مبادئ الاتصالات
نبذة عن المقرر:
مقدمة و نظرة عامة؛ نقل الإشارات عبر القنوات؛ التضمين، تضمين الإتساع؛ خفض التردد ورفعه؛ تضمين التردد والطور؛ الإكثار بتقسيم التردد؛ جهاز الاستقبال؛ الصوت المجسم؛ العينات وتضمين النبضات؛ الاكثار بتقسيم الزمن؛ التضمين الرمزي النبضي؛ التضمين التفاضلي وتضمين دلتا؛ المكررات معيدة التوليد؛ مزايا الاتصالات الرقمية؛ التأشير الثنائي؛ مقدمة للتضمين الرقمي.
كهر 301
المتطلبات السابقة:
السابع
المستوى:
مواضيع المقرر:
Introduction: Historical Notes, Elements of Communication systems,Applications, Primary Communication Resources. System Design Parameters.
Fourier Representation of Signals and Systems: Continues-Time Fourier Transform (CTFT), CTFT properties, Dirac Delta Function, Unit Step function, Fourier Series, Signal Bandwidth (BW), LTI systemresponse, Frequency Response, Correlation, Energy Spectral density,Power Spectral Density.
Amplitude Modulation: Amplitude Modulation (AM), Generation.(Switching Modulator), Detection (Envelop Detector), Double Sideband-Suppressed Carrier (DSB-SC) Modulation, Generation (Product Modulator), Detection (Coherent Detector), Costas Receiver, Quadrature-Carrier Multiplexing, Single-Sideband (SSB) Modulation, Generation (Frequency and Phase Discrimination Methods), Vestigial Sideband (VSB) Modulation, VSB-Shaping Filter, Superheterodyne Receiver, Frequency-
Division Multiplexing (FDM).
Angle Modulation: Phase Modulation (PM), Frequency Modulation (FM),Properties of Angle-Modulated waves, Relationship between PM and FM waves, Narrow-Band FM, Wide-Band FM, BW of FM, Generation and Detection of FM, FM Stereo Multiplexing.
Sampling and Pulse Modulation: Sampling Process, Analog PulseModulation (Pulse-Amplitude Modulation, Pulse-Width Modulation, Pulse-Position Modulation), Quantization Process, Digital Pulse Modulation (Pulse-Code Modulation, Delta Modulation, Differential Pulse-Code Modulation), Line Codes, Time-Division Multiplexing (TDM).
Introduction to Digital Band-Pass Modulation Techniques: Binary Amplitude-Shift Keying (BASK), Binary Phase-Shift Keying (BPSK),Quadriphase-Shift Keying (QPSK), Binary Frequency-Shift Keying (BFSK).