IT1136820B - Analizzatore di spettro costituito da un fulcro digitale in sostituzione di un filtro analogico - Google Patents
Analizzatore di spettro costituito da un fulcro digitale in sostituzione di un filtro analogicoInfo
- Publication number
- IT1136820B IT1136820B IT20349/81A IT2034981A IT1136820B IT 1136820 B IT1136820 B IT 1136820B IT 20349/81 A IT20349/81 A IT 20349/81A IT 2034981 A IT2034981 A IT 2034981A IT 1136820 B IT1136820 B IT 1136820B
- Authority
- IT
- Italy
- Prior art keywords
- filter
- spectrum analyzer
- replacement
- fed
- analog filter
- Prior art date
Links
- 238000001228 spectrum Methods 0.000 title abstract 2
- 239000000446 fuel Substances 0.000 title 1
- 238000010183 spectrum analysis Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/165—Spectrum analysis; Fourier analysis using filters
- G01R23/167—Spectrum analysis; Fourier analysis using filters with digital filters
-
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Analogue/Digital Conversion (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803009785 DE3009785A1 (de) | 1980-03-14 | 1980-03-14 | Spektralanalysator |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8120349A0 IT8120349A0 (it) | 1981-03-16 |
IT1136820B true IT1136820B (it) | 1986-09-03 |
Family
ID=6097180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20349/81A IT1136820B (it) | 1980-03-14 | 1981-03-16 | Analizzatore di spettro costituito da un fulcro digitale in sostituzione di un filtro analogico |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS56145365A (xx) |
DE (1) | DE3009785A1 (xx) |
FR (1) | FR2478355A1 (xx) |
GB (1) | GB2075693B (xx) |
IT (1) | IT1136820B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69124092T2 (de) * | 1991-07-16 | 1997-07-03 | Wavetek Gmbh | Methode zur Bestimmung der Frequenz eines dominanten Signals in einem Eingangssignal |
EP1592136B1 (fr) | 2004-04-21 | 2012-07-11 | St Microelectronics S.A. | Démodulateur adaptable |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2074813A1 (xx) * | 1970-01-30 | 1971-10-08 | Lannionnais Electronique |
-
1980
- 1980-03-14 DE DE19803009785 patent/DE3009785A1/de not_active Withdrawn
-
1981
- 1981-03-05 GB GB8107016A patent/GB2075693B/en not_active Expired
- 1981-03-13 FR FR8105034A patent/FR2478355A1/fr active Granted
- 1981-03-13 JP JP3546181A patent/JPS56145365A/ja active Pending
- 1981-03-16 IT IT20349/81A patent/IT1136820B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS56145365A (en) | 1981-11-12 |
GB2075693B (en) | 1983-09-21 |
FR2478355A1 (fr) | 1981-09-18 |
IT8120349A0 (it) | 1981-03-16 |
FR2478355B1 (xx) | 1984-12-28 |
DE3009785A1 (de) | 1981-10-01 |
GB2075693A (en) | 1981-11-18 |
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