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Security issiues in VOIP Applications

INTRODUCTION The evolution in the networks & internet has increased different types of applications. One such application is VOIP which has become an alternative to traditional telephone network (public switched telephone network, or PSTN) offering versatile, flexible & economical speech communication. The PSTN of course, is not invulnerable to security breaches. Some of the earliest [...]

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High Speed Infrared Cameras Enable Demanding Thermal Imaging Applications

Introduction 1.0 Infrared Spectral Sensitivity Bands 2.0 Image Resolution and Field-of-View 2.1 Detector arrays and pixel sizes 2.2 Infrared lens characteristics 3.0 High Speed Camera Features 3.1 Short exposure times 3.2 High frame rates 3.3 Dynamic range expansion 3.4 Event triggering 3.5 Calibration: Non-uniformity correction and radiometry 4.0 Infrared Camera Applications IR Inspection in Design,Test [...]

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