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In telecommunications, direct-sequence spread spectrum (DSSS) is a spread-spectrum modulation technique primarily used to reduce overall signal interference.The direct-sequence modulation makes the transmitted signal wider in bandwidth than the information bandwidth.
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The compressed version of the First Generation DSS was published by the STScI and the Astronomical Society of the Pacific (ASP) on 102 CD-ROMs in 1994, under the name "Digitized Sky Survey." [ 24 ] It has also been made available online by the STScI [ 25 ] [ 26 ] and several other facilities in databases that can be queried over the web.
Sodium trimethylsilylpropanesulfonate (DSS) is the organosilicon compound with the formula (CH 3) 3 SiCH 2 CH 2 CH 2 SO 3 − Na +. It is the sodium salt of trimethylsilylpropanesulfonic acid. A white, water-soluble solid, it is used as a chemical shift standard for proton NMR spectroscopy of aqueous solutions. [1]
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Digital Satellite System is the initialism expansion of the DSS digital satellite television transmission system used by DirecTV. Only when digital transmission was introduced did direct broadcast satellite (DBS) television become popular in North America , which has led to both DBS and DSS being used interchangeably to refer to all three ...
Department of Social Services, another name for Child Protective Services, a government agency in several states Diplomatic Security Service , an agency in the U.S. Department of State Director of Selective Service of the Selective Service System , as in the widely used "Draft Card" in the U.S. during World War II, officially known as DSS Form ...
The Digital Signature Standard (DSS) is a Federal Information Processing Standard specifying a suite of algorithms that can be used to generate digital signatures established by the U.S. National Institute of Standards and Technology (NIST) in 1994.