Digital Communication
Power Spectral Density
The function which describes how the power of a signal got distributed at various frequencies, in the frequency…
September 21, 2021 · Taylor EmmaAuthor: Taylor Emma
A senior editor for The Mars that left the company to join the team of SenseCentral as a news editor and content creator. An artist by nature who enjoys video games, guitars, action figures, cooking, painting, drawing and good music.
Digital Communication
Bipolar Signaling
This is an encoding technique which has three voltage levels namely +, – and 0. Such a signal is called as duo-binary…
September 21, 2021 · Taylor EmmaDigital Communication
Unipolar Return to Zero RZ RZ
In this type of unipolar signaling, a High in data, though represented by a Mark pulse, its duration T0 is less…
September 21, 2021 · Taylor EmmaDigital Communication
Polar Signaling
There are two methods of Polar Signaling. They are − Polar NRZ Polar RZ Polar NRZ In this…
September 21, 2021 · Taylor EmmaDigital Communication
Line Codes
A line code is the code used for data transmission of a digital signal over a transmission line. This process…
September 21, 2021 · Taylor EmmaDigital Communication
Delta Modulation
The sampling rate of a signal should be higher than the Nyquist rate, to achieve better sampling. If…
September 21, 2021 · Taylor EmmaDigital Communication
Spread Spectrum Modulation
A collective class of signaling techniques are employed before transmitting a signal to provide a secure communication, known…
September 21, 2021 · Taylor EmmaDigital Communication
Time Division Multiplexing (TDM)
Definition: A multiplexing technique by which multiple data signals can be transmitted over a common communication channel in…
September 21, 2021 · Taylor EmmaDigital Communication
Quantization Noise and Signal-to-Noise
“The Quantization process introduces an error defined as the difference between the input signal, x(t) and the output…
September 21, 2021 · Taylor EmmaDigital Communication