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