FR2375761A1 - Dispositif pour la modulation de faisceaux haute frequence modules - Google Patents
Dispositif pour la modulation de faisceaux haute frequence modulesInfo
- Publication number
- FR2375761A1 FR2375761A1 FR7638467A FR7638467A FR2375761A1 FR 2375761 A1 FR2375761 A1 FR 2375761A1 FR 7638467 A FR7638467 A FR 7638467A FR 7638467 A FR7638467 A FR 7638467A FR 2375761 A1 FR2375761 A1 FR 2375761A1
- Authority
- FR
- France
- Prior art keywords
- modulation
- fed
- antennae
- amplitude
- sequential switching
- 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
Classifications
-
- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- 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
Landscapes
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7638467A FR2375761A1 (fr) | 1976-12-21 | 1976-12-21 | Dispositif pour la modulation de faisceaux haute frequence modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7638467A FR2375761A1 (fr) | 1976-12-21 | 1976-12-21 | Dispositif pour la modulation de faisceaux haute frequence modules |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2375761A1 true FR2375761A1 (fr) | 1978-07-21 |
| FR2375761B1 FR2375761B1 (https=) | 1982-11-05 |
Family
ID=9181316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7638467A Granted FR2375761A1 (fr) | 1976-12-21 | 1976-12-21 | Dispositif pour la modulation de faisceaux haute frequence modules |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2375761A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2661781A1 (fr) * | 1990-02-26 | 1991-11-08 | Mitsubishi Electric Corp | Systeme d'antenne. |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3056961A (en) * | 1957-08-15 | 1962-10-02 | Post Office | Steerable directional random antenna array |
| US3140490A (en) * | 1961-11-30 | 1964-07-07 | Sichak Associates | Communication system with automatic antenna beam steering |
| FR1591231A (https=) * | 1967-11-03 | 1970-04-27 | ||
| US3573837A (en) * | 1969-06-30 | 1971-04-06 | Us Navy | Vector transfer feed system for a circular array antenna |
| US3670335A (en) * | 1967-06-08 | 1972-06-13 | Bell Telephone Labor Inc | Arrays with nulls steered independently of main beam |
| FR2171256A1 (https=) * | 1972-02-07 | 1973-09-21 | Commw Scient Ind Res Org | |
| US3964066A (en) * | 1975-01-02 | 1976-06-15 | International Telephone And Telegraph Corporation | Electronic scanned cylindrical-array antenna using network approach for reduced system complexity |
| US3993999A (en) * | 1975-05-16 | 1976-11-23 | Texas Instruments Incorporated | Amplitude modulation scanning antenna system |
-
1976
- 1976-12-21 FR FR7638467A patent/FR2375761A1/fr active Granted
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3056961A (en) * | 1957-08-15 | 1962-10-02 | Post Office | Steerable directional random antenna array |
| US3140490A (en) * | 1961-11-30 | 1964-07-07 | Sichak Associates | Communication system with automatic antenna beam steering |
| US3670335A (en) * | 1967-06-08 | 1972-06-13 | Bell Telephone Labor Inc | Arrays with nulls steered independently of main beam |
| FR1591231A (https=) * | 1967-11-03 | 1970-04-27 | ||
| US3573837A (en) * | 1969-06-30 | 1971-04-06 | Us Navy | Vector transfer feed system for a circular array antenna |
| FR2171256A1 (https=) * | 1972-02-07 | 1973-09-21 | Commw Scient Ind Res Org | |
| GB1416364A (en) * | 1972-02-07 | 1975-12-03 | Commw Scient Ind Res Org | Generation of scanning radio beans |
| US3964066A (en) * | 1975-01-02 | 1976-06-15 | International Telephone And Telegraph Corporation | Electronic scanned cylindrical-array antenna using network approach for reduced system complexity |
| US3993999A (en) * | 1975-05-16 | 1976-11-23 | Texas Instruments Incorporated | Amplitude modulation scanning antenna system |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/75 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2661781A1 (fr) * | 1990-02-26 | 1991-11-08 | Mitsubishi Electric Corp | Systeme d'antenne. |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2375761B1 (https=) | 1982-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4216474A (en) | Pulse frequency modulator and compressor for staircase FM radar systems | |
| SE7901050L (sv) | Fasat antennsystem | |
| TW327262B (en) | Wideband vector modulator | |
| CA983584A (en) | Laser-radio frequency energy beam system | |
| US3185981A (en) | Doppler navigation system | |
| FR2375761A1 (fr) | Dispositif pour la modulation de faisceaux haute frequence modules | |
| GB1425141A (en) | Antenna system for radiating doppler coded pattern using sequential modal excitation | |
| GB1534487A (en) | Microwave transmission devices | |
| JPS56149838A (en) | Light wave length multiplexing equipment | |
| JPS5418296A (en) | Radar device | |
| GB1434532A (en) | Multiple frequency continuous wave radars | |
| US4408206A (en) | System for transmitting power from a solar satellite to earth and subsequent conversion to a 60 Hertz three phase signal | |
| US3896444A (en) | Blending function and blending function generator | |
| JPS554147A (en) | Generator for circular polarized wave | |
| GB1529335A (en) | Suppressed carrier double sideband modulator for use in a vor goniometer | |
| JPS535919A (en) | Power synthesizer | |
| JPS55145448A (en) | Fm-fm system multiple signal generator | |
| JPS5531301A (en) | Power distributor circuit | |
| JPS5725705A (en) | Antenna having asymmetrical rotary radial beam | |
| JPS57101459A (en) | Two phase modulation circuit | |
| JPS5432249A (en) | Array antenna | |
| JPS5787212A (en) | Fm modulator and demodulator | |
| SU815957A1 (ru) | Частотный манипул тор | |
| SU659986A1 (ru) | Устройство дл измерени группового времени замедлени | |
| IT1058220B (it) | Perfezionamento nei sistemi di antenna a scansione mediante modulazione ci ampiezza |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |