spread spectrum

collocation in English

meaningsofspreadandspectrum

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withspectrum.
spread
noun
uk
/spred/us
/spred/
the development or growth of something so that it covers a larger area or affects a larger number ...
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spectrum
noun[C]
uk
/ˈspek.trəm/us
/ˈspek.trəm/
the set of colours into which a beam of light can be separated, or a range of waves, such as light waves or ...
See more atspectrum

(Definition ofspreadandspectrumfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofspread spectrum

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Today, millions of cordless and cellular phones employ pseudorandom direct-sequencespreadspectrumimplemented with shift register sequences.
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The same data signal is also phase modulated onto the carrier using a 512-bit long pseudorandom sequence (direct-sequencespreadspectrummodulation).
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The radios use direct-sequencespreadspectrumcoding, which is managed by the digital stream into the modulator.
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Spreadspectrumavoids cochannel interference between adjacent cells, since the probability that users in nearby cells use the same spreading code is insignificant.
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The above systems and radio interfaces are based onspreadspectrumradio transmission technology.
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Aspreadspectrumtechnique spreads the bandwidth of the data uniformly for the same transmitted power.
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Spreadspectruminvolves starting a modulation at one frequency, and altering the frequency during its cycle.
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They have been extensively studied for their applications in cryptography, but have also been applied tospreadspectrum, coding theory, and combinatorial design.
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A thin client architecture was adopted in conjunction with aspreadspectrumradio network.
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Some properties of chaotic dynamics, such as complex behaviour, noise-like dynamics (pseudorandom noise) andspreadspectrum, are used to encode data.
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Frequency hopping is a basic modulation technique used inspreadspectrumsignal transmission.
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Spreadspectrumsignals are sent down the wire and then the reflected signal is observed.
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This patent did pre-emptspreadspectrumradio technology, but the frequency-hopping it describes is primarily applied to the radio carrier frequency, not the signal coding.
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As with otherspreadspectrumtechnologies, the transmitted signal takes up more bandwidth than the information signal that modulates the carrier or broadcast frequency.
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The figure shows how aspreadspectrumsignal is generated.
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The specification is based on frequency-hoppingspreadspectrumtechnology.
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Modern secure communication techniques use such methods asspreadspectrummodulation to resist the deleterious effects of jamming.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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