IT942256B - Perfezionamento nei sistemi radar del tipo doppler - Google Patents
Perfezionamento nei sistemi radar del tipo dopplerInfo
- Publication number
- IT942256B IT942256B IT53838/71A IT5383871A IT942256B IT 942256 B IT942256 B IT 942256B IT 53838/71 A IT53838/71 A IT 53838/71A IT 5383871 A IT5383871 A IT 5383871A IT 942256 B IT942256 B IT 942256B
- Authority
- IT
- Italy
- Prior art keywords
- doppler
- improvement
- radar systems
- type radar
- type
- Prior art date
Links
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
- G01S13/53—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
-
- 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
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9172370A | 1970-11-23 | 1970-11-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT942256B true IT942256B (it) | 1973-03-20 |
Family
ID=22229350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT53838/71A IT942256B (it) | 1970-11-23 | 1971-11-02 | Perfezionamento nei sistemi radar del tipo doppler |
Country Status (11)
Country | Link |
---|---|
US (1) | US3706095A (it) |
JP (1) | JPS5120278B1 (it) |
AU (1) | AU459613B2 (it) |
BE (1) | BE775477A (it) |
CA (1) | CA967671A (it) |
DE (1) | DE2157342C3 (it) |
FR (1) | FR2115186B1 (it) |
GB (1) | GB1308089A (it) |
IL (1) | IL37880A (it) |
IT (1) | IT942256B (it) |
NL (1) | NL182246C (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4079378A (en) * | 1977-02-28 | 1978-03-14 | General Dynamics Corporation | Coherent pulse radar system with time-shared frequency source |
DE2907315A1 (de) * | 1979-02-24 | 1980-08-28 | Philips Patentverwaltung | Schaltungsanordnung zur auswertung von dopplerradarsignalen fuer ein dopplerradar im ghz-bereich |
FR2472759A1 (fr) * | 1979-12-28 | 1981-07-03 | Thomson Csf | Dispositif d'elimination des echos fixes dans les equipements de detection electromagnetique et equipements comportant un tel dispositif |
US5327141A (en) * | 1986-11-06 | 1994-07-05 | Raytheon Company | Clutter removal by polynomial compensation |
US5508605A (en) * | 1994-05-24 | 1996-04-16 | Alliedsignal Inc. | Method for measuring RF pulse frequency |
US5805460A (en) * | 1994-10-21 | 1998-09-08 | Alliedsignal Inc. | Method for measuring RF pulse rise time, fall time and pulse width |
US5519399A (en) * | 1994-12-05 | 1996-05-21 | Alliedsignal Inc. | Method for measuring the frequency of continuous wave and wide pulse RF signals |
JPWO2007122873A1 (ja) * | 2006-04-20 | 2009-09-03 | アンリツ株式会社 | 短パルスレーダ及びその制御方法 |
-
1970
- 1970-11-23 US US91723A patent/US3706095A/en not_active Expired - Lifetime
-
1971
- 1971-10-08 IL IL37880A patent/IL37880A/xx unknown
- 1971-10-11 AU AU34459/71A patent/AU459613B2/en not_active Expired
- 1971-10-11 GB GB4728871A patent/GB1308089A/en not_active Expired
- 1971-11-02 IT IT53838/71A patent/IT942256B/it active
- 1971-11-15 FR FR7140724A patent/FR2115186B1/fr not_active Expired
- 1971-11-16 CA CA127,806A patent/CA967671A/en not_active Expired
- 1971-11-17 BE BE775477A patent/BE775477A/xx not_active IP Right Cessation
- 1971-11-18 DE DE2157342A patent/DE2157342C3/de not_active Expired
- 1971-11-18 JP JP46091955A patent/JPS5120278B1/ja active Pending
- 1971-11-23 NL NLAANVRAGE7116092,A patent/NL182246C/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2157342C3 (de) | 1974-06-12 |
FR2115186A1 (it) | 1972-07-07 |
IL37880A (en) | 1974-03-14 |
FR2115186B1 (it) | 1977-01-21 |
DE2157342A1 (de) | 1972-05-31 |
US3706095A (en) | 1972-12-12 |
JPS5120278B1 (it) | 1976-06-23 |
NL182246B (nl) | 1987-09-01 |
AU3445971A (en) | 1973-04-19 |
DE2157342B2 (de) | 1973-11-15 |
BE775477A (fr) | 1972-03-16 |
CA967671A (en) | 1975-05-13 |
AU459613B2 (en) | 1975-04-10 |
IL37880A0 (en) | 1972-01-27 |
NL7116092A (it) | 1972-05-25 |
GB1308089A (en) | 1973-02-21 |
NL182246C (nl) | 1988-02-01 |
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