IT1176437B - FREQUENCY MODULATED SIGNAL DEMODULATION BY DIGITAL DELAY AND AUTOCORRELATION - Google Patents
FREQUENCY MODULATED SIGNAL DEMODULATION BY DIGITAL DELAY AND AUTOCORRELATIONInfo
- Publication number
- IT1176437B IT1176437B IT21964/84A IT2196484A IT1176437B IT 1176437 B IT1176437 B IT 1176437B IT 21964/84 A IT21964/84 A IT 21964/84A IT 2196484 A IT2196484 A IT 2196484A IT 1176437 B IT1176437 B IT 1176437B
- Authority
- IT
- Italy
- Prior art keywords
- autocorrelation
- modulated signal
- frequency modulated
- signal demodulation
- digital delay
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51681383A | 1983-07-25 | 1983-07-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8421964A0 IT8421964A0 (en) | 1984-07-19 |
IT1176437B true IT1176437B (en) | 1987-08-18 |
Family
ID=24057194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21964/84A IT1176437B (en) | 1983-07-25 | 1984-07-19 | FREQUENCY MODULATED SIGNAL DEMODULATION BY DIGITAL DELAY AND AUTOCORRELATION |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS6068703A (en) |
DE (1) | DE3425782A1 (en) |
FR (1) | FR2550675A1 (en) |
GB (1) | GB2144004A (en) |
IT (1) | IT1176437B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0770923B2 (en) * | 1985-04-25 | 1995-07-31 | 松下電器産業株式会社 | Synchronous detector |
JP2798526B2 (en) * | 1991-06-20 | 1998-09-17 | 富士通株式会社 | Frequency discriminator |
FR2738421B1 (en) * | 1995-08-30 | 1997-10-17 | Suisse Electronique Microtech | DEMODULATOR DEVICE OF A FREQUENCY MODULATED SIGNAL |
JP3754403B2 (en) | 2002-07-26 | 2006-03-15 | 株式会社東芝 | Digital watermark detection method and apparatus |
JP4519678B2 (en) | 2005-02-21 | 2010-08-04 | 株式会社東芝 | Digital watermark detection method and apparatus, digital watermark embedding method and apparatus |
JP4118279B2 (en) | 2005-03-11 | 2008-07-16 | 株式会社東芝 | Digital watermark detection apparatus and method |
JP4413858B2 (en) | 2005-12-13 | 2010-02-10 | 株式会社東芝 | Random number test circuit |
DE102006001868B4 (en) | 2006-01-13 | 2012-03-01 | Austriamicrosystems Ag | Circuit arrangement and method for controlling an electrical load and a power supply device |
US7768216B2 (en) | 2006-06-28 | 2010-08-03 | Austriamicrosystems Ag | Control circuit and method for controlling light emitting diodes |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3392337A (en) * | 1965-02-09 | 1968-07-09 | Continental Electronics Mfg | Wide band frequency discriminator employing a constant delay |
US3624523A (en) * | 1969-09-19 | 1971-11-30 | Hughes Aircraft Co | Digital frequency discriminator |
GB1368419A (en) * | 1973-06-11 | 1974-09-25 | Singer Co | Crystal controlled frequency discriminator |
FR2237357B1 (en) * | 1973-07-09 | 1977-02-18 | Singer Co | |
GB1530151A (en) * | 1976-01-12 | 1978-10-25 | Gen Electric Co Ltd | Frequency discriminators |
-
1984
- 1984-07-10 GB GB08417549A patent/GB2144004A/en not_active Withdrawn
- 1984-07-13 DE DE19843425782 patent/DE3425782A1/en not_active Withdrawn
- 1984-07-18 FR FR8411360A patent/FR2550675A1/en active Pending
- 1984-07-19 IT IT21964/84A patent/IT1176437B/en active
- 1984-07-25 JP JP59153303A patent/JPS6068703A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB8417549D0 (en) | 1984-08-15 |
DE3425782A1 (en) | 1985-02-14 |
GB2144004A (en) | 1985-02-20 |
FR2550675A1 (en) | 1985-02-15 |
JPS6068703A (en) | 1985-04-19 |
IT8421964A0 (en) | 1984-07-19 |
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