NL7204873A - - Google Patents
Info
- Publication number
- NL7204873A NL7204873A NL7204873A NL7204873A NL7204873A NL 7204873 A NL7204873 A NL 7204873A NL 7204873 A NL7204873 A NL 7204873A NL 7204873 A NL7204873 A NL 7204873A NL 7204873 A NL7204873 A NL 7204873A
- Authority
- NL
- Netherlands
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
- G01S13/06—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 (fr) | 1972-04-07 | 1972-04-07 | |
DE19722216952 DE2216952C3 (de) | 1972-04-07 | 1972-04-08 | Phasengesteuerte Radar-Strahlergruppe |
NL7204873A NL7204873A (fr) | 1972-04-07 | 1972-04-12 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1611572 | 1972-04-07 | ||
FR7212359A FR2178813B1 (fr) | 1972-04-07 | 1972-04-07 | |
DE19722216952 DE2216952C3 (de) | 1972-04-07 | 1972-04-08 | Phasengesteuerte Radar-Strahlergruppe |
NL7204873A NL7204873A (fr) | 1972-04-07 | 1972-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7204873A true NL7204873A (fr) | 1973-10-16 |
Family
ID=27431471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7204873A NL7204873A (fr) | 1972-04-07 | 1972-04-12 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2216952C3 (fr) |
FR (1) | FR2178813B1 (fr) |
GB (1) | GB1341360A (fr) |
NL (1) | NL7204873A (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1233532A (fr) * | 1967-03-31 | 1971-05-26 |
-
1972
- 1972-04-07 GB GB1341360D patent/GB1341360A/en not_active Expired
- 1972-04-07 FR FR7212359A patent/FR2178813B1/fr 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 |
---|---|
FR2178813B1 (fr) | 1977-01-14 |
GB1341360A (en) | 1973-12-19 |
FR2178813A1 (fr) | 1973-11-16 |
DE2216952A1 (de) | 1973-10-18 |
DE2216952C3 (de) | 1980-05-22 |
DE2216952B2 (fr) | 1979-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BV | The patent application has lapsed |