FR1402677A - Installation for the determination by radar of the position of a mobile unit - Google Patents
Installation for the determination by radar of the position of a mobile unitInfo
- Publication number
- FR1402677A FR1402677A FR983853A FR983853A FR1402677A FR 1402677 A FR1402677 A FR 1402677A FR 983853 A FR983853 A FR 983853A FR 983853 A FR983853 A FR 983853A FR 1402677 A FR1402677 A FR 1402677A
- Authority
- FR
- France
- Prior art keywords
- radar
- determination
- installation
- mobile unit
- mobile
- 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
-
- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
- G01S13/84—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR983853A FR1402677A (en) | 1963-10-02 | 1964-07-31 | Installation for the determination by radar of the position of a mobile unit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US313255A US3303499A (en) | 1963-10-02 | 1963-10-02 | Radio location ranging system |
FR983853A FR1402677A (en) | 1963-10-02 | 1964-07-31 | Installation for the determination by radar of the position of a mobile unit |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1402677A true FR1402677A (en) | 1965-06-11 |
Family
ID=26209217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR983853A Expired FR1402677A (en) | 1963-10-02 | 1964-07-31 | Installation for the determination by radar of the position of a mobile unit |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1402677A (en) |
-
1964
- 1964-07-31 FR FR983853A patent/FR1402677A/en not_active Expired
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