quadrature modulation

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quadrature modulation [′kwä·drə·chər ‚mäj·ə′lā·shən]

(communications)

Modulation of two carrier components 90° apart in phase by separate modulating functions.

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No references found			The SB7040 IF chip supports a complete L-band to base band solution, including quadrature modulation and demodulation, up and down conversion with image rejection, and very high speed integrated convertors. SpaceBridge Introduces Industry's First Universal Modem Solution by Business Wire This contributes to superior signal-to-noise ratio when transmitting a digitally encoded signal using quadrature modulation techniques such as IBOC DAB. NAUTEL and Lucent Digital Radio Announce Joint Testing of Lucent's ... by Business Wire			quadratic quadratic congruence Quadratic Curve Quadratic Equation Quadratic Form quadratic formula quadratic function quadratic inequality quadratic performance index quadratic polynomial quadratic programming quadratic reciprocity law Quadratic Residue quadratic Stark effect quadratic surd quadratic Zeeman effect quadratojugal quadratrix of Hippias quadratura quadrature quadrature amplifier quadrature amplitude modulation quadrature component quadrature current Quadrature Formulas quadrature modulation quadrature partial-response keying quadrature phase-shift keying quadrel quadrennial quadric cone quadric curve quadric quantic Quadric Surface quadriceps quadriceps femoris quadrics quadricycle quadridentate ligand quadrifores ianuae Quadriga quadrigeminal body Quadrijugatoridae quadrilateral Quadrille quadrille paper Quadrilles of San Martin quadrillion quadrilocular quadrinomial distribution quadripartite			quadrature amplifier Quadrature amplitude modulation Quadrature amplitude modulation Quadrature Amplitude Modulation Phase Shift Keying Quadrature Amplitude-Shift Keying Quadrature Audio Data Modulation Quadrature booster Quadrature booster Quadrature Chaos Shift Keying Quadrature Code Excited Linear Prediction quadrature component quadrature current Quadrature Differential Phase Shift Keying Quadrature Double Sideband Quadrature Elevation Quadrature Encoder Interface Quadrature Error Vector Quadrature formula Quadrature formulas Quadrature Frequency Shift Keying Quadrature Frequency/Phase Modulation Quadrature Generator Quadrature Intermediate Frequency Mixer Quadrature Method of Moments Quadrature mirror filter Quadrature Mirror Filter Bank quadrature modulation Quadrature modulator Quadrature Motor Encoder Quadrature Multipath Monitor Quadrature of an orbit Quadrature of the circle Quadrature of the moon Quadrature Offset Raised Cosine Quadrature Partial Response quadrature partial-response keying Quadrature Partial-Response System Quadrature phase-shift keying Quadrature phase-shift keying Quadrature Power Splitter Quadrature Product Subcarrier Modulation Quadrature Selective Excitation Quadrature Sideband Amplitude Modulation Quadrature Transmit Filter Quadrature Voltage-Controlled Oscillator Quadrature-Phase Local Oscillator Quadrature-Quadrature Phase Shift Keying Quadratus labii superioris Quadratus lumborum Quadrcycles Quadrel Quadrel quadrella

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