JP2001185958A5 - - Google Patents

Download PDF

Info

Publication number
JP2001185958A5
JP2001185958A5 JP2000350489A JP2000350489A JP2001185958A5 JP 2001185958 A5 JP2001185958 A5 JP 2001185958A5 JP 2000350489 A JP2000350489 A JP 2000350489A JP 2000350489 A JP2000350489 A JP 2000350489A JP 2001185958 A5 JP2001185958 A5 JP 2001185958A5
Authority
JP
Japan
Prior art keywords
signal
version
converted
generate
generating
Prior art date
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.)
Pending
Application number
JP2000350489A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001185958A (ja
Filing date
Publication date
Priority claimed from US09/444,318 external-priority patent/US6294956B1/en
Application filed filed Critical
Publication of JP2001185958A publication Critical patent/JP2001185958A/ja
Publication of JP2001185958A5 publication Critical patent/JP2001185958A5/ja
Pending legal-status Critical Current

Links

JP2000350489A 1999-11-19 2000-11-17 信号を生成する方法 Pending JP2001185958A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/444,318 US6294956B1 (en) 1999-11-19 1999-11-19 System and method for producing amplified signal(s) or version(s) thereof
US09/444318 1999-11-19

Publications (2)

Publication Number Publication Date
JP2001185958A JP2001185958A (ja) 2001-07-06
JP2001185958A5 true JP2001185958A5 (https=) 2004-09-30

Family

ID=23764407

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000350489A Pending JP2001185958A (ja) 1999-11-19 2000-11-17 信号を生成する方法

Country Status (8)

Country Link
US (1) US6294956B1 (https=)
EP (1) EP1102394A3 (https=)
JP (1) JP2001185958A (https=)
KR (1) KR20010051803A (https=)
CN (1) CN1233088C (https=)
AU (1) AU775866B2 (https=)
BR (1) BR0005432A (https=)
CA (1) CA2325326C (https=)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6608898B1 (en) * 1999-10-06 2003-08-19 Acoustic Technologies, Inc. Band pass and notch filters for echo reduction with less phase distortion
US6449302B2 (en) 2000-04-19 2002-09-10 Powerwave Technologies, Inc. System and method for peak power reduction in spread spectrum communications systems
AU2001268530A1 (en) * 2000-06-20 2002-01-02 Powerwave Technologies, Inc. System and method for peak power reduction in multiple carrier communications systems
AU8030301A (en) * 2000-07-10 2002-01-21 Andrew Corp Cellular antenna
US20020168016A1 (en) * 2001-03-14 2002-11-14 Xianbin Wang Method and apparatus for reducing peak to average power ratio in a multi-carrier modulation communication system
US7170952B2 (en) 2001-07-02 2007-01-30 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in communications systems
US7095798B2 (en) 2001-08-02 2006-08-22 Powerwave Technologies, Inc. System and method for post filtering peak power reduction in multi-carrier communications systems
US20030063663A1 (en) * 2001-10-01 2003-04-03 Bryant Paul Henry Multistage equalizer that corrects for linear and nonlinear distortion in a digitally-modulated signal
US20030067990A1 (en) * 2001-10-01 2003-04-10 Bryant Paul Henry Peak to average power ratio reduction in a digitally-modulated signal
US6614299B2 (en) * 2001-11-02 2003-09-02 Nokia Corporation Method and system for automated current balance adjustment for parallel combined amplification elements
KR100459065B1 (ko) * 2002-07-25 2004-12-03 학교법인 포항공과대학교 피크 대 평균 전력비의 축소와 확장을 통한 선형화 장치
US6998998B2 (en) * 2003-02-05 2006-02-14 Schlumberger Technology Corporation High speed hazardous area communication with safety barriers
US7450539B1 (en) 2003-02-11 2008-11-11 Analog Devices, Inc. Power regulation for a multi-carrier communication system
FI115935B (fi) 2003-02-25 2005-08-15 Nokia Corp Menetelmä ja laite tehovahvistimen ominaisuuksien säätämiseksi
DE10311682B3 (de) * 2003-03-11 2004-12-02 Funkwerk Dabendorf-Gmbh Schaltungsanordnung zum gleichzeitigen Betrieb mehrerer Sende- und Empfangsgeräte an einer gemeinsamen Antenne
US7580476B2 (en) * 2003-06-26 2009-08-25 Northrop Grumman Corporation Communication system and method for improving efficiency and linearity
WO2005041405A1 (en) * 2003-10-27 2005-05-06 Koninklijke Philips Electronics N.V. Split band amplifier
WO2006051776A1 (ja) * 2004-11-11 2006-05-18 Matsushita Electric Industrial Co., Ltd. 増幅回路、無線通信回路、無線基地局装置、および無線端末装置
US7327776B2 (en) * 2004-12-20 2008-02-05 Chung Shan Institute Of Science And Technology, Armaments Bureau, M.N.D. Time domain spreading method and apparatus for a UWB receiver comprising fast fourier transform and exchange of real and imaginary complex signal components
US7542736B2 (en) * 2005-07-26 2009-06-02 M/A-Com, Inc. Techniques to decrease signal amplitude peak-to-average ratio in a wireless communications system
US7856105B2 (en) * 2006-03-09 2010-12-21 Andrew Llc Apparatus and method for processing of amplifier linearization signals
US8688759B2 (en) * 2006-06-16 2014-04-01 Bae Systems Information And Electronic Systems Integration Inc. Efficient detection algorithm system for a broad class of signals using higher-order statistics in time as well as frequency domains
US8161089B1 (en) * 2006-06-16 2012-04-17 Bae Systems Information And Electronic Systems Integration Inc. Method for detecting a broad class of signals in Gaussian noise using higher order statistics in both time and frequency domains
US7388430B2 (en) * 2006-06-27 2008-06-17 Lucent Technologies Inc. Enhanced digital predistortion
US7595688B2 (en) * 2007-10-31 2009-09-29 Raytheon Company High power commutating multiple output amplifier system
JP4962298B2 (ja) * 2007-12-19 2012-06-27 富士通株式会社 送受信機
US8358680B2 (en) * 2008-12-23 2013-01-22 Apple Inc. Reducing power levels associated with two or more signals using peak reduction distortion that is derived from a combined signal
WO2010079631A1 (ja) * 2009-01-09 2010-07-15 三菱電機株式会社 マルチポートアンプおよびそれを用いた無線装置
US9130517B2 (en) * 2012-10-05 2015-09-08 Qualcomm Incorporated Systems and methods of harmonic extraction and rejection
KR102286877B1 (ko) * 2015-02-05 2021-08-06 삼성전자 주식회사 필터뱅크 기반의 멀티 캐리어 신호 송수신을 위한 필터 재사용 방법
JP6651477B2 (ja) * 2017-02-20 2020-02-19 日本電信電話株式会社 電力増幅装置および電力増幅制御方法
CN107919858A (zh) * 2017-10-26 2018-04-17 电子科技大学 基于合路机制的宽带/超宽带大功率放大器
US11616295B2 (en) 2019-03-12 2023-03-28 Epirus, Inc. Systems and methods for adaptive generation of high power electromagnetic radiation and their applications
US11211703B2 (en) 2019-03-12 2021-12-28 Epirus, Inc. Systems and methods for dynamic biasing of microwave amplifier
US11658410B2 (en) * 2019-03-12 2023-05-23 Epirus, Inc. Apparatus and method for synchronizing power circuits with coherent RF signals to form a steered composite RF signal
US12003223B2 (en) 2020-06-22 2024-06-04 Epirus, Inc. Systems and methods for modular power amplifiers

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571739A (en) * 1968-10-18 1971-03-23 Bell Telephone Labor Inc Multimode hybrid-coupled fan-out and fan-in array
US4791390A (en) * 1982-07-01 1988-12-13 Sperry Corporation MSE variable step adaptive filter
CH675802A5 (https=) * 1988-09-15 1990-10-31 Asea Brown Boveri
US5163181A (en) * 1988-10-21 1992-11-10 Harris Corporation Multiple rf signal amplification method and apparatus
US5175878A (en) * 1990-02-02 1992-12-29 At&T Bell Laboratories Radio network with switching arrangement for coupling radios to a selected antenna out of a plurality of antennas
US5287069A (en) * 1990-02-07 1994-02-15 Fujitsu Limited Constant-amplitude wave combination type amplifier
US5249201A (en) * 1991-02-01 1993-09-28 Mst, Inc. Transmission of multiple carrier signals in a nonlinear system
US5206604A (en) * 1991-12-20 1993-04-27 Harris Corporation Broadband high power amplifier
DE4236547C2 (de) * 1992-10-29 1994-09-29 Hagenuk Telecom Gmbh Homodynempfänger und Verfahren zur Korrektur des konvertierten Empfangssignals
US5587548A (en) * 1993-07-13 1996-12-24 The Board Of Trustees Of The Leland Stanford Junior University Musical tone synthesis system having shortened excitation table
US5365187A (en) * 1993-10-29 1994-11-15 Hewlett-Packard Company Power amplifier utilizing the vector addition of two constant envelope carriers
KR960027576A (ko) * 1994-12-01 1996-07-22 리차드 탤런 육상 이동 무선 베이스 사이트에 사용되는 무선 신호 스캐닝 및 타겟팅 시스템
KR19980030424A (ko) * 1996-10-29 1998-07-25 배순훈 콤 필터
US5886573A (en) * 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier

Similar Documents

Publication Publication Date Title
JP2001185958A5 (https=)
WO2004107563A3 (en) High-efficiency amplifier, converter and methods
EP0843503A3 (en) Circuit for obtaining a surround sound effect
CA2325326A1 (en) System and method for producing amplified signal(s) or version(s) thereof
WO2006020695A3 (en) Optical receiver with increased dynamic range
CA2048561A1 (en) High frequency power amplifier with high efficiency and low distortion
JP2005229612A5 (https=)
TW200845794A (en) Microphone, signal processor, and array microphone
JP2001211104A5 (https=)
JP2001189630A5 (https=)
AU2002358380A1 (en) Composite power amplifier
WO2004100215A3 (en) N-way rf power amplifier circuit with increased back-off capability and power added efficiency using unequal input power division
EP1158661A3 (en) Feed-forward amplifier
RU2014102239A (ru) Работающее в зависимости от угла устройство или способ получения псевдостереофонического аудиосигнала
WO2004075397A3 (en) Enhanced efficiency feed forward power amplifier utilizing reduced cancellation bandwidth and small error amplifier
DK1203508T3 (da) Fremgangsmåde til styring af retningsafhængigheden af lydmodtagelseskarakteristikken for et høreapparat og et høreapparat til udførelse af fremgangsmåden
KR960012756A (ko) 고전력 rf 증폭기용 전력 분배 시스템
WO2009139814A3 (en) Modified distributed amplifier to improve low frequency efficiency and noise figure
CA2396832A1 (en) Method of generating an electrical output signal and acoustical/electrical conversion system
JPH1117550A (ja) フローティング型ａ／ｄ変換器
CN101331541A (zh) 频带转换信号生成器和频带扩展装置
JP2000188535A5 (https=)
CN101977025A (zh) 消除d类功率放大器中噪声的方法及装置
CA2391789A1 (en) S/n enhancer
US10904060B2 (en) Peak suppression circuit, peak suppression method, and transmitter