FR2291639B3 - - Google Patents
Info
- Publication number
- FR2291639B3 FR2291639B3 FR7535227A FR7535227A FR2291639B3 FR 2291639 B3 FR2291639 B3 FR 2291639B3 FR 7535227 A FR7535227 A FR 7535227A FR 7535227 A FR7535227 A FR 7535227A FR 2291639 B3 FR2291639 B3 FR 2291639B3
- Authority
- FR
- France
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
- H04L27/2278—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using correlation techniques, e.g. for spread spectrum signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52484774A | 1974-11-18 | 1974-11-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2291639A1 FR2291639A1 (fr) | 1976-06-11 |
| FR2291639B3 true FR2291639B3 (es) | 1978-08-18 |
Family
ID=24090898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7535227A Granted FR2291639A1 (fr) | 1974-11-18 | 1975-11-18 | Procede et dispositif pour assurer la correlation de signaux codes |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5173397A (es) |
| DE (1) | DE2551559A1 (es) |
| FR (1) | FR2291639A1 (es) |
| GB (1) | GB1516659A (es) |
| NL (1) | NL7513360A (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2259820B (en) * | 1985-05-20 | 1993-08-25 | Gec Avionics | A noise radar |
-
1975
- 1975-10-23 GB GB4363575A patent/GB1516659A/en not_active Expired
- 1975-11-14 NL NL7513360A patent/NL7513360A/xx unknown
- 1975-11-17 JP JP50137353A patent/JPS5173397A/ja active Pending
- 1975-11-17 DE DE19752551559 patent/DE2551559A1/de active Pending
- 1975-11-18 FR FR7535227A patent/FR2291639A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1516659A (en) | 1978-07-05 |
| JPS5173397A (en) | 1976-06-25 |
| FR2291639A1 (fr) | 1976-06-11 |
| NL7513360A (nl) | 1976-05-20 |
| DE2551559A1 (de) | 1976-05-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |