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širina frekvencionog opsega

A measure of spectrum (frequency) use or capacity. For instance, a voice transmission by telephone requires a bandwidth of about 3000 cycles per second (3KHz). A TV channel occupies a bandwidth of 6 million cycles per second (6 MHz) in terrestrial Systems. In satellite based systems a larger bandwidth of 17.5 to 72 MHz is used to spread or "dither" the television signal in order to prevent interference.

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svemirski šatl

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first ...