SE409148B - Filteranordning ingaende i mottagaren hos en pulsdopplerradar - Google Patents
Filteranordning ingaende i mottagaren hos en pulsdopplerradarInfo
- Publication number
- SE409148B SE409148B SE7709119A SE7709119A SE409148B SE 409148 B SE409148 B SE 409148B SE 7709119 A SE7709119 A SE 7709119A SE 7709119 A SE7709119 A SE 7709119A SE 409148 B SE409148 B SE 409148B
- Authority
- SE
- Sweden
- Prior art keywords
- filter
- graffiti
- radar
- frequency
- signals
- Prior art date
Links
- 238000005070 sampling Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction 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
- 238000002592 echocardiography Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000003595 spectral effect 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
- G01S13/50—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
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)
- Surgical Instruments (AREA)
- Sheet Holders (AREA)
- Electrotherapy Devices (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7709119A SE409148B (sv) | 1977-08-12 | 1977-08-12 | Filteranordning ingaende i mottagaren hos en pulsdopplerradar |
| GB7830900A GB2002617B (en) | 1977-08-12 | 1978-07-24 | Radar receiver for pulse doppler radar equipment |
| FR7822113A FR2400212A1 (fr) | 1977-08-12 | 1978-07-26 | Filtre pour radar doppler a impulsions |
| DE2833050A DE2833050C2 (de) | 1977-08-12 | 1978-07-27 | Impuls-Dopplerradar-Filteranordnung |
| FI782352A FI65863C (fi) | 1977-08-12 | 1978-07-28 | Filteranordning ingaoende i en pulsdopplerradar |
| NLAANVRAGE7808152,A NL187872C (nl) | 1977-08-12 | 1978-08-02 | Filter voor de ontvanger van een puls-doppler-radar. |
| IT26665/78A IT1098359B (it) | 1977-08-12 | 1978-08-10 | Dispositivo filtrante per radar a impulsi doppler |
| NO782748A NO145964C (no) | 1977-08-12 | 1978-08-11 | Filteranordning som inngaar i en pulsdopplerradar |
| DK356178A DK147428C (da) | 1977-08-12 | 1978-08-11 | Filterindretning til fjernelse af uoenskede ekkosignaler i en impuls-doppler-radarmodtager |
| CH855578A CH632850A5 (de) | 1977-08-12 | 1978-08-11 | Impuls-dopplerradar-filteranordnung. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7709119A SE409148B (sv) | 1977-08-12 | 1977-08-12 | Filteranordning ingaende i mottagaren hos en pulsdopplerradar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7709119L SE7709119L (sv) | 1979-02-13 |
| SE409148B true SE409148B (sv) | 1979-07-30 |
Family
ID=20331986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7709119A SE409148B (sv) | 1977-08-12 | 1977-08-12 | Filteranordning ingaende i mottagaren hos en pulsdopplerradar |
Country Status (10)
| Country | Link |
|---|---|
| CH (1) | CH632850A5 (de) |
| DE (1) | DE2833050C2 (de) |
| DK (1) | DK147428C (de) |
| FI (1) | FI65863C (de) |
| FR (1) | FR2400212A1 (de) |
| GB (1) | GB2002617B (de) |
| IT (1) | IT1098359B (de) |
| NL (1) | NL187872C (de) |
| NO (1) | NO145964C (de) |
| SE (1) | SE409148B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2632420B1 (fr) * | 1987-10-16 | 1990-10-12 | Thomson Csf | Procede et dispositif de compensation de la vitesse du fouillis dans un radar doppler coherent a vitesse ambigue variable |
| DE19654769A1 (de) * | 1996-12-30 | 1998-07-02 | Teves Gmbh Alfred | Verfahren und Vorrichtung zur Fahrzeugsteuerung bzw. -regelung |
| US6049302A (en) * | 1999-05-04 | 2000-04-11 | Boeing North American | Pulsed doppler radar system with small intermediate frequency filters |
| GB0301614D0 (en) * | 2003-01-24 | 2013-05-08 | Qinetiq Ltd | Target visibility enhancement system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3742500A (en) * | 1970-08-24 | 1973-06-26 | Raytheon Co | Mti radar |
| DE2212272A1 (de) * | 1971-03-17 | 1972-09-28 | Int Standard Electric Corp | Impulsdopplerradargeraet |
| US3962704A (en) * | 1974-05-31 | 1976-06-08 | Hughes Aircraft Company | Moving target indicator clutter tracker |
| US4035799A (en) * | 1975-11-04 | 1977-07-12 | The United States Of America As Represented By The Secretary Of The Navy | Digital mean clutter doppler compensation system |
-
1977
- 1977-08-12 SE SE7709119A patent/SE409148B/sv not_active IP Right Cessation
-
1978
- 1978-07-24 GB GB7830900A patent/GB2002617B/en not_active Expired
- 1978-07-26 FR FR7822113A patent/FR2400212A1/fr active Granted
- 1978-07-27 DE DE2833050A patent/DE2833050C2/de not_active Expired
- 1978-07-28 FI FI782352A patent/FI65863C/sv not_active IP Right Cessation
- 1978-08-02 NL NLAANVRAGE7808152,A patent/NL187872C/xx not_active IP Right Cessation
- 1978-08-10 IT IT26665/78A patent/IT1098359B/it active
- 1978-08-11 NO NO782748A patent/NO145964C/no unknown
- 1978-08-11 DK DK356178A patent/DK147428C/da not_active IP Right Cessation
- 1978-08-11 CH CH855578A patent/CH632850A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FI782352A7 (fi) | 1979-02-13 |
| DK147428C (da) | 1985-02-11 |
| NO145964C (no) | 1982-06-30 |
| FI65863C (fi) | 1984-07-10 |
| DE2833050A1 (de) | 1979-03-01 |
| FI65863B (fi) | 1984-03-30 |
| FR2400212A1 (fr) | 1979-03-09 |
| GB2002617A (en) | 1979-02-21 |
| FR2400212B1 (de) | 1984-12-28 |
| SE7709119L (sv) | 1979-02-13 |
| IT7826665A0 (it) | 1978-08-10 |
| DE2833050C2 (de) | 1986-08-07 |
| DK147428B (da) | 1984-07-30 |
| NO782748L (no) | 1979-02-13 |
| NO145964B (no) | 1982-03-22 |
| NL187872C (nl) | 1992-02-03 |
| IT1098359B (it) | 1985-09-07 |
| CH632850A5 (de) | 1982-10-29 |
| GB2002617B (en) | 1982-02-10 |
| NL7808152A (nl) | 1979-02-14 |
| NL187872B (nl) | 1991-09-02 |
| DK356178A (da) | 1979-02-13 |
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