DE2316910A1 - Antennenreihe mit winkelfilter - Google Patents
Antennenreihe mit winkelfilterInfo
- Publication number
- DE2316910A1 DE2316910A1 DE2316910A DE2316910A DE2316910A1 DE 2316910 A1 DE2316910 A1 DE 2316910A1 DE 2316910 A DE2316910 A DE 2316910A DE 2316910 A DE2316910 A DE 2316910A DE 2316910 A1 DE2316910 A1 DE 2316910A1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- row
- antenna
- angle
- plates
- 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.)
- Pending
Links
- 230000007704 transition Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping 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
- 235000013601 eggs Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010363 phase shift 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
- G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24171772A | 1972-04-06 | 1972-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2316910A1 true DE2316910A1 (de) | 1973-10-18 |
Family
ID=22911873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2316910A Pending DE2316910A1 (de) | 1972-04-06 | 1973-04-04 | Antennenreihe mit winkelfilter |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3737908A (https=) |
| JP (1) | JPS5144399B2 (https=) |
| AU (1) | AU5413873A (https=) |
| BE (1) | BE797837A (https=) |
| CA (1) | CA1005892A (https=) |
| DE (1) | DE2316910A1 (https=) |
| ES (1) | ES413427A1 (https=) |
| FR (1) | FR2179150A1 (https=) |
| GB (1) | GB1424693A (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632256U (https=) * | 1979-08-16 | 1981-03-30 | ||
| FR2913774B1 (fr) * | 2007-03-16 | 2010-11-26 | Thales Sa | Dispositif et procede de localisation d'un mobile a l'approche d'une surface reflechissant les ondes electromagnetiques |
| CN113567941B (zh) * | 2021-08-04 | 2023-09-19 | 上海无线电设备研究所 | 一种目标近场多普勒回波快速仿真方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1236141A (en) * | 1969-03-07 | 1971-06-23 | Standard Telephones Cables Ltd | Radio navigation system |
-
1972
- 1972-04-06 US US00241717A patent/US3737908A/en not_active Expired - Lifetime
-
1973
- 1973-03-30 GB GB1537873A patent/GB1424693A/en not_active Expired
- 1973-04-04 DE DE2316910A patent/DE2316910A1/de active Pending
- 1973-04-05 FR FR7312265A patent/FR2179150A1/fr not_active Withdrawn
- 1973-04-05 AU AU54138/73A patent/AU5413873A/en not_active Expired
- 1973-04-05 CA CA167,994A patent/CA1005892A/en not_active Expired
- 1973-04-06 JP JP48038813A patent/JPS5144399B2/ja not_active Expired
- 1973-04-06 ES ES413427A patent/ES413427A1/es not_active Expired
- 1973-04-06 BE BE2052657A patent/BE797837A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES413427A1 (es) | 1976-01-16 |
| JPS5144399B2 (https=) | 1976-11-27 |
| GB1424693A (en) | 1976-02-11 |
| CA1005892A (en) | 1977-02-22 |
| FR2179150A1 (https=) | 1973-11-16 |
| AU5413873A (en) | 1974-10-10 |
| BE797837A (fr) | 1973-10-08 |
| JPS4910694A (https=) | 1974-01-30 |
| US3737908A (en) | 1973-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |