NL175125C - Frequentie-bemonsterend, digitaal filter. - Google Patents
Frequentie-bemonsterend, digitaal filter.Info
- Publication number
- NL175125C NL175125C NLAANVRAGE7610083,A NL7610083A NL175125C NL 175125 C NL175125 C NL 175125C NL 7610083 A NL7610083 A NL 7610083A NL 175125 C NL175125 C NL 175125C
- Authority
- NL
- Netherlands
- Prior art keywords
- sampling
- frequency
- digital filter
- digital
- filter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
- H03H17/0213—Frequency domain filters using Fourier transforms
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/04—Recursive filters
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Networks Using Active Elements (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50109989A JPS5234647A (en) | 1975-09-12 | 1975-09-12 | Frequency sampling filter |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7610083A NL7610083A (nl) | 1977-03-15 |
NL175125B NL175125B (nl) | 1984-04-16 |
NL175125C true NL175125C (nl) | 1984-09-17 |
Family
ID=14524254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7610083,A NL175125C (nl) | 1975-09-12 | 1976-09-10 | Frequentie-bemonsterend, digitaal filter. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4101853A (nl) |
JP (1) | JPS5234647A (nl) |
NL (1) | NL175125C (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5733821A (en) * | 1980-08-06 | 1982-02-24 | Matsushita Electric Ind Co Ltd | Digital equalizer |
DE3118473A1 (de) * | 1981-05-09 | 1982-11-25 | TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Verfahren zur aufbereitung elektrischer signale mit einer digitalen filteranordnung |
DE3627679A1 (de) * | 1986-08-14 | 1988-02-25 | Blaupunkt Werke Gmbh | Filteranordnung |
FR2617350A1 (fr) * | 1987-06-26 | 1988-12-30 | Alsthom Cgee | Procede de realisation de filtres adaptes programmables, filtres et bancs de filtres correspondants |
DE3744187A1 (de) * | 1987-12-24 | 1989-07-13 | Ant Nachrichtentech | Einstellbares filter |
US6225928B1 (en) * | 1999-03-10 | 2001-05-01 | Cirrus Logic Inc. | Complex bandpass modulator and method for analog-to-digital converters |
US7839953B2 (en) | 2006-05-25 | 2010-11-23 | Kabushiki Kaisha Toshiba | Transmission signal generating unit and radar transmission device using the same |
CN109151672B (zh) * | 2018-09-19 | 2022-08-05 | 西安交通大学 | 基于阵列麦克风的声源跟踪系统及其控制方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716733A (en) * | 1950-05-10 | 1955-08-30 | Exxon Research Engineering Co | Variable bandwidth band-pass filter |
US3026475A (en) * | 1958-01-13 | 1962-03-20 | Gen Electric | Frequency scanning filter arrangement |
US3135932A (en) * | 1959-08-14 | 1964-06-02 | Bell Telephone Labor Inc | Signal delay system |
US3336539A (en) * | 1965-04-15 | 1967-08-15 | Giannini Scient Corp | Variable equalizer system having a plurality of parallel connected tuned circuits |
US3568107A (en) * | 1969-09-09 | 1971-03-02 | Ronald D Haggarty | Method and apparatus for effecting tapped delay line synthesis of large time bandwidth filters |
US3657669A (en) * | 1970-09-02 | 1972-04-18 | Gte Laboratories Inc | Frequency domain adaptive equalizer |
US3858240A (en) * | 1971-01-11 | 1974-12-31 | Communications Satellite Corp | Reduced rate sampling process in pulse code modulation of analog signals |
-
1975
- 1975-09-12 JP JP50109989A patent/JPS5234647A/ja active Granted
-
1976
- 1976-09-08 US US05/721,408 patent/US4101853A/en not_active Expired - Lifetime
- 1976-09-10 NL NLAANVRAGE7610083,A patent/NL175125C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS557728B2 (nl) | 1980-02-28 |
US4101853A (en) | 1978-07-18 |
NL175125B (nl) | 1984-04-16 |
NL7610083A (nl) | 1977-03-15 |
JPS5234647A (en) | 1977-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |