Basic Terminology Used in Communication Systems
Bandwidth of Signals
Bandwidth of Transmission Medium
Propagation of Electromagnetic Wave
Modulation and its Necessity
Production of Amplitude Modulated Wave
Detection of Amplitude Modulated Wave
The critical velocity of satellite of mass $$100 kg$$ moving round a planet is $$20 m/s$$. If another satellite of mass $$200 kg$$ is kept moving in the same orbit then its critical velocity will be:
Explain detection of amplitude modulated wave.
The need for doing modulation is :
What is the name of short duration wave?
Mention the functions of any two of the following used in communication system:
(iv) Bandpass Filter