JPS5120278B1 - - Google Patents
Info
- Publication number
- JPS5120278B1 JPS5120278B1 JP46091955A JP9195571A JPS5120278B1 JP S5120278 B1 JPS5120278 B1 JP S5120278B1 JP 46091955 A JP46091955 A JP 46091955A JP 9195571 A JP9195571 A JP 9195571A JP S5120278 B1 JPS5120278 B1 JP S5120278B1
- Authority
- JP
- Japan
- 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.)
- Pending
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 |
|---|---|
| JPS5120278B1 true JPS5120278B1 (it) | 1976-06-23 |
Family
ID=22229350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46091955A Pending JPS5120278B1 (it) | 1970-11-23 | 1971-11-18 |
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 GB GB4728871A patent/GB1308089A/en not_active Expired
- 1971-10-11 AU AU34459/71A patent/AU459613B2/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 |
|---|---|
| NL182246C (nl) | 1988-02-01 |
| FR2115186A1 (it) | 1972-07-07 |
| IL37880A (en) | 1974-03-14 |
| US3706095A (en) | 1972-12-12 |
| AU459613B2 (en) | 1975-04-10 |
| IL37880A0 (en) | 1972-01-27 |
| DE2157342B2 (de) | 1973-11-15 |
| AU3445971A (en) | 1973-04-19 |
| BE775477A (fr) | 1972-03-16 |
| GB1308089A (en) | 1973-02-21 |
| DE2157342A1 (de) | 1972-05-31 |
| NL182246B (nl) | 1987-09-01 |
| DE2157342C3 (de) | 1974-06-12 |
| IT942256B (it) | 1973-03-20 |
| NL7116092A (it) | 1972-05-25 |
| CA967671A (en) | 1975-05-13 |
| FR2115186B1 (it) | 1977-01-21 |