digital modulation


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digital modulation

[′dij·əd·əl ‚mäj·ə′lā·shən]
(communications)
A method of placing digital traffic on a microwave system without use of modems, by transmitting the information in the form of discrete phase or frequency states determined by the digital signal.

digital modulation

The altering of a carrier by a digital signal. See modulation and carrier.
References in periodicals archive ?
8 update unleashes more sophisticated signal analysis of common digital modulations present in cellular telecommunications, Internet-of-things (IoT), machine-to-machine (M2M), and other radio applications.
The JESD204A-compliant AD9128 offers high sampling rate and high dynamic range, enabling multicarrier generation up to the Nyquist frequency, and includes features such as an on-chip 32-bit NCO (numerically-controlled oscillator), allowing flexible placement of the IF (intermediate frequency), complex digital modulation, and gain and offset compensation.
Educators can use the NI USRP platform to teach courses and topics such as digital communications, communication system design, antenna theory, digital modulation, wireless communication, software-defined radio, digital signal processing and information theory.
He covers Hamming, Golay and Reed-Muller codes, binary cyclic and BCH codes, nonbinary BCH codes such as Reed-Solomon codes, binary convolutional codes, modifying and combining codes, soft-decision decoding, iteratively decodable codes, and combining codes and digital modulation.
Interest in Doherty amplifiers has grown with increased demand for higher-efficiency systems employing digital modulation formats, such as those used for 3G W-CDMA networks.
16APSK is a digital modulation scheme that conveys data by changing, or modulating, both the amplitude and the phase of a reference signal.
Xiong (Cleveland State University) explains the full range of digital modulation techniques and their practical application to conventional, fixed microwave terrestrial communications, satellite communications, mobile wireless, mobile satellite, and fiber-optic communications.
Scheduled for September 14, 2011, the webcast teaches designers about digital modulation, key RF component parameters, and the challenges of wireless transmission.
Project 25, originated by APCO International, is a set of standards for digital modulation in public safety radio two-way communications.
Partnership Will Deliver Digital Modulation and Demodulation Solutions to World's Largest Digital Cable TV Markets
A member of RT Logic's expanding Telemetrix(R) product line, the T400MSP is now available to system developers, educators, and researchers for digital modulation training and analysis, propagation path effect study, and interference identification.
Transferring high-volume data requires digital modulation capabilities with a high dynamic range.

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