quadrature component

quadrature component

[′kwä·drə·chər kəm‚pō·nənt]
(electricity)
A vector representing an alternating quantity which is in quadrature (at 90°) with some reference vector.
References in periodicals archive ?
The Isad, Isbd and Iscd are in-phase components of reference current calculated by multiplying in-phase unit vectors, Ua, Ub and Uc with Ismd * while Isaq, Isbq, Iscq are the quadrature component of the reference current calculated by multiplying quadrature unit vectors Wa, Wb and Wc with Ismq *.
In this work, an IDD scheme that combines non-binary LDPC decoding with CLSIC-LMMSE detection is proposed for coded MU-MIMO system with high order modulation, where the order of in-phase or quadrature component of the quadrature amplitude modulation (QAM) symbol equal to GF order.
Next, a replica signal of the noise is generated by using the noise signal in the quadrature component.
The ellipticity is a good approximation of the ratio of the quadrature component of the vertical secondary magnetic field to the horizontal primary field (Paterson and Ronka, 1971).
It is observed from equation (4) that the system performance is related to the expected signal, the in-phase component of the CCI, and the quadrature component of the CCI.
In the fading channel, since each component of the modulated symbols contains full information of the symbols, the diversity gain is obtained if the fading experienced by the in-phase component and quadrature component are independent.
The communication channel is implemented as an AWGN channel, in which the in-phase and quadrature components of the signal are distorted with a noise of certain power.
Synchronous detection of the resulting fluorescence yields in-phase and quadrature components.
On average, over the constantly changing relative phase between the signal and the interferer, the signal power divides equally between its in-phase and quadrature components.
The received signal and all of its components are complex valued, so for ease we may write the in-phase and quadrature components of the ith received sample as:
To account accurately for those peaks, however, keep in mind that the criterion for envelope constancy is that the sum of the squares of the in-phase and quadrature components is constant.
They achieve 360[degrees] phase adjust capability by splitting the signal into in-phase and quadrature components, attenuating each separately and then recombining them.