DE2157342C3 - Doppler-Radarecho-Verarbeitungseinrichtung mit Bandsperrfilter und Torschaltung - Google Patents
Doppler-Radarecho-Verarbeitungseinrichtung mit Bandsperrfilter und TorschaltungInfo
- Publication number
- DE2157342C3 DE2157342C3 DE2157342A DE2157342A DE2157342C3 DE 2157342 C3 DE2157342 C3 DE 2157342C3 DE 2157342 A DE2157342 A DE 2157342A DE 2157342 A DE2157342 A DE 2157342A DE 2157342 C3 DE2157342 C3 DE 2157342C3
- Authority
- DE
- Germany
- Prior art keywords
- signals
- frequency
- band
- signal
- echo
- 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
- 238000012545 processing Methods 0.000 title claims description 7
- 238000001228 spectrum Methods 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 description 18
- 238000011156 evaluation Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000005315 distribution function Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000003313 weakening 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
- G01S13/53—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 (3)
| Publication Number | Publication Date |
|---|---|
| DE2157342A1 DE2157342A1 (de) | 1972-05-31 |
| DE2157342B2 DE2157342B2 (de) | 1973-11-15 |
| DE2157342C3 true DE2157342C3 (de) | 1974-06-12 |
Family
ID=22229350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2157342A Expired DE2157342C3 (de) | 1970-11-23 | 1971-11-18 | Doppler-Radarecho-Verarbeitungseinrichtung mit Bandsperrfilter und Torschaltung |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3706095A (enExample) |
| JP (1) | JPS5120278B1 (enExample) |
| AU (1) | AU459613B2 (enExample) |
| BE (1) | BE775477A (enExample) |
| CA (1) | CA967671A (enExample) |
| DE (1) | DE2157342C3 (enExample) |
| FR (1) | FR2115186B1 (enExample) |
| GB (1) | GB1308089A (enExample) |
| IL (1) | IL37880A (enExample) |
| IT (1) | IT942256B (enExample) |
| NL (1) | NL182246C (enExample) |
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 |
| US7812760B2 (en) * | 2006-04-20 | 2010-10-12 | Anritsu Corporation | Short-range radar and control method thereof |
-
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 JP JP46091955A patent/JPS5120278B1/ja active Pending
- 1971-11-18 DE DE2157342A patent/DE2157342C3/de not_active Expired
- 1971-11-23 NL NLAANVRAGE7116092,A patent/NL182246C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2157342B2 (de) | 1973-11-15 |
| AU459613B2 (en) | 1975-04-10 |
| NL182246B (nl) | 1987-09-01 |
| NL182246C (nl) | 1988-02-01 |
| NL7116092A (enExample) | 1972-05-25 |
| BE775477A (fr) | 1972-03-16 |
| FR2115186B1 (enExample) | 1977-01-21 |
| JPS5120278B1 (enExample) | 1976-06-23 |
| US3706095A (en) | 1972-12-12 |
| GB1308089A (en) | 1973-02-21 |
| IT942256B (it) | 1973-03-20 |
| DE2157342A1 (de) | 1972-05-31 |
| IL37880A0 (en) | 1972-01-27 |
| FR2115186A1 (enExample) | 1972-07-07 |
| CA967671A (en) | 1975-05-13 |
| IL37880A (en) | 1974-03-14 |
| AU3445971A (en) | 1973-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 |