('...')
legend('...')
A discrete-time sequence is best described as which of the following?
A continuously varying signal defined for all real-valued time
A series of values representing a signal at specific, discrete time intervals, typically indexed by an integer
A random noise signal sampled at nonuniform intervals
A continuous-time sinusoid with amplitude scaling
In MATLAB, which command generates a length N random sequence with elements uniformly distributed between 0 and 1?
rand(N,1)
randn(1,N)
rand(1,N)
randi([0,1],1,N)
When plotting sine and cosine on the same graph as specified, what color and marker should be used for the sine wave?
Red line with cross markers
Blue line with circle markers
Green dashed line with squares
Black dotted line with triangles
When generating two random sequences x and y using rand and randn, which labeling is specified for the axes?
x-axis: t, y-axis: Amplitude
x-axis: x, y-axis: sin(x) and cos(x)
x-axis: n, y-axis: Random Values
x-axis: Frequency, y-axis: Magnitude
Which plotting function is specified to visualize the unit impulse sequence?
plot()
stem()
scatter()
bar()
For Homework Task 1 customization, which combination correctly matches wave, color, and marker?
Sine: blue with circle markers; Cosine: red with cross markers
Sine: red with cross markers; Cosine: blue with circle markers
Sine: green with square markers; Cosine: black with triangle markers
Sine: red dashed; Cosine: blue dotted
In Homework Task 1, how should the axes be labeled?
x-axis as x and y-axis as Amplitude
x-axis as n and y-axis as Random Values
x-axis as Frequency and y-axis as Magnitude
x-axis as Time and y-axis as Voltage
