DE2256563C3 - Puls-Doppler-Radargerät mit Digitalfiltern und Mischstufe - Google Patents
Puls-Doppler-Radargerät mit Digitalfiltern und MischstufeInfo
- Publication number
- DE2256563C3 DE2256563C3 DE19722256563 DE2256563A DE2256563C3 DE 2256563 C3 DE2256563 C3 DE 2256563C3 DE 19722256563 DE19722256563 DE 19722256563 DE 2256563 A DE2256563 A DE 2256563A DE 2256563 C3 DE2256563 C3 DE 2256563C3
- Authority
- DE
- Germany
- Prior art keywords
- radar device
- filter
- digital
- pulse doppler
- frequencies
- 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 claims description 20
- 230000010355 oscillation Effects 0.000 claims description 19
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- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 2
- 238000012217 deletion Methods 0.000 claims 1
- 230000037430 deletion Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 241001631457 Cannula Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 238000003379 elimination reaction Methods 0.000 description 2
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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
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/64—Velocity measuring systems using range gates
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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722256563 DE2256563C3 (de) | 1972-11-17 | 1972-11-17 | Puls-Doppler-Radargerät mit Digitalfiltern und Mischstufe |
| NL7315681A NL155097B (nl) | 1972-11-17 | 1973-11-15 | Pulsdopplerradarapparaat. |
| SE7315550A SE387178B (sv) | 1972-11-17 | 1973-11-16 | Forfarande och anordning for signalbearbetning vid pulsdoppler-radaranleggning, vilken utnyttjar digitalfilter |
| FR7340909A FR2217703B1 (enExample) | 1972-11-17 | 1973-11-16 | |
| GB5325873A GB1455833A (en) | 1972-11-17 | 1973-11-16 | Pulsed doppler radar systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722256563 DE2256563C3 (de) | 1972-11-17 | 1972-11-17 | Puls-Doppler-Radargerät mit Digitalfiltern und Mischstufe |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2256563A1 DE2256563A1 (de) | 1974-05-30 |
| DE2256563B2 DE2256563B2 (de) | 1974-10-10 |
| DE2256563C3 true DE2256563C3 (de) | 1975-05-28 |
Family
ID=5862072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722256563 Expired DE2256563C3 (de) | 1972-11-17 | 1972-11-17 | Puls-Doppler-Radargerät mit Digitalfiltern und Mischstufe |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2256563C3 (enExample) |
| FR (1) | FR2217703B1 (enExample) |
| GB (1) | GB1455833A (enExample) |
| NL (1) | NL155097B (enExample) |
| SE (1) | SE387178B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2646512B1 (enExample) * | 1989-04-28 | 1992-02-28 | Thomson Applic Radars Centre | |
| WO2013067594A1 (en) * | 2011-11-11 | 2013-05-16 | The University Of Melbourne | An apparatus and a method for obtaining information about at least one target |
-
1972
- 1972-11-17 DE DE19722256563 patent/DE2256563C3/de not_active Expired
-
1973
- 1973-11-15 NL NL7315681A patent/NL155097B/xx not_active IP Right Cessation
- 1973-11-16 GB GB5325873A patent/GB1455833A/en not_active Expired
- 1973-11-16 FR FR7340909A patent/FR2217703B1/fr not_active Expired
- 1973-11-16 SE SE7315550A patent/SE387178B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2256563B2 (de) | 1974-10-10 |
| FR2217703A1 (enExample) | 1974-09-06 |
| NL155097B (nl) | 1977-11-15 |
| GB1455833A (en) | 1976-11-17 |
| NL7315681A (enExample) | 1974-05-21 |
| DE2256563A1 (de) | 1974-05-30 |
| SE387178B (sv) | 1976-08-30 |
| FR2217703B1 (enExample) | 1976-06-25 |
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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 | ||
| 8339 | Ceased/non-payment of the annual fee |