Electromagnetic Signals

Electromagnetic Signals deals with the practical applications of nonsinusoidal electromagnetic waves or carrier free radars, ultrawideband technology and large relative bandwidth technology. The book is unique since it deals with a number of current conventional radar problems along with proposed solutions.

List Of Frequently Used Symbols

ix

Introduction

Maxwell's Equations

1

(5)

Electric Monopole Currents

6

(4)

Electric Dipole Currents

10

(8)

Magnetic Dipole Currents

18

(10)

Relativistic Electric Dipole Currents

28

(5)

Relativistic Magnetic Dipole Currents

33

(5)

Electromagnetic Missiles

38

(8)

Reflection and Transmission of Incident Signals

Partial Differential Equations for Perpendicular Polarization

46

(7)

Generalization of Snell's Law for Signals

53

(6)

Reflection of a Step Wave

59

(7)

Reflection of Rectangular Pulses

66

(11)

Partial Differential equations for Parallel Polarization

77

(4)

General Polarization of TEM Waves

81

(6)

Analytic Solution for Cylinder Waves

Cylinder Waves Excited at a Boundary

87

(5)

Magnetic Excitation of Signal Solutions

92

(13)

Associated Electric Field Strength

105

(6)

Electric Excitation Force

111

(12)

Associated Magnetic Field Strength

123

(3)

Transmission of Signals Into Medium 2

126

(6)

Wave Theory of Electromagnetic Missiles

Line Array of Radiators

132

(2)

Pulse Shape Along the Array Axis

134

(5)

Pulse Shape Perpendicular to the Array Axis

139

(4)

Effect of Pulse Duration on Pulse Shape

143

(6)

Variation of the Energy Near the Focusing Point

149

(3)

Signal Propagation and Detection in Lossy Media

Planar Wave Solution in Lossy Media

152

(10)

Signal Distortions

162

(4)

Detection of Distorted Synchronized Signals in Noise

166

(9)

Detection of Distorted Radar Signals in Noise

175

(5)

Electromagnetic Signals in Seawater

180

(7)

Distance Information from Distortions

187

(5)

Radiation of Slowly Varying EM Waves

192

(13)

References and Bibliography

205

(6)

Index

211

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