• Thumbnail for Amplitude modulation
    Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting messages with a radio wave. In amplitude...
    35 KB (4,576 words) - 18:52, 10 August 2024
  • Quadrature amplitude modulation (QAM) is the name of a family of digital modulation methods and a related family of analog modulation methods widely used...
    15 KB (1,924 words) - 23:25, 26 July 2024
  • Thumbnail for Pulse-amplitude modulation
    Pulse-amplitude modulation (PAM) is a form of signal modulation where the message information is encoded in the amplitude of a series of signal pulses...
    10 KB (1,094 words) - 17:12, 23 April 2024
  • sideband modulation (VSB, or VSB-AM) Quadrature amplitude modulation (QAM) Angle modulation, which is approximately constant envelope Frequency modulation (FM)...
    25 KB (3,051 words) - 10:28, 19 June 2024
  • Thumbnail for Single-sideband modulation
    radio waves. A refinement of amplitude modulation, it uses transmitter power and bandwidth more efficiently. Amplitude modulation produces an output signal...
    33 KB (4,797 words) - 20:53, 30 July 2024
  • Thumbnail for Frequency modulation
    relation to the modulating signal amplitude. Digital data can be encoded and transmitted with a type of frequency modulation known as frequency-shift keying...
    31 KB (3,937 words) - 20:27, 7 July 2024
  • groups of modulation, amplitude modulation and angle modulation. In amplitude modulation, the angle term is held constant, while in angle modulation the term...
    6 KB (673 words) - 10:10, 25 June 2024
  • Carrierless amplitude phase modulation (CAP) is a variant of quadrature amplitude modulation (QAM). Instead of modulating the amplitude of two carrier...
    4 KB (483 words) - 16:01, 25 April 2024
  • Thumbnail for AM broadcasting
    AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions...
    74 KB (9,170 words) - 13:19, 11 August 2024
  • Thumbnail for In-phase and quadrature components
    A sinusoid with modulation can be decomposed into, or synthesized from, two amplitude-modulated sinusoids that are in quadrature phase, i.e., with a phase...
    13 KB (1,505 words) - 00:25, 17 June 2024