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Definition of "DS CDMA" |
In telecommunications, direct-sequence spread spectrum (DSSS) is a modulation technique. As with other spread spectrum technologies, the transmitted signal takes up more bandwidth than the information signal that modulates the carrier or broadcast frequency. The name 'spread spectrum' comes from the fact that the carrier signals occur over the full bandwidth (spectrum) of a device's transmitting frequency. Certain IEEE 802.11 standards use DSSS signaling. |
Definition of "DS-CDMA" |
Direct Sequence Code Division Multiple Access, is one of two approaches to spread spectrum modulation for digital signal transmission over the airwaves. In direct sequence spread spectrum, the stream of information to be transmitted is divided into small pieces, each of which is allocated across to a frequency channel across the spectrum. / Radiation hardened is the act of making electronic components and systems resistant to damage or malfunctions caused by ionizing radiation,particle radiation and high-energy electromagnetic radiation, such as those encountered in outer space, high-altitude flight, around nuclear reactors, particle accelerators, during nuclear accidents or nuclear warfare. / direct sequence code division multiple access. See also direct sequence and code division multiple access. |
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