Preface -- Acknowledgments -- List of Frequently used Acronyms -- 1 Introduction -- 1.1 Scope and Objectives -- 1.2 Structure -- 1.3 Market Needs for Security -- 1.4 Targets inside Containers -- 1.5 Buried Land Mines -- 1.6 Forensic Detection of Buried Bodies -- 1.7 Avalanche and Earthquake Victims -- 1.8 Concealed Humans -- 1.9 Concealed Targets on Humans -- 1.10 Radiological Considerations -- 1.11 Licensing Considerations -- 1.12 Statistics of the Detection Performance of a Sensor -- 1.13 Summary -- 2 Physics of Propagation -- 2.1 Introduction -- 2.2 Propagation of Electromagnetic Fields in Free Space -- 2.2.1 Reactive Fields -- 2.2.2 Near Fields -- 2.2.3 Far Fields -- 2.2.4 Polarization -- 2.2.5 Radar Cross Section -- 2.2.6 Reflection -- 2.2.7 Refraction -- 2.2.8 Brewster Angle -- 2.2.9 Dispersion -- 2.2.10 Anisotropy -- 2.2.11 Clutter -- 2.3 Propagation of Energy in a Dielectric -- 2.3.1 Introduction -- 2.3.2 Velocity in a Dielectric -- 2.3.3 Impedance of a Dielectric -- 2.3.4 Propagation Loss in a Dielectric -- 2.3.5 Coupling Losses into Materials -- 2.4 Dielectric Properties of Soils and Rocks -- 2.5 Propagation in Water -- 2.6 Atmospheric Absorption of Electromagnetic Waves -- 2.6.1 Rain and Fog -- 2.6.2 Dust, Smoke, and Sand Storms -- 2.7 Attenuation of Electromagnetic Fields by Materials -- 2.7.1 Human and Animal -- 2.7.2 Heartbeat -- 2.7.3 Respiration -- 2.7.4 Clothing -- 2.7.5 Construction Materials -- 2.7.6 Explosives -- 2.8 Summary -- 3 Antennas -- 3.1 Introduction -- 3.2 Antenna Parameters -- 3.2.1 Antenna Directivity -- 3.2.2 Antenna Gain -- 3.2.3 Antenna Efficiency -- 3.2.4 Side Lobes and Back Lobes -- 3.2.5 Bandwidth -- 3.2.6 Polarization¿́¿Linear, Elliptical, and Circular -- 3.2.7 Antenna Phase Center -- 3.2.8 Antenna Patterns -- 3.2.9 Time Side Lobes and Ring-down -- 3.2.10 Antenna Footprint -- 3.3 Aperture Antennas -- 3.4 Antennas for Proximal Operation -- 3.4.1 Introduction -- 3.4.2 Coupling Energy into the Ground or a Dielectric -- 3.5 Linear Phase Antennas.

3.5.1 Dipoles -- 3.5.2 Loaded Antennas -- 3.5.3 BiConical Antennas -- 3.5.4 Bow-Tie Antennas -- 3.5.5 Dielectric Road Antennas -- 3.5.6 TEM Horn Antennas -- 3.5.7 Impulse Radiating Antennas -- 3.6 Nonlinear Phase Antennas -- 3.6.1 Vivaldi Antennas -- 3.6.2 Equiangular Antennas -- 3.6.3 Horn Antennas -- 3.7 Antenna Arrays -- 3.8 Summary -- 4 Nuclear Quadrupole Resonance -- 4.1 Introduction -- 4.2 Pulse Sequences -- 4.3 System Design -- 4.3.1 Introduction -- 4.3.2 Transmit-and-Receive Coils -- 4.3.3 Receiver and Coil Considerations -- 4.4 Signal Processing -- 4.5 Detection of Explosives -- 4.6 Land-Mine Detection -- 4.7 Illicit Drugs -- 4.7.1 Cocaine -- 4.7.2 Cocaine Hydrochloride -- 4.7.3 Heroin (Diamorphine) -- 4.8 Summary -- 5 Radar Systems -- 5.1 Introduction -- 5.2 Doppler Radar Systems -- 5.3 Frequency-Domain Radars -- 5.3.1 Introduction -- 5.3.2 Two-Frequency Doppler Radar -- 5.3.3 Stepped Frequency Radar Systems -- 5.3.4 Frequency-Modulated Continuous-Wave Radar -- 5.4 Harmonic Radar -- 5.5 Noise Radar -- 5.6 Spatial Modulation -- 5.7 Amplitude Modulation -- 5.8 Summary -- 6 Passive Systems -- 6.1 Introduction -- 6.2 Principles of Radiometry -- 6.3 Total Power Radiometer -- 6.4 Dicke Radiometer -- 6.5 Minimum Detectable Temperature -- 6.6 Temperature Resolution -- 6.7 Imaging Systems -- 6.8 Summary -- 7 Applications and Technology -- 7.1 Introduction -- 7.2 Physiological Monitoring -- 7.3 Earthquake and Avalanche Radar Systems -- 7.4 Forensic Applications -- 7.5 Through-Wall Radar (TWR) for Surveillance -- 7.6 Harmonic Radar Systems -- 7.7 Land-Mine Detection Radar Systems -- 7.7.1 Handheld Land-Mine Detection Radar Systems -- 7.7.2 Vehicle-Mounted Land-Mine Detection Radar Systems -- 7.8 Radar for General Search Operations -- 7.9 Spatially Modulated Systems -- 7.10 Millimeter-Wave Radar Systems -- 7.11 Summary -- 8 Summary -- References -- Index.