ET-413 Antenna and Wave PropagationTeaching SchemeLectures: 4 Hrs/WeekExamination SchemeTestAssignmentEnd Semester Exam: 20 Marks: 20 Marks: 60 MarksUNIT-IPolarization, Electromagnetic radiation, Wave equation in terms ofelectromagnetic potentials, Radiating source, Short electric dipole, Induction andradiation field, Current distributionUNIT-IIApplication of Short Antenna: Isotropic radiator, Half wave dipole,Field intensity, Radiation pattern, Power density, Power gain, Directivity,Efficiency, Effective length, Effective area, Application of Reciprocity theorem,Antenna impedance, Self impedance, Mutual impedance, Radiation resistance,Front to back ratio, Antenna band width, Antenna beam efficiency, Antennatemperature, Equivalent noise temperatureUNIT-IIIAntenna Arrays: Broadside array, End fire array, Collinear arrays, Arrays of pointsources, Linear arrays with ‘n’ Isotropic point sources, Multification of patterns,Tapering of arrays, Chebychev arrays, Continuous arrays, Rectangular array,Super directivity, Rhombic antenna, Traveling wave antenna, Loop antenna:Direction finding, Errors, Radiation resistance, Directivity, Ferrite rod antenna,Adcock antenna, Crossed loop direction finderUNIT-IVReceiving Antenna: Simple vertical antenna, Yagi-Uda antenna, Biconicalantenna, Corner reflector antenna, Helical antenna, Horn antenna, Slot antenna,Notch antenna, Micro strip or Patch antenna, Turnstile antenna, Super Turnstileantenna, Discone antenna, Log Periodic antenna, Antenna with parabolicreflectors, Lens antenna, Antenna Measurements: Impedance, Radiation pattern,Beam width, Gain, Phase, Radiation resistance, Antenna efficiency, Directivity,Polarization, Noise figure and noise temperature,UNIT-VRadio waves, Propagation in free space, Modes of propagation, Ground Wavepropagation, Sky Wave Propagation: Layers and their characteristics, Effect ofearth’s magnetic field, Maximum usable frequency, Skip distance, Sunspotnumber and sunspot cycle, Fading, Multihop propagation, Virtual height-Criticalfrequency record, Space Wave propagation, Effect of earth’s curvature, Line ofsight distance, Duct propagation, Extended range propagationReference Books:1. F.E.Terman, Electronic and Radio Engineering, McGraw Hill Publications2. K.D.Prasad- Antenna and Wave Propagation, Satya Prakashan, New Delhi06 Hrs08 Hrs08 Hrs10 Hrs08 Hrs20
ET-414 i) Radar and Satellite EngineeringTeaching SchemeLectures: 4 Hrs/WeekExamination SchemeTestAssignmentEnd Semester Exam: 20 Marks: 20 Marks: 60 MarksUNIT-IRadar frequencies, Radar principle, Pulse Radar: Operation, Range equation,Displays, Minimum detectable signal, Receiver noise, Transmitter power, PRF,Unambiguous rangeUNIT-IICW Radar: Doppler effect principle, Receivers, Bank of filters, Sign of radialvelocity, Applications , FM-CW Radar, Altimeter, Multiple frequency CW radar,MTI radar, Delay line canceller, Blind speed, Non-coherent MTI & Pulse Dopplerradar, AMTI, Search radar, Tracking radar, Types of tracking radar, RadarantennaUNIT-IIICommunication satellites, Orbits, Frequency bands, Multiple access formats,Analog modulation, Digital encoding & decoding, Error correction, Digitalthroughput, Links, Propagation loss, Polarization, Antennae, Atmospheric losses,Receiver noise, Carrier to noise ratio, Satellite link analysisUNIT-IVDTH, Satellite cross links, Frequency reuse, Satellite transponder& their details,signal processing, Limitations, Non linear satellite amplifiers, AM/AMconversion, AM/PM conversion, Effect of nonlinear amplification on digitalcarriersUNIT-VFDMA, FDMA carriers, Spectrum, Soft limiting amplifiers, FDMA chanalization,TDMA system, Guard time, Bit timing, Network synchronization, CDMA system,synchronized-non synchronized CDMA, Orthogonal & non orthogonal CDMA,Frequency hopped CDMA,06 Hrs08 Hrs08 Hrs08 Hrs10 HrsReference Books:1. Merrill I. Skolnik, Introduction to Radar Systems, McGraw-Hill International2. Robert M. Gagliardi, Satellite Communication, CBS Publishers & Distributors21