JPS5938547B2 - 周波数分析装置 - Google Patents
周波数分析装置Info
- Publication number
- JPS5938547B2 JPS5938547B2 JP51030723A JP3072376A JPS5938547B2 JP S5938547 B2 JPS5938547 B2 JP S5938547B2 JP 51030723 A JP51030723 A JP 51030723A JP 3072376 A JP3072376 A JP 3072376A JP S5938547 B2 JPS5938547 B2 JP S5938547B2
- Authority
- JP
- Japan
- Prior art keywords
- bandpass filter
- frequency
- integration time
- channel
- pulse
- 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
Links
- 230000010354 integration Effects 0.000 claims description 30
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
- A61B5/372—Analysis of electroencephalograms
- A61B5/374—Detecting the frequency distribution of signals, e.g. detecting delta, theta, alpha, beta or gamma waves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/333—Recording apparatus specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7242—Details of waveform analysis using integration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
- G01D1/04—Measuring arrangements giving results other than momentary value of variable, of general application giving integrated values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
- G01D15/16—Recording elements transferring recording material, e.g. ink, to the recording surface
- G01D15/18—Nozzles emitting recording material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/04—Arrangements for displaying electric variables or waveforms for producing permanent records
- G01R13/08—Electromechanical recording systems using a mechanical direct-writing method
- G01R13/10—Electromechanical recording systems using a mechanical direct-writing method with intermittent recording by representing the variable by the length of a stroke or by the position of a dot
-
- 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
- G01R23/18—Spectrum analysis; Fourier analysis with provision for recording frequency spectrum
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Psychiatry (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Signal Processing (AREA)
- Physiology (AREA)
- Mathematical Physics (AREA)
- Cardiology (AREA)
- Psychology (AREA)
- Recording Measured Values (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752512939 DE2512939C3 (de) | 1975-03-24 | Schaltungsanordnung zur Frequenzanalyse eines Signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51120256A JPS51120256A (en) | 1976-10-21 |
| JPS5938547B2 true JPS5938547B2 (ja) | 1984-09-18 |
Family
ID=5942272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51030723A Expired JPS5938547B2 (ja) | 1975-03-24 | 1976-03-19 | 周波数分析装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4062020A (en:Method) |
| JP (1) | JPS5938547B2 (en:Method) |
| FR (1) | FR2305735A1 (en:Method) |
| IT (1) | IT1058601B (en:Method) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2619369C2 (de) * | 1976-04-30 | 1982-06-16 | Siemens AG, 1000 Berlin und 8000 München | Flüssigkeitsstrahlschreiber |
| FR2454626A1 (fr) * | 1979-04-17 | 1980-11-14 | Electricite De France | Enregistreur de signaux sur perturbation |
| DE3147815C1 (de) * | 1981-12-03 | 1983-03-31 | Rohde & Schwarz GmbH & Co KG, 8000 München | Funkempfangseinrichtung mit einem Filterbankempfaenger |
| DE3237797A1 (de) * | 1982-10-12 | 1984-04-12 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und fluessigkeitsstrahlschreiber zur erzeugung mindestens zweier getrennt liegender punkte auf einem aufzeichnungstraeger |
| US5684516A (en) * | 1993-11-09 | 1997-11-04 | Lexmark International, Inc. | Print station in an ink jet printer |
| US6495998B1 (en) | 2000-09-28 | 2002-12-17 | Sunrise Telecom Corp. | Selectable band-pass filtering apparatus and method |
| US7164629B2 (en) * | 2002-01-22 | 2007-01-16 | Ricoh Company, Ltd. | Method of controlling an optical disk apparatus |
| GB0805839D0 (en) * | 2008-03-31 | 2009-01-14 | Mbda Uk Ltd | A High Speed Frequency Detector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE685095C (de) * | 1935-08-14 | 1939-12-11 | Siemens & Halske Akt Ges | Frequenzanalysator mit unmittelbarer Anzeige ueber das gesamte zu untersuchende Frequenzspektrum durch eine oszillographische Vorrichtung |
| US2492062A (en) * | 1946-11-05 | 1949-12-20 | Bell Telephone Labor Inc | Device for portrayal of complex waves |
| US2566443A (en) * | 1948-10-01 | 1951-09-04 | Elmqvist Rune | Measuring instrument of the recording type |
| US3582957A (en) * | 1969-02-26 | 1971-06-01 | Us Navy | Frequency analyzer |
-
1976
- 1976-03-05 US US05/664,414 patent/US4062020A/en not_active Expired - Lifetime
- 1976-03-18 FR FR7607852A patent/FR2305735A1/fr active Granted
- 1976-03-18 IT IT21335/76A patent/IT1058601B/it active
- 1976-03-19 JP JP51030723A patent/JPS5938547B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2305735A1 (fr) | 1976-10-22 |
| DE2512939B2 (de) | 1977-05-05 |
| JPS51120256A (en) | 1976-10-21 |
| DE2512939A1 (de) | 1976-09-30 |
| US4062020A (en) | 1977-12-06 |
| FR2305735B1 (en:Method) | 1981-06-12 |
| IT1058601B (it) | 1982-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2577894A (en) | Electronic signal recording system and apparatus | |
| US5583552A (en) | Optimum phase determination based on the detected jet current | |
| JPS5938547B2 (ja) | 周波数分析装置 | |
| DE2915881C2 (en:Method) | ||
| DE2712504A1 (de) | Daten-aufzeichnungs- und wiedergabegeraet | |
| DE3880821T2 (de) | Geschwindigkeitsmesser fuer papierbahnen in einer druckerpresse. | |
| DE2258028C2 (de) | Schaltungsanordnung zur Aufzeichnung und Wiedergabe eines Farbfernsehsignalgemisches auf bzw. von einem magnetischen Aufzeichnungsträger | |
| DE2615713A1 (de) | Tintenstrahlschreiber | |
| DE2339299B2 (de) | Servoeinrichtung zur Regelung der Drehgeschwindigkeit einer Drehkopfeinrichtung eines Aufzeichnungs- und Wiedergabegeräts | |
| DE3109279A1 (de) | Automatisches kopfnachfuehrsystem fuer schraegspur-videobandgeraet | |
| DE2745337A1 (de) | Verfahren und anordnung zum aufzeichnen von videosignalen | |
| DE3206449C2 (de) | Verfahren und Vorrichtung zur Aufzeichnung und Wiedergabe von Audiosignalen zusammen mit Videosignalen | |
| US2370160A (en) | Electrical transmission of messages | |
| US3409736A (en) | Phase and frequency correction system | |
| DE3409418C2 (de) | Kompensationsschaltung für einen Videosignalausfall | |
| DE3039258C2 (de) | Anordnung zum Überwachen der Synchronisierung des Kopfrades in einem Bandrecorder | |
| US3731206A (en) | Multiplying circuit with pulse duration control means | |
| DE69322703T2 (de) | Kontrollanordnung für magnetische Aufzeichnung | |
| EP0293496B1 (en) | Method and apparatus for high resolution ink jet printing | |
| EP0941448B1 (de) | Verfahren zum interferometrischen messen von positionen, positionsänderungen und daraus abgeleiteter physikalischer grössen | |
| US4371878A (en) | Device for correcting ink dot misplacement in ink-jet printing | |
| US3021478A (en) | Wave analysis and representation | |
| DE2256543B2 (de) | Schaltungsanordnung zur Aufzeichnung und Wiedergabe eines Farbfernsehsignalgemischs auf bzw. von einem Aufzeichnungsträger | |
| DE3238231C2 (en:Method) | ||
| DE68918786T2 (de) | Spurfolgefehler-Detektionsschaltung. |