خلاصه ماشینی:
"Key Words: Underground Facilities, Geophysics Sensors, Camouflage, Concealment Site Selection of Police Centers in Accordance with Passive Defense Using GIS Software (Case Study: The City of Kazeroon) M.
Key Words: Urban Security, Site Location, Passive Defense, Police Station, Geographic Information System, the City of Kazeroon Landmine Detection by Passive Infrared Thermography Using Image Processing Techniques A.
Key Words: Landmines Detection, Passive Infrared Thermography, Image Processing Techniques, Passive Defense Analysis and Study of Concrete Dike on Vulnerability Mitigation of Fuel Tanks against Explosions A.
Key Words: Steel Fuel Tanks, Blast Load, Passive Defense Spatial Analysis and Site Selection of Urban Gas Stations in Regards to Passive Defense Approach (Case Study: Region 14 of Tehran) H.
Key Words: Site Selection, Urban Gas Stations, Passive Defense, Analytical Hieratical Process Improving MFCC Method for Speaker Recognition in Spying Operations A.
S in Electrical Engineering, Faculty of Electrical Engineering, Tehran Science and Technology - Writer in Charge"/> Abstract In this article, a new method is introduced for extracting features from vocal signals and discriminating speakers, which has a vast application in spy operations and passive defense sciences (for example; not only by using this method, it is possible to prevent the imitation of particular people’s voice such as commanders but also the detection of every speakers’ voice when eavesdropping the place where a number of people are discussing an important matter can be made possible).
Key Words: Spying, Passive Defense, Speaker Recognition, Mel Filter, MFCC Method, Feature Extraction Examining the Methods of Information Compromise and its Countermeasures Techniques M."