View
297
Download
1
Category
Preview:
Citation preview
communication systemAngle modulation: FM & PM &
Spectrum of Angle modulation wave
AL-Nahrain UniversityClass : thirdSemester : first
Name : سعيد جعفرالله عبد
Modulation Concept
• Modulation is the process by which a message or• information-bearing signal is transformed into
another signal to facilitate transmission over a communication channel
• – Requires an auxiliary signal called carrier• – The modulation process is performed to
accomplish several• Objectives
Basic Definitions
Properties of Angle-Modulated Waves
Trade-OFF of Increased TransmissionBandwidth for Improved Noise Performance
Recommended