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jam to signal ratio

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  • Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …   Wikipedia

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  • Radio jamming — is the (usually deliberate) transmission of radio signals that disrupt communications by decreasing the signal to noise ratio. Unintentional jamming occurs when an operator transmits on a busy frequency without checking that it is in use first,… …   Wikipedia

  • Grumman F4F Wildcat — F4F Wildcat F4F 3 in non reflective blue gray over light gray scheme from early 1942 Role …   Wikipedia

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  • Loudness war — Different releases of Michael Jackson s song Black or White show increasing loudness over time. The loudness war or loudness race is a pejorative term for the apparent competition to digitally master and release recordings with increasing… …   Wikipedia

  • The Dark Knight (film) — The Dark Knight Theatrical release poster …   Wikipedia

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