FI883449A0 - Kretsarrangemang foer avkodning av signaler vid frekvensmodulerad saendning. - Google Patents
Kretsarrangemang foer avkodning av signaler vid frekvensmodulerad saendning.Info
- Publication number
- FI883449A0 FI883449A0 FI883449A FI883449A FI883449A0 FI 883449 A0 FI883449 A0 FI 883449A0 FI 883449 A FI883449 A FI 883449A FI 883449 A FI883449 A FI 883449A FI 883449 A0 FI883449 A0 FI 883449A0
- Authority
- FI
- Finland
- Prior art keywords
- saendning
- kretsarrangemang
- frekvensmodulerad
- avkodning
- signaler
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/04—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
- H04N7/045—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier the carrier being frequency modulated
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8710580A FR2618625B1 (fr) | 1987-07-24 | 1987-07-24 | Dispositif d'amelioration du decodage de signaux numeriques lors de transmissions en modulation de frequence |
Publications (2)
Publication Number | Publication Date |
---|---|
FI883449A0 true FI883449A0 (fi) | 1988-07-21 |
FI883449A FI883449A (fi) | 1989-01-25 |
Family
ID=9353570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI883449A FI883449A (fi) | 1987-07-24 | 1988-07-21 | Kretsarrangemang foer avkodning av signaler vid frekvensmodulerad saendning. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4879729A (fi) |
EP (1) | EP0300565A1 (fi) |
JP (1) | JPS6444154A (fi) |
FI (1) | FI883449A (fi) |
FR (1) | FR2618625B1 (fi) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991007828A1 (en) * | 1989-11-09 | 1991-05-30 | Roger Reed | Digital circuit for a frequency modulation and carrier synthesis in a digital radio system |
AU6893191A (en) * | 1989-11-30 | 1991-06-26 | Motorola, Inc. | Method and apparatus for random fm noise cancellation |
US5267322A (en) * | 1991-12-13 | 1993-11-30 | Digital Sound Corporation | Digital automatic gain control with lookahead, adaptive noise floor sensing, and decay boost initialization |
GB9211712D0 (en) * | 1992-06-03 | 1992-07-15 | Fujitsu Microelectronics Ltd | Gm digital receive processing |
FR2707777B1 (fr) * | 1993-07-15 | 1995-08-18 | Bull Sa | Ensemble informatique à mémoire partagée. |
JP3473511B2 (ja) | 1999-07-22 | 2003-12-08 | 三菱電機株式会社 | マルチパスノイズ除去装置、オーディオ出力装置およびfm受信機 |
DE10102928B4 (de) * | 2001-01-23 | 2004-03-04 | Infineon Technologies Ag | Viterbi-Decoder und Verfahren zur Decodierung |
GB0214729D0 (en) * | 2002-06-26 | 2002-08-07 | Koninkl Philips Electronics Nv | Digital receiver arrangement and related method |
US6980932B2 (en) * | 2003-09-25 | 2005-12-27 | Agilent Technologies, Inc. | Digital measurements of spread spectrum clocking |
US8185079B2 (en) | 2010-08-12 | 2012-05-22 | General Electric Company | Frequency estimation immune to FM clicks |
EP2487801B1 (en) * | 2011-02-10 | 2018-09-05 | Nxp B.V. | Method and apparatus for reducing or removing click noise |
US9042203B2 (en) * | 2011-12-22 | 2015-05-26 | Cggveritas Services Sa | High-frequency content boost for vibratory seismic source and method |
CN110703202B (zh) * | 2019-10-22 | 2022-06-21 | 哈尔滨工程大学 | 基于多声学波浪滑翔机和水面无人艇的水下脉冲声定位系统 |
CN114152329B (zh) * | 2021-11-25 | 2023-07-21 | 哈尔滨工程大学 | 一种水声信号谱峰检测方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3353102A (en) * | 1963-12-26 | 1967-11-14 | Bell Telephone Labor Inc | Frequency shift receiver with noise frequency detection |
US3588705A (en) * | 1969-11-12 | 1971-06-28 | Nasa | Frequency-modulation demodulator threshold extension device |
US3979679A (en) * | 1975-06-30 | 1976-09-07 | California Microwave, Inc. | FM demodulator having squelch circuit using bucket brigade delay line |
JPS52132712A (en) * | 1976-04-30 | 1977-11-07 | Clarion Co Ltd | Noise deleting system |
JPS5932015B2 (ja) * | 1978-02-01 | 1984-08-06 | ケイディディ株式会社 | インパルス性雑音の除去方式 |
NL8402321A (nl) * | 1984-07-23 | 1986-02-17 | Philips Nv | Storingsdetektor. |
-
1987
- 1987-07-24 FR FR8710580A patent/FR2618625B1/fr not_active Expired
-
1988
- 1988-07-14 EP EP88201510A patent/EP0300565A1/fr not_active Withdrawn
- 1988-07-21 US US07/223,459 patent/US4879729A/en not_active Expired - Fee Related
- 1988-07-21 FI FI883449A patent/FI883449A/fi not_active IP Right Cessation
- 1988-07-23 JP JP63182835A patent/JPS6444154A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FI883449A (fi) | 1989-01-25 |
EP0300565A1 (fr) | 1989-01-25 |
US4879729A (en) | 1989-11-07 |
FR2618625B1 (fr) | 1989-11-24 |
FR2618625A1 (fr) | 1989-01-27 |
JPS6444154A (en) | 1989-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN |