CA1248206A - Process for adapting the post integration in a switched pulse repetition frequency radar and a circuit implementing this process - Google Patents
Process for adapting the post integration in a switched pulse repetition frequency radar and a circuit implementing this processInfo
- Publication number
- CA1248206A CA1248206A CA000497700A CA497700A CA1248206A CA 1248206 A CA1248206 A CA 1248206A CA 000497700 A CA000497700 A CA 000497700A CA 497700 A CA497700 A CA 497700A CA 1248206 A CA1248206 A CA 1248206A
- Authority
- CA
- Canada
- Prior art keywords
- circuit
- signal
- summing
- output
- threshold level
- 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
- 230000010354 integration Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 7
- 230000000875 corresponding effect Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 20
- 230000001276 controlling effect Effects 0.000 claims description 4
- 229940000425 combination drug Drugs 0.000 claims description 2
- 230000007717 exclusion Effects 0.000 claims description 2
- 230000001427 coherent effect Effects 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 7
- 238000002592 echocardiography Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 102000035183 Clathrin adaptor proteins Human genes 0.000 description 1
- 108091005769 Clathrin adaptor proteins Proteins 0.000 description 1
- 239000000727 fraction Substances 0.000 description 1
- 230000004044 response 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
- G01S13/50—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
- G01S13/526—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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters
- G01S13/528—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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters with elimination of blind speeds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8419648A FR2575297B1 (fr) | 1984-12-21 | 1984-12-21 | Procede d'adaptation de la post-integration dans un radar a frequences de recurrence commutees et circuit mettant en oeuvre ce procede |
| FR8419648 | 1984-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1248206A true CA1248206A (en) | 1989-01-03 |
Family
ID=9310883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000497700A Expired CA1248206A (en) | 1984-12-21 | 1985-12-16 | Process for adapting the post integration in a switched pulse repetition frequency radar and a circuit implementing this process |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4727375A (en, 2012) |
| EP (1) | EP0187588B1 (en, 2012) |
| JP (1) | JPS61155882A (en, 2012) |
| CA (1) | CA1248206A (en, 2012) |
| DE (1) | DE3579575D1 (en, 2012) |
| FR (1) | FR2575297B1 (en, 2012) |
| GR (1) | GR853123B (en, 2012) |
| IN (1) | IN165672B (en, 2012) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4847622A (en) * | 1988-02-26 | 1989-07-11 | Electronique Serge Dassault | Coherent pulse radars |
| US4894660A (en) * | 1988-10-12 | 1990-01-16 | General Electric Company | Range sidelobe reduction by aperiodic swept-frequency subpulses |
| US5808580A (en) * | 1997-02-06 | 1998-09-15 | Andrews, Jr.; Grealie A. | Radar/sonar system concept for extended range-doppler coverage |
| FR2760535B1 (fr) * | 1997-03-04 | 1999-05-28 | Thomson Csf | Dispositif de reduction de bruit dans un recepteur radar |
| FR2760536B1 (fr) * | 1997-03-04 | 1999-05-28 | Thomson Csf | Procede et dispositif de detection radar a modulation de frequence a onde continue presentant une levee d'ambiguite entre la distance et la vitesse |
| US6723368B1 (en) * | 1999-12-21 | 2004-04-20 | Loretta M. Zapp | Method for enhancing post-processing content of beneficial compounds in beverages naturally containing same |
| US6638226B2 (en) * | 2001-09-28 | 2003-10-28 | Teratech Corporation | Ultrasound imaging system |
| JP5398204B2 (ja) * | 2008-09-17 | 2014-01-29 | 富士重工業株式会社 | 測距システム |
| FR3026194B1 (fr) * | 2014-09-24 | 2018-01-26 | Thales Sa | Forme d'onde radar, procede de detection radar utilisant une telle onde, et radar mettant en oeuvre le procede |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3765017A (en) * | 1968-06-12 | 1973-10-09 | North American Rockwell | Amti range ambiguity resolver |
| FR2041129A7 (en, 2012) * | 1969-04-03 | 1971-01-29 | Int Standard Electric Corp | |
| US4137532A (en) * | 1977-04-29 | 1979-01-30 | Westinghouse Electric Corp. | VIP doppler filter bank signal processor for pulse doppler radar |
| FR2412852A1 (fr) * | 1977-12-22 | 1979-07-20 | Labo Cent Telecommunicat | Perfectionnements aux radars doppler a impulsions |
| DE3321263A1 (de) * | 1983-06-13 | 1984-12-13 | Siemens AG, 1000 Berlin und 8000 München | Puls-doppler-radargeraet mit veraenderbarer pulsfolgefrequenz |
-
1984
- 1984-12-21 FR FR8419648A patent/FR2575297B1/fr not_active Expired
-
1985
- 1985-11-28 IN IN1003/DEL/85A patent/IN165672B/en unknown
- 1985-12-16 CA CA000497700A patent/CA1248206A/en not_active Expired
- 1985-12-17 DE DE8585402519T patent/DE3579575D1/de not_active Expired - Fee Related
- 1985-12-17 EP EP85402519A patent/EP0187588B1/fr not_active Expired - Lifetime
- 1985-12-18 US US06/810,376 patent/US4727375A/en not_active Expired - Fee Related
- 1985-12-20 GR GR853123A patent/GR853123B/el unknown
- 1985-12-20 JP JP60287648A patent/JPS61155882A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE3579575D1 (de) | 1990-10-11 |
| JPS61155882A (ja) | 1986-07-15 |
| IN165672B (en, 2012) | 1989-12-02 |
| US4727375A (en) | 1988-02-23 |
| FR2575297B1 (fr) | 1987-01-16 |
| GR853123B (en, 2012) | 1986-04-22 |
| EP0187588B1 (fr) | 1990-09-05 |
| FR2575297A1 (fr) | 1986-06-27 |
| EP0187588A1 (fr) | 1986-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |