ES440563A1 - Filtro de fase perfeccionado. - Google Patents

Filtro de fase perfeccionado.

Info

Publication number: ES440563A1
Authority: ES; Spain
Prior art keywords: phase; noise components; reducing; effects; filter
Prior art date: 1974-08-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

ES440563A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

International Business Machines Corp

Original Assignee

International Business Machines Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1974-08-30

Filing date

1975-08-29

Publication date

1977-06-16

1975-08-29 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1977-06-16 Publication of ES440563A1 publication Critical patent/ES440563A1/es

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Filters That Use Time-Delay Elements (AREA)
Synchronisation In Digital Transmission Systems (AREA)

ES440563A 1974-08-30 1975-08-29 Filtro de fase perfeccionado. Expired ES440563A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7430001A FR2283606A1 (fr)	1974-08-30	1974-08-30	Filtre de phase pour reduire les effets des composantes de bruit affectant les signaux modules en phase par les valeurs discretes

Publications (1)

Publication Number	Publication Date
ES440563A1 true ES440563A1 (es)	1977-06-16

Family

ID=9142781

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES440563A Expired ES440563A1 (es)	1974-08-30	1975-08-29	Filtro de fase perfeccionado.

Country Status (13)

Country	Link
US (1)	US3972000A (es)
JP (1)	JPS51149743A (es)
BR (1)	BR7505573A (es)
CA (1)	CA1042523A (es)
CH (1)	CH580895A5 (es)
DE (1)	DE2536673B2 (es)
ES (1)	ES440563A1 (es)
FR (1)	FR2283606A1 (es)
GB (1)	GB1500587A (es)
IT (1)	IT1041824B (es)
NL (1)	NL7510209A (es)
SE (1)	SE408001B (es)
ZA (1)	ZA754888B (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH604425A5 (es) *	1975-12-31	1978-09-15	Ibm
DE2727874C3 (de) *	1976-06-25	1979-07-12	Cselt-Centro Studi E Laboratori Telecomunicazioni S.P.A., Turin (Italien)	Verfahren und Entzerrer für die nichtlineare Entzerrung von digitalen Signalen
FR2407621A1 (fr) *	1977-10-27	1979-05-25	Ibm France	Procede et dispositif pour determiner l'ecart de phase dans un systeme utilisant la modulation par saut de phase
FR2407616A1 (fr) *	1977-10-27	1979-05-25	Ibm France	Procede et dispositif de mesure de la pente de la caracteristique de temps de groupe d'un canal de transmission et leur application a la selection automatique d'egaliseur
FR2468258B1 (fr) *	1979-10-19	1987-06-26	Cit Alcatel	Circuit de correction des bruits de phase pour un systeme de transmission
GB2134355B (en) *	1983-01-12	1986-03-05	Ncr Co	Circuit for reducing errors in a data receiver
US4672605A (en) *	1984-03-20	1987-06-09	Applied Spectrum Technologies, Inc.	Data and voice communications system
US4893316A (en) *	1985-04-04	1990-01-09	Motorola, Inc.	Digital radio frequency receiver
US5421342A (en) *	1991-01-18	1995-06-06	Mortara Instrument, Inc.	Filter apparatus and method for reducing signal noise using multiple signals obtained from a single source
US5495497A (en) *	1991-09-25	1996-02-27	The United States Of America As Represented By The Secretary Of The Navy	Method and apparatus for suppressing interference from bandspread communication signals
JPH0645515U (ja) *	1992-12-01	1994-06-21	五郎浦壁	弱視者用ライト付き杖
US6238738B1 (en)	1996-08-13	2001-05-29	Libbey-Owens-Ford Co.	Method for depositing titanium oxide coatings on flat glass
DE19731112B4 (de) *	1997-07-19	2009-10-01	Robert Bosch Gmbh	Verfahren und Schaltungsanordnung zur Erkennung von kurzen Impulsen eines digitalen Eingangssignals
JP3190318B2 (ja) *	1999-07-07	2001-07-23	三菱電機株式会社	周波数誤差推定装置および周波数誤差推定方法
AU2001253759B2 (en)	2000-04-24	2006-06-29	Lockheed Martin Corporation	Passive coherent location system and method
WO2002035252A2 (en) *	2000-10-20	2002-05-02	Lockheed Martin Corporation	Civil aviation passive coherent location system and method
ES2334983T3 (es)	2001-05-04	2010-03-18	Lockheed Martin Corporation	Sistema y metodo para la asociacion de datos de dominio de medicion en aplicaciones de localizacion coherente pasiva.
US6703968B2 (en)	2001-05-04	2004-03-09	Lockheed Martin Corporation	System and method for mitigating co-channel interference in passive coherent location applications
EP1384093B1 (en)	2001-05-04	2014-01-15	Lockheed Martin Corporation	System and method for wideband pre-detection signal processing for passive coherent location applications
US6710743B2 (en) *	2001-05-04	2004-03-23	Lockheed Martin Corporation	System and method for central association and tracking in passive coherent location applications
DE60239326D1 (de)	2001-05-04	2011-04-14	Lockheed Corp	System und verfahren zur detektion und merkmalextraktion für passive kohärente ortungsgsanwendungen
US8861627B2 (en) *	2009-07-15	2014-10-14	Fujitsu Limited	Direct mm-wave m-ary quadrature amplitude modulation (QAM) modulator operating in saturated power mode

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2122376B1 (es) *	1971-01-21	1975-01-17	Ibm France
DE2163247C3 (de) *	1971-12-20	1978-03-16	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Vorrichtung zur Beseitigung der in einem Eingangssignal enthaltenen Störsignale
FR2178764B1 (es) *	1972-04-04	1974-08-02	Ibm France

1974
- 1974-08-30 FR FR7430001A patent/FR2283606A1/fr active Granted
1975
- 1975-07-15 US US05/596,557 patent/US3972000A/en not_active Expired - Lifetime
- 1975-07-29 GB GB31635/75A patent/GB1500587A/en not_active Expired
- 1975-07-29 ZA ZA754888A patent/ZA754888B/xx unknown
- 1975-07-31 CA CA232,785A patent/CA1042523A/en not_active Expired
- 1975-08-07 CH CH1030075A patent/CH580895A5/xx not_active IP Right Cessation
- 1975-08-12 IT IT26310/75A patent/IT1041824B/it active
- 1975-08-18 DE DE19752536673 patent/DE2536673B2/de active Granted
- 1975-08-27 JP JP50103116A patent/JPS51149743A/ja active Granted
- 1975-08-28 SE SE7509555A patent/SE408001B/xx not_active IP Right Cessation
- 1975-08-28 NL NL7510209A patent/NL7510209A/xx not_active Application Discontinuation
- 1975-08-29 ES ES440563A patent/ES440563A1/es not_active Expired
- 1975-08-29 BR BR7505573*A patent/BR7505573A/pt unknown

Also Published As

Publication number	Publication date
GB1500587A (en)	1978-02-08
DE2536673A1 (de)	1976-05-13
JPS51149743A (en)	1976-12-22
BR7505573A (pt)	1976-08-03
CA1042523A (en)	1978-11-14
SE408001B (sv)	1979-04-30
JPS566729B2 (es)	1981-02-13
US3972000A (en)	1976-07-27
SE7509555L (sv)	1976-03-01
NL7510209A (nl)	1976-03-02
ZA754888B (en)	1977-03-30
FR2283606B1 (es)	1978-12-29
IT1041824B (it)	1980-01-10
DE2536673B2 (de)	1976-11-11
FR2283606A1 (fr)	1976-03-26
CH580895A5 (es)	1976-10-15

Publication	Publication Date	Title
ES440563A1 (es)	1977-06-16	Filtro de fase perfeccionado.
JPS52141553A (en)	1977-11-25	Demodulation of angle-modulated wave signal
KR830008566A (ko)	1983-12-10	반송파 주파수 또는 위상 변조된 am신호 수신용 수신기
GB1253031A (es)	1971-11-10
GB1506687A (en)	1978-04-12	Undesired signal canceller
US2517618A (en)	1950-08-08	Detector for time modulated pulses
ES418059A1 (es)	1976-04-01	Un multiplicador de frecuencia en guia-onda.
ES363108A2 (es)	1970-12-16	Una disposicion para transmitir senales de informacion en una banda de frecuencias prescrita.
US3271689A (en)	1966-09-06	Demodulator for time modulated signals
GB1171753A (en)	1969-11-26	Phase Coherent Synchronization.
FR2263653A1 (en)	1975-10-03	Television suppression circuit suppresses colour-carrier components - in luminance channel using differential amplifier receiving luminance and vestigial colour-carrier signals
JPS5658335A (en)	1981-05-21	Pll
SU653758A1 (ru)	1979-03-25	Устройство выделени опорного сигнала
JPS5797758A (en)	1982-06-17	Multifrequency signal receiver
US3155773A (en)	1964-11-03	System for synchronously detecting signals in the presence of noise
US2425020A (en)	1947-08-05	Interference reducing radio system
JPS5630351A (en)	1981-03-26	Frequency modulation system
JPS52114255A (en)	1977-09-24	Phase locked loop for demodulating multi-channel record
GB1328558A (en)	1973-08-30	Fm pulse compression system for communicat-ons
SU465708A1 (ru)	1975-03-30	Частотный дискриминатор
JPS53145452A (en)	1978-12-18	Frequency band division filter
GB1268327A (en)	1972-03-29	Improvements in or relating to frequency shift signal transmitters
JPS53102618A (en)	1978-09-07	Direct phase reproducer
GB869353A (en)	1961-05-31	Improvements in or relating to modulating arrangements for frequency or phase modulation communication systems
JPS52152104A (en)	1977-12-17	Multi-frequency signal receiver

Legal Events

Date	Code	Title	Description
1997-12-01	FD1A	Patent lapsed	Effective date: 19971103