Information leakage from optical emanations

J Loughry, DA Umphress - ACM Transactions on Information and System …, 2002 - dl.acm.org
… With inexpensive apparatus, we show it is possible to intercept and read data under realistic
… -pass filter removes a sufficient amount of information from the optical signal that an attacker …

Abridgment of shielding and guarding electrical apparatus used in measurements—General principles

HL Curtis - Journal of the AIEE, 1929 - ieeexplore.ieee.org
Apparatus is guarded against leakage currents which may flow over or through the solid
insulators on which the apparatus is … A cab signal, like a wayside signal, to be of any value as …

Experimental study on leak detection and location for gas pipeline based on acoustic method

L Meng, L Yuxing, W Wuchang, F Juntao - Journal of Loss Prevention in the …, 2012 - Elsevier
… it proves that the disturbing signals can be efficiently removed by the analysis of … leak signals
and disturbing signals and choose the distinct features of leak signals to detect the leakage

Method and apparatus for container leakage testing

JW Kronberg - 1993 - osti.gov
… The output signals from gas chromatograph 38 drive removal means 40, such as an air eject
or solenoid, which removes leaking containers 24 from belt 26 and onto removal conveyor …

Leak detection of complex pipelines based on the filter diagonalization method: robust technique for eigenvalue assessment

A Lay-Ekuakille, C Pariset, A Trotta - Measurement Science and …, 2010 - iopscience.iop.org
… for the complex pipeline, the human vascular apparatus. The … of the liquid, the leak must be
detected and removed. If the … of different sinusoidal signals due to water leakage into a linear …

SmartBall™: a new approach in pipeline leak detection

R Fletcher, M Chandrasekaran - International …, 2008 - asmedigitalcollection.asme.org
… However, the noise of nearby pumps and other apparatus … issues of how the acoustic signal
at a leak would be affected, … the asphalt/concrete street overlay and began to remove the …

[HTML][HTML] Precision adjustable vacuum leaks of gas and vapour microflows for control over leakage of energy objects (brief review)

AL Gusev - Альтернативная энергетика и экология, 2005 - cyberleninka.ru
… fast-action of the gas analyzing apparatus are increased with it. In … and leakage detector
signal, determines his own leakage … accuracy of the preset heat removed to the environment and …

Leakage current characterization for estimating the conditions of ceramic and polymeric insulating surfaces

S Kumagai, N Yoshimura - IEEE Transactions on Dielectrics …, 2004 - ieeexplore.ieee.org
… the use of digital signal processing. A new method separating the leakage current into the
… this method in actual power systems and apparatuses are not treated here. The usefulness …

[HTML][HTML] A Novel Ultrasonic Leak Detection System in Nuclear Power Plants Using Rigid Guide Tubes with FCOG and SNR

YR Choi, D Yeo, JC Lee, JW Cho, S Moon - Sensors, 2024 - mdpi.com
… frequencies are likely to capture the leak signal. This reduces dependency on specific …
would propagate through the 4.35 mm internal diameter space, and the test apparatus was …

[PDF][PDF] Fundamentals of leak detection

H Rottländer, W Umrath, G Voss - Leybold GMBH (ed) Cat, 2016 - leyboldproducts.fr
apparatus depend on the size of the leaks and on the desired degree of tightness as well as
on whether the apparatus … the signal after spraying a leak in a test object attached to a leak