QA
Abbreviation for quality assurance.
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QAM
Abbreviation for quadrature amplitude modulation.
QC
Abbreviation for quality control.
QCI
QoS Class Identifier
QCIF
Abbreviation for quarter common intermediate format.
QoE
QOS
QOSM
Quality of Service Management
QPSK
Abbreviation for quadrature phase-shift keying.
QRS
Abbreviation for quasi-random signal. A signal consisting of a bit sequence that approximates a random signal. [T1.201-1989] The unframed QRS (QRSS, QRTS, QRW) for DS1 consists of a PRBS with a 20-stage shift register with a constraint that forces the "put to a one" when the next 14 bits in the sequence would be zeros. The QRS generates every combination… (Read More →)
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