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LE PHENOMENE DE L'ECHO DANS LES RESEAUX DE TELECOMMUNICATIONSERDREICH M.1981; COMMUT. TRANSM.; ISSN 0242-1283; FRA; DA. 1981; VOL. 3; NO 4; PP. 5-18; BIBL. 14 REF.Article

A CMOS PIPELINED SINGLE CHANNEL DIGITAL ECHO CANCELLERMITCHLER DW; ELMASRY MI.1981; IEEE J. SOLID-STATE CIRCUITS; ISSN 0018-9200; USA; DA. 1981; VOL. 16; NO 4; PP. 377-379; BIBL. 7 REF.Article

ECHO ACOUSTIQUE DANS UN LIQUIDE MAGNETIQUEPOLUNIN VM; IGNATENKO NM; LAZARENKO VM et al.1981; MAGN. GIDRODIN.; ISSN 0025-0015; SUN; DA. 1981; NO 2; PP. 129-131; BIBL. 5 REF.Article

SUPPRESSEUR D'ECHO ET ANNULEUR D'ECHO POUR CIRCUITS TELEPHONIQUESLEVY M; PINACAUD E; SOURGENS J et al.1981; COMMUT. TRANSM.; ISSN 0242-1283; FRA; DA. 1981; VOL. 3; NO 4; PP. 19-30; BIBL. 6 REF.Article

ANNULEUR D'ECHO A 30 VOIES ASSOCIE AUX AUTOCOMMUTATEURS TEMPORELSHOUDARD JP; JEANNOT C; PATTE P et al.1981; COMMUT. TRANSM.; ISSN 0242-1283; FRA; DA. 1981; VOL. 3; NO 4; PP. 31-38; BIBL. 8 REF.Article

EFFECT OF ECHO CANCELER ON COMMON-CHANNEL INTEROFFICE SIGNALING CONTINUITY CHECKFANG GS.1981; BELL. SYST. TECH. J.; ISSN 0005-8580; USA; DA. 1981; VOL. 60; NO 7; PART. 1; PP. 1313-1334Article

ECHOGENICITY: ANALYSIS, SIGNIFICANCE, AND MASKINGKURTZ AB; DUBBINS PA; RUBIN CS et al.1981; AM. J. ROENTGENOL.; ISSN 0092-5381; USA; DA. 1981; VOL. 137; NO 3; PP. 471-476; BIBL. 14 REF.Article

STRUCTURE AND APPARENT DISPERSION OF BALLISTIC PLASMA WAVE ECHOES OF SECOND ORDERLEPPERT HD; SCHLUTER H; WIESEMANN K et al.1981; PLASMA PHYS.; ISSN 0032-1028; GBR; DA. 1981; VOL. 23; NO 11; PP. 1057-1073; BIBL. 13 REF.Article

ANALYSIS OF THE STEADY-STATE PERFORMANCE INADAPTIVE ECHO CANCELERS WITH CORRELATED DATA AND CORRELATED RECEIVED SIGNALPRABHAKARA RAO CVK.1981; IEEE TRANS. ACOUST. SPEECH SIGNAL PROCESS.; ISSN 0096-3518; USA; DA. 1981; VOL. 29; NO 6; PP. 1222-1225; BIBL. 7 REF.Article

ATTENUATION AND DISPERSION COMPENSATION VIA CEPSTRAL PROCESSINGCHEN CS; ROEMER LE.1981; IEEE TRANS. ACOUST. SPEECH SIGNAL PROCESS.; ISSN 0096-3518; USA; DA. 1981; VOL. 29; NO 5; PP. 1080-1084; BIBL. 13 REF.Article

A ONE-CHIP AUTOMATIC EQUALIZER FOR ECHO REDUCTION IN TELETEXTVOORMAN JO; SNIJDER PJ; BARTH PJ et al.1981; IEEE TRANS. CONSUM. ELECTRON.; ISSN 0098-3063; USA; DA. 1981; VOL. 27; NO 3; PP. 512-529; BIBL. 16 REF.Article

Active perturbation of dust-associated electron irregularities in the earth's mesosphere : Discrete-charging effectsCHEN CHEN; SCALES, Wayne.IEEE transactions on plasma science. 2007, Vol 35, Num 3, pp 731-735, issn 0093-3813, 5 p.Article

HIGH PREDICTIVE ACCURACY FOR DETECTION OF LEFT MAIN CORONARY ARTERY DISEASE BY ANTILOG SIGNAL PROCESSING OF TWO-DIMENSIONAL ECHOCARDIOGRAPHIC IMAGESFRIEDMAN MJ; SAHN DJ; GOLDMAN S et al.1982; AM. HEART J.; ISSN 0002-8703; USA; DA. 1982; VOL. 103; NO 2; PP. 194-201; BIBL. 22 REF.Article

CHARACTERISATION OF IN VIVO PLACENTAL ULTRASONIC IMAGES USING DIGITAL TECHNIQUES, A PRELIMINARY REPORTALMOND DC; PRYCE WIJ.1982; ULTRASOUND MED. BIOL.; ISSN 0301-5629; GBR; DA. 1982; VOL. 8; NO 1; PP. 29-39; BIBL. 14 REF.Article

Achieving pulse-echo overlap with scopes having no intensity modulationPATHAK, L; PALANISAMI, K.Review of scientific instruments. 1986, Vol 57, Num 1, pp 123-124, issn 0034-6748Article

Echo-planar spin-echo and inversion pulsesPAULY, J; SPIELMAN, D; MACOVSKI, A et al.Magnetic resonance in medicine. 1993, Vol 29, Num 6, pp 776-782, issn 0740-3194Article

Development of a small audio conference equipment 'EC-10' with a high performance echo cancelerMURATA, K; MIZOKAMI, S; OIDE, K et al.NTT review. 1995, Vol 7, Num 6, pp 85-88, issn 0915-2334Article

Discrete algorithms for compensating electrical echo in telephone channelsTSYBULIN, M. K; LAM, K. K; NGUEN, L. T et al.Telecommunications & radio engineering. 1993, Vol 48, Num 4, pp 32-35, issn 0040-2508Article

Generalized perturbation theory of coherent optical emissionMITSUNAGA, M; BREWER, R. G.Physical review. A, General physics. 1985, Vol 32, Num 3, pp 1605-1613, issn 0556-2791Article

A physical model-based analysis of heterogenous environments using sonar-ENDURA methodBOZMA, Ö; KUC, R.IEEE transactions on pattern analysis and machine intelligence. 1994, Vol 16, Num 5, pp 497-506, issn 0162-8828Article

Anomalous echoes in quantum systemsBUSIELLO, G; SABUROVA, R. V; VAGAPOVA, F et al.Solid state communications. 1997, Vol 101, Num 6, pp 459-462, issn 0038-1098Article

Corrélation espace-temps d'impulsions optiques cohérentes dans le phénomène d'écho de photonELYUTIN, S. O; ZAKHAROV, S. M; ZIJKOV, V. A et al.ZETF. Pis′ma v redakciû. 1985, Vol 88, Num 2, pp 401-416, issn 0044-4510Article

First experimental evidence for quantum echoes in scattering systemsDEMBOWSKI, C; DIETZ, B; FRIEDRICH, T et al.Physical review letters. 2004, Vol 93, Num 13, pp 134102.1-134102.4, issn 0031-9007Article

Unified theory of photon echoes: the passage from inhomogeneous to homogeneous line broadeningLORING, R. F; MUKAMEL, S.Chemical physics letters. 1985, Vol 114, Num 4, pp 426-429, issn 0009-2614Article