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Seismic discrimination. Semiannual technical summary report No. 19, 1 January--30 June 1973

Technical Report ·
OSTI ID:4311660
Progress on both the short- and long-period constituents of the International Seismic Month is reported. Further work on understanding NORSAR's complexities is described. Evidence is given of the impact of lateral heterogeneity within the earth on seismic observations. The first work on evasion and counterevasion problems is described. (auth)
Research Organization:
Massachusetts Inst. of Tech., Lexington (USA). Lincoln Lab.
NSA Number:
NSA-29-024141
OSTI ID:
4311660
Report Number(s):
AD--766559-9; ESD-TR--73-175
Country of Publication:
United States
Language:
English

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Related Subjects

*EARTHQUAKES-- SEISMIC DETECTION
*NUCLEAR EXPLOSION DETECTION-- SEISMIC WAVES
N42510* --Engineering--Nuclear Explosions--Detection Systems
UNDERGROUND EXPLOSIONS