ATE476023T1 - Signalstörungsmessung - Google Patents

Signalstörungsmessung

Info

Publication number
ATE476023T1
ATE476023T1 AT04798612T AT04798612T ATE476023T1 AT E476023 T1 ATE476023 T1 AT E476023T1 AT 04798612 T AT04798612 T AT 04798612T AT 04798612 T AT04798612 T AT 04798612T AT E476023 T1 ATE476023 T1 AT E476023T1
Authority
AT
Austria
Prior art keywords
signal
elements
interference measurement
signal interference
amplitude
Prior art date
Application number
AT04798612T
Other languages
English (en)
Inventor
Michael Richardson
Original Assignee
Bae Systems Plc
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.)
Filing date
Publication date
Application filed by Bae Systems Plc filed Critical Bae Systems Plc
Application granted granted Critical
Publication of ATE476023T1 publication Critical patent/ATE476023T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/267—Phased-array testing or checking devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal
    • H04J3/0608—Detectors therefor, e.g. correlators, state machines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2623—Reduction thereof by clipping
    • H04L27/2624—Reduction thereof by clipping by soft clipping

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radio Transmission System (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Surgical Instruments (AREA)
  • Circuits Of Receivers In General (AREA)
  • Networks Using Active Elements (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Gyroscopes (AREA)
  • Picture Signal Circuits (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT04798612T 2003-11-21 2004-11-19 Signalstörungsmessung ATE476023T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0327041.0A GB0327041D0 (en) 2003-11-21 2003-11-21 Apparatus and methods
PCT/GB2004/004901 WO2005053190A1 (en) 2003-11-21 2004-11-19 Signal interference measurement

Publications (1)

Publication Number Publication Date
ATE476023T1 true ATE476023T1 (de) 2010-08-15

Family

ID=29764162

Family Applications (3)

Application Number Title Priority Date Filing Date
AT04798621T ATE362676T1 (de) 2003-11-21 2004-11-19 Signalregeneration
AT04798616T ATE486418T1 (de) 2003-11-21 2004-11-19 Verbesserung von signalen
AT04798612T ATE476023T1 (de) 2003-11-21 2004-11-19 Signalstörungsmessung

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT04798621T ATE362676T1 (de) 2003-11-21 2004-11-19 Signalregeneration
AT04798616T ATE486418T1 (de) 2003-11-21 2004-11-19 Verbesserung von signalen

Country Status (8)

Country Link
US (5) US7907684B2 (de)
EP (5) EP1685664B1 (de)
AT (3) ATE362676T1 (de)
AU (5) AU2004310537B2 (de)
DE (3) DE602004006530T2 (de)
ES (4) ES2353080T3 (de)
GB (1) GB0327041D0 (de)
WO (5) WO2005053191A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070118361A1 (en) * 2005-10-07 2007-05-24 Deepen Sinha Window apparatus and method
CA2627563C (en) * 2005-11-16 2016-02-23 Telefonaktiebolaget Lm Ericsson (Publ) System for remotely evaluating antenna installation in a radio network
US8369809B2 (en) * 2007-07-27 2013-02-05 Netlogic Microsystems, Inc. Crest factor reduction
US20100182191A1 (en) * 2007-10-12 2010-07-22 Bae Systems Plc Receiver equalisation
CN102119482A (zh) * 2008-06-11 2011-07-06 奥普蒂科伦公司 具有相位优化的波峰因数降低
GB2467773B (en) * 2009-02-13 2012-02-01 Socowave Technologies Ltd Communication system, apparatus and methods for calibrating an antenna array
JP5620757B2 (ja) * 2010-09-01 2014-11-05 株式会社豊田中央研究所 レーダ装置
JP5869682B2 (ja) * 2011-10-21 2016-02-24 オプティス セルラー テクノロジー， エルエルシーＯｐｔｉｓ Ｃｅｌｌｕｌａｒ Ｔｅｃｈｎｏｌｏｇｙ，ＬＬＣ アンテナアレイシステムにおけるアンテナ装置のキャリブレーションのための方法、処理装置、コンピュータプログラム、及びアンテナ装置
WO2015168887A1 (zh) 2014-05-07 2015-11-12 华为技术有限公司 一种相控阵校准方法及相控阵校准电路
WO2016089143A1 (ko) * 2014-12-05 2016-06-09 엘지전자 주식회사 축소된 cp가 적용된 서브프레임 상에서 상향링크 전송을 수행하는 방법 및 사용자 장치
CN106450796B (zh) * 2016-09-07 2020-01-07 四川九洲电器集团有限责任公司 一种阵列天线系统及天线的校准方法
EP3481020B1 (de) * 2017-11-07 2021-09-01 Siemens Aktiengesellschaft Verfahren zur synchronisation von sende- und empfangseinheiten bei mehrträgersignalübertragung
US10734721B2 (en) 2017-11-13 2020-08-04 Loon Llc Beamforming calibration
JP7041744B2 (ja) * 2017-11-13 2022-03-24 ソフトバンク株式会社 ビームフォーミング較正
US10361762B2 (en) 2017-12-06 2019-07-23 Space Systems/Loral, Llc Calibration of satellite beamforming channels
US10284308B1 (en) 2017-12-06 2019-05-07 Space Systems/Loral, Llc Satellite system calibration in active operational channels
US10320349B1 (en) 2017-12-06 2019-06-11 Space Systems/Loral, Llc Multiport amplifier input network with compensation for output network gain and phase frequency response imbalance
US10218549B1 (en) * 2018-01-24 2019-02-26 National Instruments Corporation Wireless radio receiver that performs adaptive phase tracking
US10218548B1 (en) 2018-01-24 2019-02-26 National Instruments Corporation Wireless radio receiver that performs adaptive phase tracking
KR102457566B1 (ko) * 2018-02-22 2022-10-21 한국전자통신연구원 데이터 패킷의 버스트의 길이에 기초하여 변복조를 수행하는 변복조기 및 상기 복조기가 수행하는 방법
US10782331B2 (en) * 2018-06-21 2020-09-22 Rohde & Schwarz Gmbh & Co. Kg Power measurement apparatus
CN112385086B (zh) 2018-07-06 2021-08-20 华为技术有限公司 相控阵天线的校准方法及相关装置
JP7231828B2 (ja) * 2019-04-26 2023-03-02 日本電信電話株式会社 干渉波演算方法、干渉波演算装置及びコンピュータプログラム

Family Cites Families (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754101A (en) * 1971-07-02 1973-08-21 Universal Signal Corp Frequency rate communication system
DE2228069C3 (de) * 1972-06-09 1979-07-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Einrichtung zur Unterdrückung von Störungen bei frequenzmodulierten Signalen
JPS52136527A (en) 1976-05-10 1977-11-15 Matsushita Electric Ind Co Ltd Color demodulator
US4525676A (en) * 1981-02-24 1985-06-25 Nippon Electric Co., Ltd. PSK Demodulation system having carrier frequency variation compensation
US4706174A (en) * 1982-07-29 1987-11-10 Eaton Corporation Single phase to multiphase frequency multiplier
SE460086B (sv) * 1987-11-27 1989-09-04 Ericsson Telefon Ab L M Anordning foer korrigering av frekvensen i en koherent mottagare
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
AU1672992A (en) * 1991-04-22 1992-11-17 Omron Corporation Sealed electromagnetic relay
US5390216A (en) * 1991-11-02 1995-02-14 Robert Bosch Gmbh Synchronization method for a mobile radiotelephone
US5287387A (en) * 1992-03-06 1994-02-15 Motorola, Inc. Low splatter peak-to-average signal reduction
US5367257A (en) * 1992-05-14 1994-11-22 Garshelis Ivan J Non-contact, magnetic sensor for determining direction of motion and velocity of a movable member
US5276706A (en) * 1992-05-20 1994-01-04 Hughes Aircraft Company System and method for minimizing frequency offsets between digital communication stations
US5357257A (en) * 1993-04-05 1994-10-18 General Electric Company Apparatus and method for equalizing channels in a multi-channel communication system
US5442593A (en) * 1993-04-16 1995-08-15 The Charles Stark Draper Laboratory, Inc. Apparatus and method of nulling discrete frequency noise signals
US5490173A (en) * 1993-07-02 1996-02-06 Ford Motor Company Multi-stage digital RF translator
FR2710805B1 (fr) * 1993-09-29 1995-11-10 Alcatel Mobile Comm France Structure de burst de remplissage dans un système cellulaire de radiocommunications numériques utilisant le principe de l'AMRT, et station de base pour l'élaboration d'une telle structure.
JP3337795B2 (ja) * 1993-12-10 2002-10-21 富士通株式会社 中継装置
US6157343A (en) * 1996-09-09 2000-12-05 Telefonaktiebolaget Lm Ericsson Antenna array calibration
GB2291300B (en) 1994-06-20 1997-12-17 Motorola Ltd Communications system
ZA955605B (en) 1994-07-13 1996-04-10 Qualcomm Inc System and method for simulating user interference received by subscriber units in a spread spectrum communication network
US5440265A (en) * 1994-09-14 1995-08-08 Sicom, Inc. Differential/coherent digital demodulator operating at multiple symbol points
US5959580A (en) * 1994-11-03 1999-09-28 Ksi Inc. Communications localization system
US6101399A (en) * 1995-02-22 2000-08-08 The Board Of Trustees Of The Leland Stanford Jr. University Adaptive beam forming for transmitter operation in a wireless communication system
JP3272940B2 (ja) * 1996-03-07 2002-04-08 ケイディーディーアイ株式会社 スペクトル拡散信号復調装置
GB2311697B (en) 1996-03-22 1999-07-28 Matsushita Electric Ind Co Ltd Wireless communication system and method and system for detection of position of radio mobile station
US5974087A (en) * 1996-04-12 1999-10-26 Advantest Corporation Waveform quality measuring method and apparatus
US6047192A (en) * 1996-05-13 2000-04-04 Ksi Inc. Robust, efficient, localization system
US5850218A (en) * 1997-02-19 1998-12-15 Time Warner Entertainment Company L.P. Inter-active program guide with default selection control
US20030186725A1 (en) * 1997-03-18 2003-10-02 Matsushita Electric Industrial Co., Ltd. Calibration apparatus for array antenna radio receiving apparatus
CN1108037C (zh) * 1997-03-18 2003-05-07 松下电器产业株式会社 阵列天线无线电接收装置的校准装置和校准方法
IT1293059B1 (it) 1997-06-24 1999-02-11 Space Engineering Spa Radar bi-statico digitale a spettro espanso
FR2766320B1 (fr) * 1997-07-15 1999-10-15 Thomson Csf Procede et dispositif d'analyse des interferences dans un systeme de radiocommunication cellulaire
WO1999038270A2 (en) 1998-01-22 1999-07-29 British Telecommunications Public Limited Company Receiving spread spectrum signals with narrowband interference
EP0964530A1 (de) * 1998-06-05 1999-12-15 Siemens Aktiengesellschaft Funkübertragungsempfänger und Verfahren zur Interferenzunterdrückung
US6577686B1 (en) * 1998-10-13 2003-06-10 Matsushita Electric Industrial Co., Ltd. Receiver
DE69814081T2 (de) * 1998-10-19 2004-03-18 Lucent Technologies Inc. Iterative Zeitabschätzung für GSM-Bursts
US6373878B1 (en) * 1998-11-02 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Using a fast AGC as part of SIR calculation
US6240290B1 (en) * 1999-03-04 2001-05-29 Harris Corporation Base station hand-off mechanism for cellular communication system
GB2347831B (en) * 1999-03-06 2004-07-07 Nec Technologies Sychronisation in digital data transmission systems
EP1069693B1 (de) * 1999-07-15 2004-10-13 Mitsubishi Denki Kabushiki Kaisha Vorrichtung zum Reduzieren von Rauschen
EP1085676B1 (de) * 1999-09-16 2014-10-22 Alcatel Lucent Verfahren zur Leistungsregelung in einem Punkt-zu-Mehrpunkt Kommunikationsnetzwerk und System zur Durchfürhung des Verfahrens
WO2001028272A1 (en) 1999-10-13 2001-04-19 Koninklijke Kpn N.V. Method and system for finding the position of mobile terminals
US6597730B1 (en) * 1999-11-03 2003-07-22 Northrop Grumman Corporation Satellite communication array transceiver
JP3557969B2 (ja) * 1999-11-24 2004-08-25 日本電気株式会社 無線受信装置およびキャリブレーション方法
FR2802371B1 (fr) * 1999-12-10 2003-09-26 Matra Nortel Communications Procede de signalisation dans un systeme de radiocommunication, emetteurs, recepteurs et repeteurs pour la mise en oeuvre du procede
US6628735B1 (en) * 1999-12-22 2003-09-30 Thomson Licensing S.A. Correction of a sampling frequency offset in an orthogonal frequency division multiplexing system
US7027424B1 (en) * 2000-05-24 2006-04-11 Vtech Communications, Ltd. Method for avoiding interference in a digital communication system
JP3424659B2 (ja) * 2000-06-02 2003-07-07 日本電気株式会社 マルチビーム受信装置
EP1287654B1 (de) * 2000-06-09 2007-01-17 Aware, Inc. Verringerung von funkfrequenzstörungen in mehrträgerübertragungen
US6931292B1 (en) * 2000-06-19 2005-08-16 Jabra Corporation Noise reduction method and apparatus
KR100338661B1 (ko) * 2000-08-18 2002-07-13 윤종용 무선 패킷 데이터시스템의 도먼트상태 관리장치 및 방법
US7366088B2 (en) * 2000-09-12 2008-04-29 Siemens Aktiengesellschaft Method and orthogonal frequency division multiplexing (OFDM) receiver for reducing the influence of harmonic interference on OFDM transmission systems
US6369758B1 (en) * 2000-11-01 2002-04-09 Unique Broadband Systems, Inc. Adaptive antenna array for mobile communication
WO2002045420A1 (en) * 2000-11-29 2002-06-06 Sony Corporation Stream processor
KR100821821B1 (ko) * 2000-12-20 2008-04-11 텔레폰악티에볼라겟엘엠에릭슨(펍) 간섭 분류 방법 및 장치
AU2002340719B2 (en) * 2001-05-04 2007-06-28 Lockheed Martin Corporation System and method for narrowband pre-detection signal processing for passive coherent location applications
US6741661B2 (en) * 2001-05-22 2004-05-25 Qualcomm Incorporated Method and apparatus for peak-to-average power reduction
FI20011342A0 (fi) * 2001-06-25 2001-06-25 Nokia Corp Menetelmä ja laite tiedon hankkimiseksi
US6876859B2 (en) * 2001-07-18 2005-04-05 Trueposition, Inc. Method for estimating TDOA and FDOA in a wireless location system
US6909277B2 (en) * 2002-03-13 2005-06-21 Caterpillar Inc Amplification circuit for increasing variable reluctance sensor output
ES2198207B2 (es) * 2002-04-12 2004-09-16 Telefonica, S.A. Sistema de repetidores para gsm con intercambio espectral entre las bandas de frecuencia gsm de 900 y 1800 mhz, asi como metodo de acceso.
US7158542B1 (en) 2002-05-03 2007-01-02 Atheros Communications, Inc. Dynamic preamble detection
US7013113B2 (en) * 2002-07-25 2006-03-14 Pctel Maryland, Inc. Method and apparatus for co-channel interference measurements and interference component separation based on statistical signal processing in drive-test area
GB2395095A (en) * 2002-10-30 2004-05-12 Nokia Corp Reducing noise in a multi-carrier signal
US7187736B2 (en) * 2003-02-13 2007-03-06 Motorola Inc. Reducing interference in a GSM communication system
US6954707B2 (en) * 2003-02-18 2005-10-11 Tektronix, Inc. Multiple sinusoidal burst frequency measurements
KR100943272B1 (ko) * 2003-02-18 2010-02-23 삼성전자주식회사 디지털 통신 시스템의 채널 추정 장치 및 그의 채널 추정방법
US20050073947A1 (en) * 2003-10-02 2005-04-07 Texas Instruments Incorporated Channel estimator for a receiver and method of operation thereof
WO2005060303A1 (en) * 2003-12-18 2005-06-30 Telefonaktiebolaget Lm Ericsson (Publ) A method and apparatus for determining the content of bursts to be transmitted from a base station
US7474718B2 (en) * 2003-12-30 2009-01-06 Nokia Corporation Frequency control for a mobile communications device

Also Published As

Publication number Publication date
EP1685665B1 (de) 2010-10-27
EP1685653B1 (de) 2007-05-16
AU2004310544B2 (en) 2009-08-13
EP1685654B1 (de) 2013-09-25
US7606337B2 (en) 2009-10-20
EP1685654A1 (de) 2006-08-02
AU2004310534A1 (en) 2005-06-09
US20050250451A1 (en) 2005-11-10
WO2005053094A1 (en) 2005-06-09
ES2286696T3 (es) 2007-12-01
EP1685664A1 (de) 2006-08-02
ATE362676T1 (de) 2007-06-15
US20050272392A1 (en) 2005-12-08
US7894557B2 (en) 2011-02-22
WO2005053174A1 (en) 2005-06-09
US20060209998A1 (en) 2006-09-21
AU2004310536B2 (en) 2009-07-16
ES2347932T3 (es) 2010-11-25
US20050262178A1 (en) 2005-11-24
WO2005053175A1 (en) 2005-06-09
GB0327041D0 (en) 2003-12-24
EP1685664B1 (de) 2010-07-28
AU2004310536A1 (en) 2005-06-09
US7907684B2 (en) 2011-03-15
AU2004310544A1 (en) 2005-06-09
DE602004006530D1 (de) 2007-06-28
DE602004028394D1 (de) 2010-09-09
AU2004310537A1 (en) 2005-06-09
DE602004029808D1 (de) 2010-12-09
ES2435517T3 (es) 2013-12-20
ES2353080T3 (es) 2011-02-25
EP1685623A1 (de) 2006-08-02
WO2005053191A1 (en) 2005-06-09
AU2004310539A1 (en) 2005-06-09
AU2004310539B2 (en) 2009-08-06
DE602004006530T2 (de) 2008-01-10
AU2004310537B2 (en) 2009-08-13
EP1685665A1 (de) 2006-08-02
EP1685653A1 (de) 2006-08-02
ATE486418T1 (de) 2010-11-15
WO2005053190A1 (en) 2005-06-09
US20060165158A1 (en) 2006-07-27
US8085886B2 (en) 2011-12-27

Similar Documents

Publication Publication Date Title
ATE476023T1 (de) Signalstörungsmessung
ATE371874T1 (de) Signalverarbeitung
NO20025328L (no) Fremgangsmåte for absolutt bevart amplitudeprosessering av seismiske brönndata
BRPI0400468A (pt) Método para processamento de dados sìsmicos de sensor duplo para atenuar ruìdo
DE602004015409D1 (de) Grundfrequenzbestimmung von Sprachsignalen
EP1527359A4 (de) Verfahren zur seismischen datenverarbeitung
WO2008110743A3 (en) Vibroseis acquisition method
NO20033833D0 (no) Fremgangsmåte for å undertrykke stöy i seismikksignaler ved hjelp av bestemmelse av kildeposisjon
GB2420412B (en) Generating Acoustic Signals for Well Logging
IL166883A (en) Signal, interference and noise power measurement
DE60320615D1 (de) Mehrträgerempfang mit Erfassung von Interferenzen
AU2001253887A1 (en) Method of frequency domain seismic attribute generation
DE50113313D1 (de) Verfahren zum Steuern von Geräten mittels Sprachsignalen in Umgebungen mit hohem Geräuschpegel
WO2007095153A8 (en) System and method for pump noise cancellation in mud pulse telemetry
EP1625420A4 (de) Verfahren zur störabstandsverbesserung von seismischen daten mittels amplitudenrauschdämpfung
MY142291A (en) Estimating noise at one frequency by sampling noise at other frequencies
DE602004031372D1 (de) Nachweis von staphylococcus
AU2003291933A1 (en) Method for determining acoustic features of acoustic signals for the analysis of unknown acoustic signals and for modifying sound generation
ATE269573T1 (de) Verfahren zur sprachaktivitätsdetektion in einem signal, und sprachkodierer mit vorrichtung zur ausführung des verfahrens
ATE503021T1 (de) Verfahren zum nachweis von endoglykosidase aktivität
ATE280457T1 (de) Vorrichtung zum regenerieren optischer signale
ATE427588T1 (de) Verfahren und vorrichtung zum wavelet- rauschunterdrucken
DE50202281D1 (de) Verfahren zur bestimmung von intensitätskennwerten von hintergrundgeräuschen in sprachpausen von sprachsignalen
WO2001069778A3 (de) Verfahren zur bestimmung von parametern eines n-tors
DE602004013942D1 (de) Ialien

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties