FR2472888A1 - Recepteur-indicateur bivoie des systemes radio a dephasage - Google Patents
Recepteur-indicateur bivoie des systemes radio a dephasage Download PDFInfo
- Publication number
- FR2472888A1 FR2472888A1 FR7931819A FR7931819A FR2472888A1 FR 2472888 A1 FR2472888 A1 FR 2472888A1 FR 7931819 A FR7931819 A FR 7931819A FR 7931819 A FR7931819 A FR 7931819A FR 2472888 A1 FR2472888 A1 FR 2472888A1
- Authority
- FR
- France
- Prior art keywords
- frequency
- input
- output
- piloted
- receiver
- 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
- 230000002457 bidirectional effect Effects 0.000 claims description 22
- 238000005259 measurement Methods 0.000 abstract description 23
- 230000010363 phase shift Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000001427 coherent effect Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000035559 beat frequency Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/08—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents by counting of standard pulses
-
- 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
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
- G01S1/304—Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems
-
- 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
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
- G01S1/36—Systems in which a beat frequency, obtained by heterodyning the synchronised signals, is compared in phase with a reference signal having a phase substantially independent of direction contains no documents
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Measuring Phase Differences (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/102,978 US4307401A (en) | 1979-12-11 | 1979-12-11 | Two-channel receiver-indicator for phase radio systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2472888A1 true FR2472888A1 (fr) | 1981-07-03 |
| FR2472888B1 FR2472888B1 (OSRAM) | 1981-12-24 |
Family
ID=22292715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7931819A Granted FR2472888A1 (fr) | 1979-12-11 | 1979-12-27 | Recepteur-indicateur bivoie des systemes radio a dephasage |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4307401A (OSRAM) |
| DE (1) | DE3000149C2 (OSRAM) |
| FR (1) | FR2472888A1 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478960B (en) * | 2010-03-25 | 2012-08-22 | Guidance Ip Ltd | An apparatus for measuring the relative direction of a radio signal |
| US9100113B2 (en) * | 2011-04-26 | 2015-08-04 | Forschungsverbund Berlin E.V. | Auto-heterodyne receiver |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3781695A (en) * | 1972-05-04 | 1973-12-25 | Westinghouse Electric Corp | Digital phase-locked-loop |
| FR2209257A1 (OSRAM) * | 1972-12-01 | 1974-06-28 | Neo Tec Etude Applic Tech | |
| US3984771A (en) * | 1975-10-20 | 1976-10-05 | Rca Corporation | Accurate digital phase/frequency extractor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1576421A (OSRAM) * | 1968-04-11 | 1969-08-01 | ||
| US4114155A (en) * | 1976-07-30 | 1978-09-12 | Cincinnati Electronics Corporation | Position determining apparatus and method |
-
1979
- 1979-12-11 US US06/102,978 patent/US4307401A/en not_active Expired - Lifetime
- 1979-12-27 FR FR7931819A patent/FR2472888A1/fr active Granted
-
1980
- 1980-01-04 DE DE3000149A patent/DE3000149C2/de not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3781695A (en) * | 1972-05-04 | 1973-12-25 | Westinghouse Electric Corp | Digital phase-locked-loop |
| FR2209257A1 (OSRAM) * | 1972-12-01 | 1974-06-28 | Neo Tec Etude Applic Tech | |
| US3984771A (en) * | 1975-10-20 | 1976-10-05 | Rca Corporation | Accurate digital phase/frequency extractor |
Non-Patent Citations (2)
| Title |
|---|
| NV8081/50 * |
| NV825/72 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2472888B1 (OSRAM) | 1981-12-24 |
| DE3000149A1 (de) | 1981-07-09 |
| US4307401A (en) | 1981-12-22 |
| DE3000149C2 (de) | 1982-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |