IT950144B - Sistema per l eliminazione della velocita degli echi di disturbo adattabile per un sistema digitale ad impulsi indicatore di bersagli mobili - Google Patents
Sistema per l eliminazione della velocita degli echi di disturbo adattabile per un sistema digitale ad impulsi indicatore di bersagli mobiliInfo
- Publication number
- IT950144B IT950144B IT2179272A IT2179272A IT950144B IT 950144 B IT950144 B IT 950144B IT 2179272 A IT2179272 A IT 2179272A IT 2179272 A IT2179272 A IT 2179272A IT 950144 B IT950144 B IT 950144B
- Authority
- IT
- Italy
- Prior art keywords
- echoes
- adaptable
- elimination
- noise
- speed
- Prior art date
Links
- 230000008030 elimination Effects 0.000 title 1
- 238000003379 elimination reaction Methods 0.000 title 1
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 title 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
- G01S13/5242—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 with means for platform motion or scan motion compensation, e.g. airborne MTI
-
- 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
- G01S13/5244—Adaptive clutter cancellation
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12525771A | 1971-03-17 | 1971-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT950144B true IT950144B (it) | 1973-06-20 |
Family
ID=22418862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2179272A IT950144B (it) | 1971-03-17 | 1972-03-14 | Sistema per l eliminazione della velocita degli echi di disturbo adattabile per un sistema digitale ad impulsi indicatore di bersagli mobili |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5113638B1 (enrdf_load_stackoverflow) |
| DE (1) | DE2212272A1 (enrdf_load_stackoverflow) |
| ES (1) | ES400831A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2130388B1 (enrdf_load_stackoverflow) |
| IT (1) | IT950144B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2413607C2 (de) * | 1974-03-21 | 1983-05-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur Unterdrückung von Signalen bewegter Störziele in einem Quadraturradarsystem |
| FR2302535A2 (fr) * | 1975-02-25 | 1976-09-24 | Int Standard Electric Corp | Radar doppler a elimination d'images parasites |
| FR2340554A1 (fr) * | 1976-02-03 | 1977-09-02 | Thomson Csf | Dispositif de traitement des signaux d'un radar coherent a l'impulsions et systeme radar comportant un tel dispositif |
| NL185959C (nl) * | 1976-05-26 | 1990-08-16 | Raytheon Co | Pulsdopplerradarstelsel met digitale signaalverwerking. |
| FR2353864A1 (fr) * | 1976-06-01 | 1977-12-30 | Raytheon Co | Dispositif radar numerique a elimination d'images parasites |
| SE409148B (sv) * | 1977-08-12 | 1979-07-30 | Ericsson Telefon Ab L M | Filteranordning ingaende i mottagaren hos en pulsdopplerradar |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1114531A (en) * | 1964-02-12 | 1968-05-22 | Emi Ltd | Improvements relating to radar |
| US3505637A (en) * | 1964-03-10 | 1970-04-07 | Us Navy | Digital overflow threshold for sonar |
| DE1516760B2 (de) * | 1966-04-07 | 1971-12-30 | Hughes Aircraft Co., Culver City, Calif. (V.StA.) | Geraet zur automatischen radarzielfeststellung beim vorliegen ausreichend vieler videoquanten nicht zu langer quanten komplexe |
| FR1527968A (fr) * | 1967-04-12 | 1968-06-07 | Electronique & Radio Ind | Perfectionnements aux dispositifs éliminateurs de zones denses |
| US3500396A (en) * | 1968-12-23 | 1970-03-10 | Usa | Background averaging system for improving radar target detection |
-
1972
- 1972-03-14 DE DE19722212272 patent/DE2212272A1/de active Pending
- 1972-03-14 IT IT2179272A patent/IT950144B/it active
- 1972-03-16 ES ES400831A patent/ES400831A1/es not_active Expired
- 1972-03-17 FR FR7209416A patent/FR2130388B1/fr not_active Expired
- 1972-03-17 JP JP47027337A patent/JPS5113638B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2130388A1 (enrdf_load_stackoverflow) | 1972-11-03 |
| FR2130388B1 (enrdf_load_stackoverflow) | 1975-10-24 |
| JPS5113638B1 (enrdf_load_stackoverflow) | 1976-05-01 |
| DE2212272A1 (de) | 1972-09-28 |
| ES400831A1 (es) | 1975-02-01 |
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