IL96169A - Repair of amplitude and phase transmitter for wired MF system - Google Patents
Repair of amplitude and phase transmitter for wired MF systemInfo
- Publication number
- IL96169A IL96169A IL9616990A IL9616990A IL96169A IL 96169 A IL96169 A IL 96169A IL 9616990 A IL9616990 A IL 9616990A IL 9616990 A IL9616990 A IL 9616990A IL 96169 A IL96169 A IL 96169A
- Authority
- IL
- Israel
- Prior art keywords
- digital
- signals
- waveform
- distortion correction
- correction signals
- Prior art date
Links
- 238000012937 correction Methods 0.000 title claims description 81
- 230000015654 memory Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 230000003252 repetitive effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 25
- 230000006870 function Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
- G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
- G01S13/282—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using a frequency modulated carrier wave
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/434,968 US4968968A (en) | 1989-11-09 | 1989-11-09 | Transmitter phase and amplitude correction for linear FM systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL96169A0 IL96169A0 (en) | 1991-07-18 |
| IL96169A true IL96169A (en) | 1994-01-25 |
Family
ID=23726442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9616990A IL96169A (en) | 1989-11-09 | 1990-10-30 | Repair of amplitude and phase transmitter for wired MF system |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4968968A (fr) |
| EP (1) | EP0427206A3 (fr) |
| IL (1) | IL96169A (fr) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5818127A (en) * | 1989-04-28 | 1998-10-06 | Videocom, Inc. | Transmission of FM video signals over various lines |
| DE4104792A1 (de) * | 1991-02-16 | 1992-08-20 | Bosch Gmbh Robert | Fmcw-radarsystem mit linearer frequenzmodulation |
| GB9103945D0 (en) * | 1991-02-26 | 1991-06-12 | Philips Electronic Associated | Linearizing a swept-frequency radar |
| US5130714A (en) * | 1991-05-23 | 1992-07-14 | Hughes Aircraft Company | Stretch and chirp waveform format for reduced generating and receiving hardware complexity |
| US5237332A (en) * | 1992-02-25 | 1993-08-17 | Hughes Aircraft Company | Receiver distortion correction circuit and method |
| FR2691809B1 (fr) * | 1992-05-26 | 1994-09-02 | Thomson Csf | Procédé de compensation automatique de la non linéarité de la pente de modulation d'un radar à onde continue modulée en fréquence et radar pour sa mise en Óoeuvre. |
| US5289252A (en) * | 1992-12-08 | 1994-02-22 | Hughes Aircraft Company | Linear frequency modulation control for FM laser radar |
| US5576645A (en) * | 1995-06-05 | 1996-11-19 | Hughes Aircraft Company | Sample and hold flip-flop for CMOS logic |
| US6310709B1 (en) * | 1995-12-29 | 2001-10-30 | Tyco Submarine Systems Ltd. | Synchronous polarization and phase modulation using a periodic waveform with complex harmonics for improved performance of optical transmission systems |
| IL118873A0 (en) * | 1996-07-16 | 1996-10-31 | I R Lan Ltd | Optical detector system and optical communication apparatus including same |
| DE19632889A1 (de) * | 1996-08-16 | 1998-02-19 | Bosch Gmbh Robert | Radarsystem mit einem frequenzmodulierten Sendesignal |
| US5821897A (en) * | 1996-12-20 | 1998-10-13 | Wiltron Company | Simulator for testing a collision avoidance radar system |
| US6118811A (en) * | 1997-07-31 | 2000-09-12 | Raytheon Company | Self-calibrating, self-correcting transceivers and methods |
| DE19744736C1 (de) * | 1997-10-10 | 1999-04-15 | Bosch Gmbh Robert | Radarsystem, insbesondere nach dem FMCW-Prinzip |
| DE19744731C2 (de) * | 1997-10-10 | 2000-06-21 | Bosch Gmbh Robert | Radarsystem, insbesondere nach dem FMCW-Prinzip |
| US6081226A (en) * | 1998-07-10 | 2000-06-27 | Northrop Grumman Corporation | Multi-mode radar exciter |
| US6934515B2 (en) * | 2000-06-27 | 2005-08-23 | Wireless Avionics Ltd. | Electromagnetic radiation alerting device for use with a cellular telephone |
| US7340265B2 (en) * | 2002-02-28 | 2008-03-04 | Atheros Communications, Inc. | Method and apparatus for transient frequency distortion compensation |
| US6559791B1 (en) * | 2002-05-31 | 2003-05-06 | The United States Of America As Represented By The Secretary Of The Air Force | Dual port memory arbitrary waveform generator |
| US6707417B2 (en) * | 2002-06-11 | 2004-03-16 | Raytheon Company | Accurate range calibration architecture |
| GB0220299D0 (en) * | 2002-08-31 | 2002-10-09 | Astrium Ltd | Method and system for correcting the image effects of signal non-linearity in radar |
| US6963243B2 (en) | 2003-10-22 | 2005-11-08 | Andrew Corporation | Amplifier pre-distortion processing based on composite look-up tables |
| US7570201B1 (en) * | 2004-11-05 | 2009-08-04 | Northrop Grumman Corporation | Radar exciter including phase compensation of the waveform generator |
| US20060139620A1 (en) * | 2004-12-27 | 2006-06-29 | Hopwood Francis W | Method and apparatus for coherently processing signals from incoherent sources including laser signals |
| US7272521B1 (en) * | 2005-02-15 | 2007-09-18 | Lockheed Martin Corporation | Measurement of phase nonlinearity of non-linear devices |
| US7038614B1 (en) | 2005-02-16 | 2006-05-02 | Applied Concepts, Inc. | Vehicular traffic surveillance Doppler radar system |
| US7049999B1 (en) | 2005-02-16 | 2006-05-23 | Applied Concepts, Inc. | Modulation circuit for a vehicular traffic surveillance Doppler radar system |
| US7057550B1 (en) * | 2005-02-16 | 2006-06-06 | Applied Concepts, Inc. | System and method for calibrating a vehicular traffic surveillance Doppler radar |
| US20070080852A1 (en) * | 2005-10-07 | 2007-04-12 | Blumke Joel C | Phase locked loop as linear chirp extender |
| JP5259093B2 (ja) * | 2007-02-02 | 2013-08-07 | 株式会社東芝 | Ｄｍｅ地上局装置 |
| US7919968B2 (en) * | 2007-07-09 | 2011-04-05 | Ltx Corporation | System and method for distortion analysis |
| DE102007041669B4 (de) | 2007-09-01 | 2013-04-18 | Eads Deutschland Gmbh | Verfahren zur Verbesserung der Signalqualität von Radaranlagen |
| US8115666B2 (en) * | 2008-04-17 | 2012-02-14 | Mirage Systems, Inc. | Ground penetrating synthetic aperture radar |
| US20100027607A1 (en) * | 2008-06-10 | 2010-02-04 | Tad Kwasniewski | Apparatus for time-domain pre-emphasis and time-domain equalization and associated methods |
| US7876261B1 (en) * | 2008-10-28 | 2011-01-25 | Lockheed Martin Corporation | Reflected wave clock synchronization |
| US8787768B2 (en) | 2010-06-03 | 2014-07-22 | Raytheon Company | Method and apparatus for synthesizing and correcting phase distortions in ultra-wide bandwidth optical waveforms |
| US20110319034A1 (en) | 2010-06-28 | 2011-12-29 | Boe Eric N | Method and system for propagation time measurement and calibration using mutual coupling in a radio frequency transmit/receive system |
| US8947647B2 (en) | 2011-12-13 | 2015-02-03 | Raytheon Company | Range-resolved vibration using large time-bandwidth product LADAR waveforms |
| US8947644B2 (en) | 2012-01-19 | 2015-02-03 | Raytheon Company | Using multiple waveforms from a coherent LADAR for target acquisition |
| US9170320B1 (en) * | 2012-12-03 | 2015-10-27 | Lockheed Martin Corporation | Transmitter pushing compensation for radar stability enhancement |
| US9057605B2 (en) | 2012-12-06 | 2015-06-16 | Raytheon Company | Bistatic synthetic aperture ladar system |
| DE102015112392B3 (de) | 2015-07-29 | 2016-11-17 | Infineon Technologies Ag | Verfahren und Vorrichtung zum Kalibrieren eines IQ-Modulators |
| US10145937B2 (en) * | 2016-04-01 | 2018-12-04 | Texas Instruments Incorporated | Dynamic IQ mismatch correction in FMCW radar |
| EP3531162B1 (fr) | 2018-02-27 | 2024-01-17 | NXP USA, Inc. | Détecteur de linéarité de compression d'impulsions pour radar |
| US11067666B2 (en) | 2018-05-29 | 2021-07-20 | The Boeing Company | Self-compensating radar system |
| CN109946662B (zh) * | 2019-05-06 | 2023-09-26 | 成都远望科技有限责任公司 | 一种相控阵天气雷达机内标校系统 |
| US11754669B2 (en) * | 2019-09-30 | 2023-09-12 | Qualcomm Incorporated | Radar coordination for multi-radar coexistence |
| EP3835819B1 (fr) | 2019-12-10 | 2025-07-16 | Melexis Technologies NV | Appareil de calcul de plage optique et procédé de calcul de plage |
| KR102859814B1 (ko) * | 2020-02-28 | 2025-09-16 | 주식회사 에이치엘클레무브 | 차량용 레이더의 송신신호 위상 보정 장치 및 방법과, 그를 포함하는 차량용 레이더 장치 |
| US11693107B2 (en) * | 2020-09-29 | 2023-07-04 | Steradian Semiconductors Private Limited | System, device and method for efficient MIMO radar |
| WO2022150744A1 (fr) | 2021-01-11 | 2022-07-14 | Ysi, Inc. | Circuit de diaphonie induite pour linéarité de capteur améliorée |
| CN115494464B (zh) * | 2022-09-01 | 2024-06-11 | 西安电子科技大学芜湖研究院 | 线性调频信号的预失真补偿方法、电子设备及存储介质 |
| CN117008071B (zh) * | 2023-10-07 | 2023-12-12 | 广东大湾区空天信息研究院 | 一种线性调频mimo雷达通道校准方法及相关设备 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160958A (en) * | 1978-08-21 | 1979-07-10 | Westinghouse Electric Corp. | Sampling linearizer utilizing a phase shifter |
| US4359779A (en) * | 1980-12-08 | 1982-11-16 | International Telephone And Telegraph Corporation | FM Transmitter with frequency ramp phase and amplitude correction means |
| US4584710A (en) * | 1984-11-13 | 1986-04-22 | The United States Of America As Represented By The Secretary Of The Navy | Coherent receiver phase and amplitude alignment circuit |
| US4692766A (en) * | 1985-09-25 | 1987-09-08 | Rolfs John C | Linearizer frequency discriminator for frequency modulated radar transmitters |
-
1989
- 1989-11-09 US US07/434,968 patent/US4968968A/en not_active Expired - Lifetime
-
1990
- 1990-10-30 IL IL9616990A patent/IL96169A/en not_active IP Right Cessation
- 1990-11-06 EP EP19900121225 patent/EP0427206A3/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US4968968A (en) | 1990-11-06 |
| EP0427206A3 (en) | 1992-05-06 |
| IL96169A0 (en) | 1991-07-18 |
| EP0427206A2 (fr) | 1991-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RH | Patent void |