by admin | Jun 7, 2015 | sem3
Analog and Digital Communication Notes UNIT I- ANALOG COMMUNICATION ADC unit 1 notes UNIT II- DIGITAL COMMUNICATION ADC Unit 2 Notes UNIT III- DATA AND PULSE COMMUNICATION UNIT IV- SOURCE AND ERROR CONTROL CODING UNIT V- MULTI-USER RADIO COMMUNICATION ADC Unit...
by admin | Jun 7, 2015 | sem3
Client server technology Definition of Cient-Server: A client is defined as a requester of services and a server is defined as the provider of services. A single machine can be both a client and a server depending on the software configuration.Client-server software...
by admin | Jun 7, 2015 | sem3
THEORY OF FREQUENCY AND PHASE MODULATION: Frequency modulation: The process of changing the frequency of the carrier signal in accordance with the modulating signal transmitted, keeping the amplitude and phase of the carrier wave unchanged is known as frequency...
by admin | Jun 7, 2015 | sem3
Evolution and Description of SSB techniques Single side band suppressed carrier: (SSB-SC) In SSB-SC any one of the unwanted side band is suppressed along with the carrier signal. Since DSB-FC consumes more power as both the side bands are transmitted and the same...
by admin | Jun 7, 2015 | sem3
Amplitude Modulation Theory The process of changing the amplitude of the carrier signal in accordance with the modulating signal transmitted, keeping the frequency and phase of the carrier wave unchanged is known as amplitude modulation. Representation of AM wave: The...
by admin | Jun 7, 2015 | sem3
Needs for Modulation NEED FOR MODULATION 1) TO REDUCE THE ANTENNA HEIGHT 2) TO MULTIPLEX THE MORE NUMBER OF SIGNALS 3) TO REDUCE THE NOISE & DISTORTIONS 4) TO NARROW BANDING THE SIGNAL 5) TO REDUCE EQUIPMENT COMPLEXITY In simple terms, modulation is required to...