FR2821999B1 - Dispositif de synthetisation d'un signal de bruit pseudo-aleatoire - Google Patents
Dispositif de synthetisation d'un signal de bruit pseudo-aleatoireInfo
- Publication number
- FR2821999B1 FR2821999B1 FR8905965A FR8905965A FR2821999B1 FR 2821999 B1 FR2821999 B1 FR 2821999B1 FR 8905965 A FR8905965 A FR 8905965A FR 8905965 A FR8905965 A FR 8905965A FR 2821999 B1 FR2821999 B1 FR 2821999B1
- Authority
- FR
- France
- Prior art keywords
- pseudo
- synthesizing
- noise signal
- random noise
- random
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B29/00—Generation of noise currents and voltages
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/191,451 US5436973A (en) | 1988-05-09 | 1988-05-09 | Pseudo-random signal synthesizer with smooth, flat power spectrum |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2821999A1 FR2821999A1 (fr) | 2002-09-13 |
FR2821999B1 true FR2821999B1 (fr) | 2003-07-04 |
Family
ID=22705550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8905965A Expired - Fee Related FR2821999B1 (fr) | 1988-05-09 | 1989-05-05 | Dispositif de synthetisation d'un signal de bruit pseudo-aleatoire |
Country Status (5)
Country | Link |
---|---|
US (1) | US5436973A (fr) |
DE (1) | DE3914214C1 (fr) |
FR (1) | FR2821999B1 (fr) |
GB (1) | GB2384954B (fr) |
IT (1) | IT8947927A0 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5608727A (en) * | 1995-05-02 | 1997-03-04 | Motorola, Inc. | Method and system for management of frequency spectrum among multiple applications on a shared medium |
FR2758920B1 (fr) * | 1997-01-29 | 1999-03-05 | Telediffusion Fse | Source de bruit pour qualification d'amplificateur |
US20060276143A1 (en) * | 1997-10-03 | 2006-12-07 | Anglin Richard L Jr | Digital radio system |
AU2001229297A1 (en) | 2000-01-10 | 2001-07-24 | Airnet Communications Corporation | Method and apparatus for equalization in transmit and receive levels in a broadband transceiver system |
JP3502065B2 (ja) * | 2001-04-24 | 2004-03-02 | 株式会社三技協 | 乱数発生装置 |
US6400161B1 (en) * | 2001-05-23 | 2002-06-04 | Donald Joseph Geisel | Material segregation and density analyzing apparatus and method |
DE10212605B4 (de) * | 2002-03-21 | 2004-09-23 | Infineon Technologies Ag | Verfahren und Vorrichtung zur getakteten Ansteuerung eines Schaltelements |
TWI226232B (en) * | 2003-11-27 | 2005-01-11 | Xie Neng Biotech Corp | Method for generating non-constant oscillatory configuration |
WO2007013973A2 (fr) * | 2005-07-20 | 2007-02-01 | Shattil, Steve | Systemes et procede pour communication en bande ultra large a haut debit de donnees |
WO2008013083A1 (fr) * | 2006-07-25 | 2008-01-31 | Nec Corporation | Générateur de nombres pseudo-aléatoires, dispositif de cryptage de flux et programme |
US10551491B2 (en) * | 2017-03-10 | 2020-02-04 | Planet Labs Inc. | Systems and methods for performing synthetic aperture radar imaging using superchirps |
US10670711B2 (en) | 2017-09-29 | 2020-06-02 | Planet Labs Inc. | Systems for synthetic aperture radar transmit and receive antennas |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4396894A (en) * | 1977-10-25 | 1983-08-02 | Westinghouse Electric Corp. | Digital noise generating apparatus |
DE3672182D1 (de) * | 1985-03-15 | 1990-07-26 | Emi Ltd | Signalgenerator mit gespreitztem spektrum. |
US4644299A (en) * | 1986-02-14 | 1987-02-17 | Hughes Aircraft Company | Multimode noise generator using digital FM |
-
1988
- 1988-05-09 US US07/191,451 patent/US5436973A/en not_active Expired - Lifetime
-
1989
- 1989-04-28 DE DE3914214A patent/DE3914214C1/de not_active Expired - Fee Related
- 1989-05-05 FR FR8905965A patent/FR2821999B1/fr not_active Expired - Fee Related
- 1989-05-05 GB GB8910334A patent/GB2384954B/en not_active Expired - Fee Related
- 1989-05-08 IT IT8947927A patent/IT8947927A0/it unknown
Also Published As
Publication number | Publication date |
---|---|
DE3914214C1 (de) | 2000-12-28 |
GB2384954A (en) | 2003-08-06 |
IT8947927A0 (it) | 1989-05-08 |
US5436973A (en) | 1995-07-25 |
FR2821999A1 (fr) | 2002-09-13 |
GB8910334D0 (en) | 2002-08-28 |
GB2384954B (en) | 2004-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20070131 |