10 Questions
What does PSK stand for in the context of digital modulation?
Phase-Shift Keying
How is the modulation in PSK accomplished?
By varying the sine and cosine inputs at a precise time
What does each phase in PSK encode?
An equal number of bits
What is required for the demodulator in PSK?
To be able to compare the phase of the received signal to a reference signal
What type of system is required for coherent demodulation in PSK?
A system termed coherent
In PSK, how is the modulation accomplished?
By changing the phase of a constant frequency carrier wave
What is the role of the demodulator in PSK?
Determines the phase of the received signal and maps it back to the symbol it represents
What does each phase in PSK encode?
An equal number of bits
What is required for coherent demodulation in PSK?
The receiver to be able to compare the phase of the received signal to a reference signal
What is the main characteristic of a digital modulation scheme like PSK?
Uses a finite number of distinct signals to represent digital data
Test your knowledge of Phase-Shift Keying (PSK) with this quiz! Explore the basics of digital modulation and its applications in wireless LANs, RFID, and Bluetooth communication.
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