FR2291639A1 - METHOD AND DEVICE FOR ENSURING THE CORRELATION OF CODED SIGNALS - Google Patents
METHOD AND DEVICE FOR ENSURING THE CORRELATION OF CODED SIGNALSInfo
- Publication number
- FR2291639A1 FR2291639A1 FR7535227A FR7535227A FR2291639A1 FR 2291639 A1 FR2291639 A1 FR 2291639A1 FR 7535227 A FR7535227 A FR 7535227A FR 7535227 A FR7535227 A FR 7535227A FR 2291639 A1 FR2291639 A1 FR 2291639A1
- Authority
- FR
- France
- Prior art keywords
- correlation
- ensuring
- coded signals
- coded
- signals
- 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
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
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 true FR2291639A1 (en) | 1976-06-11 |
FR2291639B3 FR2291639B3 (en) | 1978-08-18 |
Family
ID=24090898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7535227A Granted FR2291639A1 (en) | 1974-11-18 | 1975-11-18 | METHOD AND DEVICE FOR ENSURING THE CORRELATION OF CODED SIGNALS |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5173397A (en) |
DE (1) | DE2551559A1 (en) |
FR (1) | FR2291639A1 (en) |
GB (1) | GB1516659A (en) |
NL (1) | NL7513360A (en) |
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/en unknown
- 1975-11-17 JP JP50137353A patent/JPS5173397A/en active Pending
- 1975-11-17 DE DE19752551559 patent/DE2551559A1/en active Pending
- 1975-11-18 FR FR7535227A patent/FR2291639A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
NL7513360A (en) | 1976-05-20 |
DE2551559A1 (en) | 1976-05-20 |
GB1516659A (en) | 1978-07-05 |
FR2291639B3 (en) | 1978-08-18 |
JPS5173397A (en) | 1976-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |