Exact(11)
Phase 2 encompassed three main objectives, which were the validation of: reduced visibility in the radio wave, infrared, and visual spectrums and reduced acoustical observability; acceptable flying qualities; and the "modeling capabilities that accurately predict low observable characteristics of an aircraft in flight".
Because our sensor is so close to the surface, the direction of observation and the surface normal are close to perpendicular, leading to a low observable emissivity, so the blackbody radiation emitted by the sea surface will not feature in the signal received at the sensor.
These materials have the additional advantage in military technology of having a low observable (stealth) quality to radar.
We propose a low observable satellite covered by layered materials.
A novel EM (electromagnetic) design of low observable antenna using active hybrid-element frequency selective surface (FSS) as ground plane is presented in this paper for stealth applications.
Various IR signatures from two flame sources were examined in order to evaluate the performance of the OES and verify its usefulness for low observable technology.
Similar(49)
Based on these studies, the doses evaluated spanned the no observable adverse effect level, the lowest observable adverse effect level and the maximum tolerated dose.
Although varying by species, general findings include: (1) most lowest observable adverse effect levels (LOAELs) were determined by reduced maternal gestational weight gain or fetal weight at term.
The lowest observable effect concentration with regard to biliary BaP metabolites (100 ng/L) was much lower than that with reference to EROD activity (1000 ng/L).
The onset of Pi1 ULF waves is delayed longest with respect to the onset of Pi1-2 wates athesese lowest observable latitudes.
This review found that the DNT provided or could provide the point-of-departure for risk assessment by showing the Lowest Observable Adverse Effect Level (LOAEL) in 28 of these studies in relation to other reported end points.
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