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  2. Single-sideband modulation - Wikipedia

    en.wikipedia.org/wiki/Single-sideband_modulation

    In radio communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of modulation used to transmit information, such as an audio signal, by radio waves. A refinement of amplitude modulation, it uses transmitter power and bandwidth more efficiently.

  3. Sideband - Wikipedia

    en.wikipedia.org/wiki/Sideband

    The power of an AM radio signal plotted against frequency. fc is the carrier frequency, fm is the maximum modulation frequency. In radio communications, a sideband is a band of frequencies higher than or lower than the carrier frequency, that are the result of the modulation process. The sidebands carry the information transmitted by the radio ...

  4. Constellation diagram - Wikipedia

    en.wikipedia.org/wiki/Constellation_diagram

    It displays the signal as a two-dimensional xy-plane scatter diagram in the complex plane at symbol sampling instants. In a manner similar to that of a phasor diagram , the angle of a point, measured counterclockwise from the horizontal axis, represents the phase shift of the carrier wave from a reference phase; the distance of a point from the ...

  5. Product detector - Wikipedia

    en.wikipedia.org/wiki/Product_detector

    The frequency of the local oscillator must be the same as the frequency of the carrier, or else the output message will fade in and out in the case of AM, or be frequency shifted in the case of SSB; Once the frequency is matched, the phase of the carrier must be obtained, or else the demodulated message will be attenuated, but the noise will ...

  6. Independent sideband - Wikipedia

    en.wikipedia.org/wiki/Independent_sideband

    ISB is a compromise between double sideband (DSB) and single sideband (SSB) — the other is vestigial sideband (VSB). If the sidebands are out of phase with each other, then phase modulation (PM) of the carrier occurs. AM and PM together then create quadrature amplitude modulation (QAM). ISB may or may not have the carrier suppressed.

  7. Ozempic ‘microdosing’ is the new weight-loss trend: Should ...

    www.aol.com/news/ozempic-microdosing-weight-loss...

    A new trend gaining popularity among people trying to lose weight is microdosing the diabetes medication Ozempic. Experts weigh the pros and cons of the practice.

  8. Carrier wave - Wikipedia

    en.wikipedia.org/wiki/Carrier_wave

    The frequency spectrum of a typical radio signal from an AM or FM radio transmitter. The horizontal axis is frequency; the vertical axis is signal amplitude or power. It consists of a signal (C) at the carrier wave frequency f C, with the modulation contained in narrow frequency bands called sidebands (SB) just above and below the carrier.

  9. 'It could have been my son': Parents to protest over students ...

    www.aol.com/could-son-parents-protest-over...

    Family members and protesters are set to gather Sunday afternoon at a Cracker Barrel in Maryland, where a group of special education students received what the restaurant later called ...

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