Understanding Surveillance Technologies: Spy Devices, Their Origins & Applications
Julie K. Petersen · 2000
INTRODUCTION. Introduction and Overview. Acoustic Surveillance. Audio. Infra/Ultrasound. Sonar. Electromagnetic Surveillance. Radio. Radar. Infrared. Visual. Aerial. Ultraviolet. X-Rays. CHEMICAL AND BIOLOGICAL SURVEILLANCE. Chemical. Biometrics. Animals. Genetics. MISCELLANEOUS SURVEILLANCE. Magnetic. Cryptologic. Computer.