FR1369397A - Perfectionnements aux radioaltimètres à modulation de fréquence - Google Patents
Perfectionnements aux radioaltimètres à modulation de fréquenceInfo
- Publication number
- FR1369397A FR1369397A FR935368A FR935368A FR1369397A FR 1369397 A FR1369397 A FR 1369397A FR 935368 A FR935368 A FR 935368A FR 935368 A FR935368 A FR 935368A FR 1369397 A FR1369397 A FR 1369397A
- Authority
- FR
- France
- Prior art keywords
- frequency modulation
- modulation radio
- radio altimeters
- altimeters
- frequency
- 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
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/345—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using triangular modulation
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR935368A FR1369397A (fr) | 1963-05-20 | 1963-05-20 | Perfectionnements aux radioaltimètres à modulation de fréquence |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR935368A FR1369397A (fr) | 1963-05-20 | 1963-05-20 | Perfectionnements aux radioaltimètres à modulation de fréquence |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1369397A true FR1369397A (fr) | 1964-08-14 |
Family
ID=8804214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR935368A Expired FR1369397A (fr) | 1963-05-20 | 1963-05-20 | Perfectionnements aux radioaltimètres à modulation de fréquence |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1369397A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2377044A1 (fr) * | 1977-01-11 | 1978-08-04 | Labo Cent Telecommunicat | Perfectionnements aux radars continus a modulation de frequence |
FR2511159A1 (fr) * | 1981-08-10 | 1983-02-11 | Bendix Corp | Radio-altimetres a modulation de frequence et onde entretenue perfectionnes |
-
1963
- 1963-05-20 FR FR935368A patent/FR1369397A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2377044A1 (fr) * | 1977-01-11 | 1978-08-04 | Labo Cent Telecommunicat | Perfectionnements aux radars continus a modulation de frequence |
FR2511159A1 (fr) * | 1981-08-10 | 1983-02-11 | Bendix Corp | Radio-altimetres a modulation de frequence et onde entretenue perfectionnes |
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