FR59595E - Dispositif de repérage d'altitudes faibles - Google Patents
Dispositif de repérage d'altitudes faiblesInfo
- Publication number
- FR59595E FR59595E FR59595DA FR59595E FR 59595 E FR59595 E FR 59595E FR 59595D A FR59595D A FR 59595DA FR 59595 E FR59595 E FR 59595E
- Authority
- FR
- France
- Prior art keywords
- tracking device
- low altitude
- altitude tracking
- low
- tracking
- 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
- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR59595T | 1949-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR59595E true FR59595E (fr) | 1954-06-28 |
Family
ID=8693402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR59595D Expired FR59595E (fr) | 1949-03-18 | 1949-03-18 | Dispositif de repérage d'altitudes faibles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR59595E (fr) |
-
1949
- 1949-03-18 FR FR59595D patent/FR59595E/fr not_active Expired
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