Howtosignalprocessing
- What are the two main transmission methods of digital signals?
- What is an advantage of transmitting information using digital signals?
- Why are digital signals much more resistant to interference than analog signals?
What are the two main transmission methods of digital signals?
Digital signals can be transmitted over transmission lines using either serial or parallel communication. With serial communication, the sequence of bits used to describe a value is sent in sequence along a single transmission line.
What is an advantage of transmitting information using digital signals?
Digital signals can convey information with less noise, distortion, and interference. Digital circuits can be reproduced easily in mass quantities at comparatively low costs. Digital signal processing is more flexible because DSP operations can be altered using digitally programmable systems.
Why are digital signals much more resistant to interference than analog signals?
Noise Immunity: Digital signals are inherently less susceptible than analog signals to interference caused by noise because with digital signals it is not necessary to evaluate precise amplitude, frequency or phase.
