FR1203217A - Perfectionnements aux systèmes de détermination radio-électrique des distances - Google Patents
Perfectionnements aux systèmes de détermination radio-électrique des distancesInfo
- Publication number
- FR1203217A FR1203217A FR1203217DA FR1203217A FR 1203217 A FR1203217 A FR 1203217A FR 1203217D A FR1203217D A FR 1203217DA FR 1203217 A FR1203217 A FR 1203217A
- Authority
- FR
- France
- Prior art keywords
- radio
- distance determination
- determination systems
- electric distance
- electric
- 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.)
- Expired
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1203217T | 1958-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1203217A true FR1203217A (fr) | 1960-01-15 |
Family
ID=9672357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1203217D Expired FR1203217A (fr) | 1958-07-26 | 1958-07-26 | Perfectionnements aux systèmes de détermination radio-électrique des distances |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1203217A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1289144B (de) * | 1964-01-31 | 1969-02-13 | Geophysique Cie Gle | Funknavigationsanordnung zur Messung der Entfernung zwischen zwei Stationen durch Feststellung einer Phasendifferenz |
DE1591158B1 (de) * | 1967-06-01 | 1971-03-04 | Hastings Raydist Inc | Beweglicher funknavigationsempfaenger fuer entfernungs messung gegenueber zwei festen stationen durch phasen vergleich |
-
1958
- 1958-07-26 FR FR1203217D patent/FR1203217A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1289144B (de) * | 1964-01-31 | 1969-02-13 | Geophysique Cie Gle | Funknavigationsanordnung zur Messung der Entfernung zwischen zwei Stationen durch Feststellung einer Phasendifferenz |
DE1591158B1 (de) * | 1967-06-01 | 1971-03-04 | Hastings Raydist Inc | Beweglicher funknavigationsempfaenger fuer entfernungs messung gegenueber zwei festen stationen durch phasen vergleich |
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