PERFORMANCE OF OFFSET QUADRIPHASE SPREAD-SPECTRUM MULTIPLE-ACCESS COMMUNICATIONSGARBER FD; PURSLEY MB.1981; IEEE TRANS. COMMUN.; ISSN 0090-6778; USA; DA. 1981; VOL. 29; NO 3; PP. 305-314; BIBL. 10 REF.Article

FALSE LOCK PERFORMANCE OF QUADRIPHASE RECEIVERSSIMON MK.1979; I.E.E.E. TRANS. COMMUNIC.; USA; DA. 1979; VOL. 27; NO 11; PP. 1660-1670; BIBL. 10 REF.Article

QPSK SYSTEM ERROR RATE PERFORMANCE.YAMAMOTO H; MORITA K; KOMAKI S et al.1977; REV. ELECTRIC. COMMUNIC. LAB.; JAP.; DA. 1977; VOL. 25; NO 5-6; PP. 515-526; BIBL. 10 REF.Article

Steady-state analysis of the carrier synchronizer for QPSK signalsZHI-HE QIU; CASSARA, F. A.International journal of electronics. 1988, Vol 65, Num 6, pp 1085-1103, issn 0020-7217Article

256-QAM modem performance in distorted channelsKUANG-TSAN WU; FEHER, K.IEEE transactions on communications. 1985, Vol 33, Num 5, pp 487-491, issn 0090-6778Article

A simplified two-stage equalizer with a reduced number of multiplications for data transmission over voiceband telephone linksWESOLOWSKI, K; PROAKIS, J. G.IEEE journal on selected areas in communications. 1984, Vol 2, Num 5, pp 731-742, issn 0733-8716Article

ERROR PROBABILITY PERFORMANCE OF UNBALANCED QPSK RECEIVERSSIMON MK.1978; I.E.E.E. TRANS. COMMUNIC.; USA; DA. 1978; VOL. 26; NO 9; PP. 1390-1397; BIBL. 15 REF.Article

MSK AND OFFSET QPSK MODULATION WITH BANDLIMITING FILTERSPRABHU VK.1981; IEEE TRANS. AEROSP. ELECTRON. SYST.; ISSN 0018-9251; USA; DA. 1981; VOL. 17; NO 1; PP. 2-8; BIBL. 27 REF.Article

INFLUENCE OF MULTIPATH FADING IN 4PHI -C.P.S.K. SYSTEMSCUNG TT; LECOURS M; HUYNH HT et al.1980; ELECTRON. LETT.; ISSN 0013-5194; GBR; DA. 1980; VOL. 16; NO 19; PP. 733-734Article

QUADRATURE OVERLAPPED RAISED-COSINE MODULATIONAUSTIN MC; CHANG MU.1981; IEEE TRANS. COMMUN.; ISSN 0090-6778; USA; DA. 1981; VOL. 29; NO 3; PP. 237-249; BIBL. 12 REF.Article

METHODE DE FORMATION DU SIGNAL EN MODULATION DE PHASE DIFFERENTIELLE QUADRIVALENTEGRIGOR'EV BG; KURITSYN SA; NECHAEV VM et al.1978; EHLEKTROSVYAZ'; S.S.S.R.; DA. 1978; NO 1; PP. 52-55; BIBL. 6 REF.Article

A LINEAR 4-LEVEL P.S.K. MODULATOR OF A NEW CONFIGURATIONBAKER DW; ROBINSON PF.1978; MARCONI REV.; GBR; DA. 1978; VOL. 41; NO 210; PP. 129-135; BIBL. 2 REF.Article

Performance of MSK spread spectrum systemsJOHNSTON, G.Proceedings of the IEEE. 1983, Vol 71, Num 8, pp 1012-1013, issn 0018-9219Article

A quadraphase modulator for proton-detected ¹H-X correlation spectroscopyDYKSTRA, R. W; MARKHAM, G. D.Journal of magnetic resonance. 1987, Vol 71, Num 3, pp 544-549, issn 0022-2364Article

60-GHz integrated-circuit high data rate quadriphase shift keying exciter and modulateurGROTE, A; CHANG, K.IEEE transactions on microwave theory and techniques. 1984, Vol 32, Num 12, pp 1663-1667, issn 0018-9480Article

Performance of SQAM systems in a nonlinearly amplified multichannel interference environmentSEO, J.-S; FEHER, K.IEE proceedings. Part F. Communications, radar and signal processing. 1985, Vol 132, Num 3, pp 175-180, issn 0143-7070Article

Robust quadri-phase audio watermarkingYAN, F; JI, B; ZHANG, D et al.Acoustical science and technology. 2004, Vol 25, Num 1, pp 106-108, issn 1346-3969, 3 p.Article

Implementation of an experimental modem for cellular mobile radio channelsSMITH, S. D; CLARK, A. P; BRENT, J. B et al.Journal of the Institution of Electronic and Radio Engineers. 1987, Vol 57, Num 6, pp S287-S292, issn 0267-1689, supplArticle

Séparation d'une porteuse cohérente lors d'une modulation quadriphaseDOLGOV, V. I; KROKHMAL, S. I.Radiotehnika i èlektronika. 1988, Vol 33, Num 6, pp 1192-1198, issn 0033-8494Article

MSK and offset QPSK signal transmissions through nonlinear satellite channels in the presence of intersymbol interferenceEKANAYAKE, N.IEE proceedings. Part F. Communications, radar and signal processing. 1983, Vol 130, Num 6, pp 513-518, issn 0143-7070Article

A PRACTICAL OPTIMIZATION APPROACH FOR QPSK/TDMA SATELLIT CHANNEL FILTERINGDEVIEUX C JR; JONES ME.1981; IEEE TRANS. COMMUN.; ISSN 0090-6778; USA; DA. 1981; VOL. 29; NO 5; PP. 556-566; BIBL. 16 REF.Article

TRACKING PERFORMANCE OF UNBALANCED QPSK DEMODULATORS: PART II - BIPHASE COSTAS LOOP WITH ACTIVE ARM FILTERSSIMON MK.1978; I.E.E.E. TRANS. COMMUNIC.; USA; DA. 1978; VOL. 26; NO 8; PP. 1157-1166; BIBL. 2 REF.Article

1.6-GB/S 16-LEVEL SUPERPOSED APSK MODEM WITH BASEBAND SIGNAL-PROCESSING COHERENT DEMODULATORWASHIO M; SHIMAMURA T; KOMIYAMA N et al.1978; I.E.E.E. TRANS. MICROWAVE THEORY TECH.; USA; DA. 1978; VOL. 26; NO 12; PP. 945-951; BIBL. 9 REF.Article

CARRIER SYNCHRONIZATION TECHNIQUES FOR UNBALANCED QPSK SIGNALS-PART IIBRAUN WR; LINDSEY WC.1978; I.E.E.E. TRANS. COMMUNIC.; USA; DA. 1978; VOL. 26; NO 9; PP. 1334-1341; BIBL. 4 REF.Article

HIGH-RELIABILITY DATA TRANSMISSION TO MOBILE VEHICLESEDWARDS JR.1978; RADIO ELECTRON. ENGR; GBR; DA. 1978; VOL. 48; NO 6; PP. 285-292; BIBL. 11 REF.Article