DE2216952B2 - - Google Patents
Info
- Publication number
- DE2216952B2 DE2216952B2 DE19722216952 DE2216952A DE2216952B2 DE 2216952 B2 DE2216952 B2 DE 2216952B2 DE 19722216952 DE19722216952 DE 19722216952 DE 2216952 A DE2216952 A DE 2216952A DE 2216952 B2 DE2216952 B2 DE 2216952B2
- Authority
- DE
- Germany
- Prior art keywords
- phase
- phase shift
- binary
- phase shifter
- group
- 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.)
- Granted
Links
- 230000010363 phase shift Effects 0.000 claims description 55
- 229910000859 α-Fe Inorganic materials 0.000 claims description 35
- 230000000694 effects Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims 2
- 230000000295 complement effect Effects 0.000 description 27
- 230000005540 biological transmission Effects 0.000 description 15
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- PSGAAPLEWMOORI-PEINSRQWSA-N medroxyprogesterone acetate Chemical compound C([C@@]12C)CC(=O)C=C1[C@@H](C)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@](OC(C)=O)(C(C)=O)CC[C@H]21 PSGAAPLEWMOORI-PEINSRQWSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic 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
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/426—Scanning radar, e.g. 3D radar
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
- H01Q3/38—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters the phase-shifters being digital
- H01Q3/385—Scan control logics
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1341360D GB1341360A (en) | 1972-04-07 | 1972-04-07 | Phased-array antenna |
| FR7212359A FR2178813B1 (enExample) | 1972-04-07 | 1972-04-07 | |
| DE19722216952 DE2216952C3 (de) | 1972-04-07 | 1972-04-08 | Phasengesteuerte Radar-Strahlergruppe |
| NL7204873A NL7204873A (enExample) | 1972-04-07 | 1972-04-12 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7212359A FR2178813B1 (enExample) | 1972-04-07 | 1972-04-07 | |
| GB1611572 | 1972-04-07 | ||
| DE19722216952 DE2216952C3 (de) | 1972-04-07 | 1972-04-08 | Phasengesteuerte Radar-Strahlergruppe |
| NL7204873A NL7204873A (enExample) | 1972-04-07 | 1972-04-12 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2216952A1 DE2216952A1 (de) | 1973-10-18 |
| DE2216952B2 true DE2216952B2 (enExample) | 1979-09-06 |
| DE2216952C3 DE2216952C3 (de) | 1980-05-22 |
Family
ID=27431471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722216952 Expired DE2216952C3 (de) | 1972-04-07 | 1972-04-08 | Phasengesteuerte Radar-Strahlergruppe |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2216952C3 (enExample) |
| FR (1) | FR2178813B1 (enExample) |
| GB (1) | GB1341360A (enExample) |
| NL (1) | NL7204873A (enExample) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1233532A (enExample) * | 1967-03-31 | 1971-05-26 |
-
1972
- 1972-04-07 FR FR7212359A patent/FR2178813B1/fr not_active Expired
- 1972-04-07 GB GB1341360D patent/GB1341360A/en not_active Expired
- 1972-04-08 DE DE19722216952 patent/DE2216952C3/de not_active Expired
- 1972-04-12 NL NL7204873A patent/NL7204873A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7204873A (enExample) | 1973-10-16 |
| DE2216952C3 (de) | 1980-05-22 |
| FR2178813A1 (enExample) | 1973-11-16 |
| GB1341360A (en) | 1973-12-19 |
| FR2178813B1 (enExample) | 1977-01-14 |
| DE2216952A1 (de) | 1973-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |