CA1246194A - Pulse radar apparatus - Google Patents
Pulse radar apparatusInfo
- Publication number
- CA1246194A CA1246194A CA000495650A CA495650A CA1246194A CA 1246194 A CA1246194 A CA 1246194A CA 000495650 A CA000495650 A CA 000495650A CA 495650 A CA495650 A CA 495650A CA 1246194 A CA1246194 A CA 1246194A
- Authority
- CA
- Canada
- Prior art keywords
- target
- spectrum
- dft
- pulse
- cluster
- 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.)
- Expired
Links
- 238000001228 spectrum Methods 0.000 claims abstract description 159
- 238000002592 echocardiography Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims description 8
- 239000013598 vector Substances 0.000 description 60
- 230000001427 coherent effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 241000272470 Circus Species 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241000370685 Arge Species 0.000 description 1
- 101150087426 Gnal gene Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001629 suppression Effects 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
- 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
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
-
- 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
- G01S13/20—Systems for measuring distance only using transmission of interrupted, pulse modulated waves whereby multiple time-around echoes are used or eliminated
-
- 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
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
- G01S13/532—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar using a bank of range gates or a memory matrix
-
- 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
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8403758A NL8403758A (nl) | 1984-12-11 | 1984-12-11 | Impulsradarapparaat. |
| NL8403758 | 1984-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1246194A true CA1246194A (en) | 1988-12-06 |
Family
ID=19844893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000495650A Expired CA1246194A (en) | 1984-12-11 | 1985-11-19 | Pulse radar apparatus |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4679050A (enExample) |
| EP (1) | EP0187397B1 (enExample) |
| JP (1) | JPS61140881A (enExample) |
| AU (1) | AU580110B2 (enExample) |
| CA (1) | CA1246194A (enExample) |
| DE (1) | DE3572039D1 (enExample) |
| NL (1) | NL8403758A (enExample) |
| NO (1) | NO167483C (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4847517A (en) * | 1988-02-16 | 1989-07-11 | Ltv Aerospace & Defense Co. | Microwave tube modulator |
| DE3933437A1 (de) * | 1989-10-06 | 1991-04-18 | Diehl Gmbh & Co | Rueckstrahlortungsanlage |
| FR2656108B1 (fr) * | 1989-12-19 | 1993-02-05 | Thomson Applic Radars Centre | Procede et systeme radar coherent a impulsions pour la detection d'unhe cible presentant des eclairs de tres courte duree. |
| FR2787199B1 (fr) * | 1998-12-11 | 2001-03-09 | Thomson Csf | Procede de detection, notamment de petites cibles marines |
| SE525699C2 (sv) * | 2003-05-05 | 2005-04-05 | Saab Ab | Anordning vid radar som arbetar med varierande pulsrepeteringsintervall |
| US7034738B1 (en) * | 2003-12-05 | 2006-04-25 | Itt Manufacturing Enterprises, Inc. | Method of radar pattern recognition by sorting signals into data clusters |
| US7397415B1 (en) | 2006-02-02 | 2008-07-08 | Itt Manufacturing Enterprises, Inc. | System and method for detecting and de-interleaving radar emitters |
| US7830297B1 (en) | 2007-12-20 | 2010-11-09 | Itt Manufacturing Enterprises, Inc. | System and method for detecting and de-interleaving radar emitters using snapshots of varying lengths |
| RU2484596C2 (ru) * | 2008-02-14 | 2013-06-10 | Нокиа Корпорейшн | Система и способ выполнения публикации |
| CN117554919B (zh) * | 2024-01-11 | 2024-03-29 | 成都金支点科技有限公司 | 一种基于双向lstm网络的雷达信号分选搜索方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6712495A (enExample) * | 1967-09-13 | 1969-03-17 | ||
| US3480953A (en) * | 1968-05-17 | 1969-11-25 | Us Army | Moving target indicator having staggered pulse repetition frequency |
| FR2050644A5 (enExample) * | 1969-06-19 | 1971-04-02 | Thomson Csf | |
| US3610901A (en) * | 1969-09-09 | 1971-10-05 | Emerson Electric Co | Digital modified discrete fourier transform doppler radar processor |
| US3828348A (en) * | 1971-10-21 | 1974-08-06 | Hughes Aircraft Co | System for minimizing multiple time around echos in a coherent-on-receive-doppler radar |
| NL169520C (nl) * | 1972-04-25 | 1982-07-16 | Hollandse Signaalapparaten Bv | Impulsradarapparaat. |
| US4106019A (en) * | 1972-10-05 | 1978-08-08 | Hughes Aircraft Company | Range resolving doppler radar system |
| DE2752338C2 (de) * | 1977-11-23 | 1983-11-17 | Siemens AG, 1000 Berlin und 8000 München | Radarempfänger |
| FR2411418A1 (fr) * | 1977-12-08 | 1979-07-06 | Labo Cent Telecommunicat | Procede et dispositif d'elimination des echos de retours multiples pour radars doppler a impulsions |
| NL8100606A (nl) * | 1981-02-09 | 1982-09-01 | Hollandse Signaalapparaten Bv | Impulsraderapparaat. |
| NL8101111A (nl) * | 1981-03-09 | 1982-10-01 | Hollandse Signaalapparaten Bv | Impulsradarapparaat. |
-
1984
- 1984-12-11 NL NL8403758A patent/NL8403758A/nl not_active Application Discontinuation
-
1985
- 1985-11-12 EP EP85201846A patent/EP0187397B1/en not_active Expired
- 1985-11-12 DE DE8585201846T patent/DE3572039D1/de not_active Expired
- 1985-11-19 CA CA000495650A patent/CA1246194A/en not_active Expired
- 1985-11-19 AU AU50049/85A patent/AU580110B2/en not_active Ceased
- 1985-11-25 US US06/801,367 patent/US4679050A/en not_active Expired - Fee Related
- 1985-12-09 NO NO854951A patent/NO167483C/no unknown
- 1985-12-09 JP JP60276664A patent/JPS61140881A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4679050A (en) | 1987-07-07 |
| AU5004985A (en) | 1986-06-19 |
| JPS61140881A (ja) | 1986-06-27 |
| AU580110B2 (en) | 1989-01-05 |
| NO854951L (no) | 1986-06-12 |
| EP0187397B1 (en) | 1989-08-02 |
| NO167483B (no) | 1991-07-29 |
| JPH045953B2 (enExample) | 1992-02-04 |
| DE3572039D1 (en) | 1989-09-07 |
| NO167483C (no) | 1991-11-06 |
| NL8403758A (nl) | 1986-07-01 |
| EP0187397A1 (en) | 1986-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |