DIGITAL SATELLITE TELEVISION

• Because of merits of processing signals in digital form, digital satellite transmission and reception of TV signal is now common.

• DIGITAL SATELLITE TRANSMISSIONTHE four stage of digital SATELLITE

TRANSMISSION are1) Signal encoding . 3) modulation2) Processing 4) Transmission

Signal processing

• The three stages of signal processing are• Data compression• Encryption• Packetising

Simplified uplink setup of a digital TV Transmitter

A simplified block schematic of a digital broadcast receiver decoder