NL181058C - Digitale frequentie-ontleder. - Google Patents
Digitale frequentie-ontleder.Info
- Publication number
- NL181058C NL181058C NLAANVRAGE7802412,A NL7802412A NL181058C NL 181058 C NL181058 C NL 181058C NL 7802412 A NL7802412 A NL 7802412A NL 181058 C NL181058 C NL 181058C
- Authority
- NL
- Netherlands
- Prior art keywords
- pass filter
- band
- values
- low
- frame period
- Prior art date
Links
- 238000005070 sampling Methods 0.000 abstract 5
- 230000004044 response Effects 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Complex Calculations (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Radar Systems Or Details Thereof (AREA)
- Time-Division Multiplex Systems (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52023610A JPS6016582B2 (ja) | 1977-03-04 | 1977-03-04 | デイジタル周波数分析装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7802412A NL7802412A (nl) | 1978-09-06 |
NL181058B NL181058B (nl) | 1987-01-02 |
NL181058C true NL181058C (nl) | 1987-06-01 |
Family
ID=12115373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7802412,A NL181058C (nl) | 1977-03-04 | 1978-03-03 | Digitale frequentie-ontleder. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4157457A (sv) |
JP (1) | JPS6016582B2 (sv) |
DE (1) | DE2809316A1 (sv) |
FR (1) | FR2382701A1 (sv) |
NL (1) | NL181058C (sv) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54139417A (en) * | 1978-04-21 | 1979-10-29 | Nippon Telegr & Teleph Corp <Ntt> | Interpolation receiving devices at voice short break time |
FR2424669A1 (fr) * | 1978-04-27 | 1979-11-23 | Materiel Telephonique | Dispositifs analyseurs numeriques de spectres |
AU529532B2 (en) * | 1978-09-18 | 1983-06-09 | Commonwealth Scientific And Industrial Research Organisation | Frequency response analyser |
DE2854315C2 (de) * | 1978-12-15 | 1987-01-02 | German Ing.(Grad.) 8060 Dachau Grimm | Einrichtung zum Bestimmen von die Netzfrequenz beeinflussenden Störungen in elektrischen Energieversorgungsnetzen und Verwendung einer derartigen Einrichtung in einer adaptiven Frequenzregeleinrichtung für elektrische Energieversorgungsnetze |
JPS584307B2 (ja) * | 1979-10-23 | 1983-01-25 | 富士通株式会社 | スペクトル分析器 |
US4354248A (en) * | 1979-11-28 | 1982-10-12 | Motorola, Inc. | Programmable multifrequency tone receiver |
GB2075299B (en) * | 1980-04-22 | 1983-10-19 | Casio Computer Co Ltd | Digital filter device |
FR2509500A1 (fr) * | 1981-07-10 | 1983-01-14 | Efcis | Analyseur spectral a filtres communs a deux voies, notamment pour la reconnaissance vocale |
US4590583A (en) * | 1982-07-16 | 1986-05-20 | At&T Bell Laboratories | Coin telephone measurement circuitry |
US4538236A (en) * | 1982-09-24 | 1985-08-27 | Rca Corporation | Adaptive digital signal coring circuit |
JPS603700A (ja) * | 1983-06-22 | 1985-01-10 | 日本電気株式会社 | 音声検出方式 |
US4703433A (en) * | 1984-01-09 | 1987-10-27 | Hewlett-Packard Company | Vector network analyzer with integral processor |
US4649505A (en) * | 1984-07-02 | 1987-03-10 | General Electric Company | Two-input crosstalk-resistant adaptive noise canceller |
US4908785A (en) * | 1985-08-16 | 1990-03-13 | The Boeing Company | Data compression method for telemetry of vibration data |
US4779217A (en) * | 1985-12-27 | 1988-10-18 | Kyocera Corporation | Octave multiple filter |
JPH0681009B2 (ja) * | 1986-01-20 | 1994-10-12 | 三菱電機株式会社 | デジタルフイルタ装置 |
DE4417406C2 (de) * | 1994-05-18 | 2000-09-28 | Advantest Corp | Hochauflösender Frequenzanalysator und Vektorspektrumanalysator |
US6507804B1 (en) | 1997-10-14 | 2003-01-14 | Bently Nevada Corporation | Apparatus and method for compressing measurement data corelative to machine status |
US6026348A (en) * | 1997-10-14 | 2000-02-15 | Bently Nevada Corporation | Apparatus and method for compressing measurement data correlative to machine status |
JP3584027B2 (ja) * | 2002-03-12 | 2004-11-04 | 沖電気工業株式会社 | デジタルフィルタ |
US8297123B2 (en) * | 2009-07-30 | 2012-10-30 | General Electric Company | Detection of anomalous movement in a reciprocating device |
US9385724B1 (en) * | 2013-10-03 | 2016-07-05 | Altera Corporation | Methods for operating configurable storage and processing blocks at double and single data rates |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3708746A (en) * | 1971-11-08 | 1973-01-02 | Univ Iowa State Res Found Inc | System for spectrum analysis including digital filter with variable sampling rate |
-
1977
- 1977-03-04 JP JP52023610A patent/JPS6016582B2/ja not_active Expired
-
1978
- 1978-03-03 FR FR7806240A patent/FR2382701A1/fr active Granted
- 1978-03-03 DE DE19782809316 patent/DE2809316A1/de not_active Withdrawn
- 1978-03-03 NL NLAANVRAGE7802412,A patent/NL181058C/xx not_active IP Right Cessation
- 1978-03-06 US US05/883,971 patent/US4157457A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL7802412A (nl) | 1978-09-06 |
FR2382701B1 (sv) | 1981-12-31 |
JPS6016582B2 (ja) | 1985-04-26 |
FR2382701A1 (fr) | 1978-09-29 |
US4157457A (en) | 1979-06-05 |
DE2809316A1 (de) | 1978-09-07 |
NL181058B (nl) | 1987-01-02 |
JPS53108481A (en) | 1978-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: NEC CORPORATION |
|
V1 | Lapsed because of non-payment of the annual fee |