FR2276731A2 - Procede et systeme de controle automatique de frequence - Google Patents
Procede et systeme de controle automatique de frequenceInfo
- Publication number
- FR2276731A2 FR2276731A2 FR7422066A FR7422066A FR2276731A2 FR 2276731 A2 FR2276731 A2 FR 2276731A2 FR 7422066 A FR7422066 A FR 7422066A FR 7422066 A FR7422066 A FR 7422066A FR 2276731 A2 FR2276731 A2 FR 2276731A2
- Authority
- FR
- France
- Prior art keywords
- carrier wave
- synchronised
- switches
- control system
- radar 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
- 230000001360 synchronised effect Effects 0.000 title abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
- H03D9/02—Demodulation using distributed inductance and capacitance, e.g. in feeder lines
-
- 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
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
-
- 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
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7422066A FR2276731A2 (fr) | 1971-10-18 | 1974-06-25 | Procede et systeme de controle automatique de frequence |
| IT53495/74A IT1021779B (it) | 1974-06-25 | 1974-10-11 | Procedimento e sistema di controllo automatico di frequenza |
| GB4485174A GB1477155A (en) | 1974-06-25 | 1974-10-16 | System for automatic frequency control |
| SE7413867A SE404636B (sv) | 1974-06-25 | 1974-11-05 | Anordning for att inreglera en oscillators frekvens till berfrekvensen for en puls |
| NL7414577A NL7414577A (nl) | 1974-06-25 | 1974-11-08 | Werkwijze en inrichting voor het regelen van de frequentie van een oscillator en radar-ont- vanger met toepassing van de inrichting. |
| US05/523,006 US3996588A (en) | 1974-06-25 | 1974-11-11 | System for automatic frequency control |
| DE19742454334 DE2454334A1 (de) | 1974-06-25 | 1974-11-15 | Verfahren und anordnung zur frequenzregelung |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7137302A FR2280238A1 (fr) | 1971-10-18 | 1971-10-18 | Procede et systeme de controle automatique de frequence |
| FR7422066A FR2276731A2 (fr) | 1971-10-18 | 1974-06-25 | Procede et systeme de controle automatique de frequence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2276731A2 true FR2276731A2 (fr) | 1976-01-23 |
| FR2276731B2 FR2276731B2 (en:Method) | 1978-05-26 |
Family
ID=26216667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7422066A Granted FR2276731A2 (fr) | 1971-10-18 | 1974-06-25 | Procede et systeme de controle automatique de frequence |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2276731A2 (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2439511A1 (fr) * | 1978-10-16 | 1980-05-16 | Licentia Gmbh | Montage comprenant une boucle de regulation |
| FR2439527A1 (fr) * | 1978-10-16 | 1980-05-16 | Licentia Gmbh | Montage de telecommande, notamment pour recepteurs de radiodiffusion et de television |
-
1974
- 1974-06-25 FR FR7422066A patent/FR2276731A2/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2439511A1 (fr) * | 1978-10-16 | 1980-05-16 | Licentia Gmbh | Montage comprenant une boucle de regulation |
| FR2439527A1 (fr) * | 1978-10-16 | 1980-05-16 | Licentia Gmbh | Montage de telecommande, notamment pour recepteurs de radiodiffusion et de television |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2276731B2 (en:Method) | 1978-05-26 |
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