NL7315048A - - Google Patents
Info
- Publication number
- NL7315048A NL7315048A NL7315048A NL7315048A NL7315048A NL 7315048 A NL7315048 A NL 7315048A NL 7315048 A NL7315048 A NL 7315048A NL 7315048 A NL7315048 A NL 7315048A NL 7315048 A NL7315048 A NL 7315048A
- Authority
- NL
- Netherlands
Links
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Complex Calculations (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7239348A FR2205668B1 (https=) | 1972-11-07 | 1972-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7315048A true NL7315048A (https=) | 1974-05-09 |
Family
ID=9106747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7315048A NL7315048A (https=) | 1972-11-07 | 1973-11-02 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3932737A (https=) |
| BR (1) | BR7308702D0 (https=) |
| CA (1) | CA1003114A (https=) |
| DE (1) | DE2355640A1 (https=) |
| FR (1) | FR2205668B1 (https=) |
| GB (1) | GB1411922A (https=) |
| IT (1) | IT1003553B (https=) |
| NL (1) | NL7315048A (https=) |
| ZA (1) | ZA737271B (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4054785A (en) * | 1976-09-16 | 1977-10-18 | Sangamo Weston, Inc. | Spectrum analyzer with multiple operational modes |
| US4093988A (en) * | 1976-11-08 | 1978-06-06 | General Electric Company | High speed frequency response measurement |
| 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 |
| FR2714735B1 (fr) * | 1986-11-28 | 1996-04-12 | Thomson Csf | Analyseur de spectre et son application à un autodirecteur de missiles du type à antennes d'émission et de réception distinctes et fixes. |
| US4928251A (en) * | 1987-04-27 | 1990-05-22 | Hewlett-Packard Company | Method and apparatus for waveform reconstruction for sampled data system |
| DE4225401C1 (de) * | 1992-07-29 | 1994-05-26 | Siemens Ag | Verfahren zum Bestimmen spektraler Anteile eines Signals und Vorrichtung zur Durchführung des Verfahrens |
| US5477465A (en) * | 1993-08-31 | 1995-12-19 | Talx Corporation | Multi-frequency receiver with arbitrary center frequencies |
| US5485395A (en) * | 1994-02-14 | 1996-01-16 | Brigham Young University | Method for processing sampled data signals |
| US6725108B1 (en) * | 1999-01-28 | 2004-04-20 | International Business Machines Corporation | System and method for interpretation and visualization of acoustic spectra, particularly to discover the pitch and timbre of musical sounds |
| US6823086B1 (en) * | 2000-08-29 | 2004-11-23 | Analogic Corporation | Adaptive spatial filter |
| US6751564B2 (en) | 2002-05-28 | 2004-06-15 | David I. Dunthorn | Waveform analysis |
| US20080089401A1 (en) * | 2006-10-16 | 2008-04-17 | Pao-Jen Lai | Signal Testing System |
| CN110095650A (zh) * | 2019-05-05 | 2019-08-06 | 三峡大学 | 基于五项Rife-Vincent(I)窗的四谱线插值FFT的复杂谐波检测分析方法 |
| FR3105403B1 (fr) * | 2019-12-19 | 2021-11-19 | Openfield | Débitmètre doppler radar à micro-ondes pour puits d'hydrocarbures |
| CN112986677B (zh) * | 2021-02-04 | 2022-01-28 | 电子科技大学 | 一种基于SoC动态可配的频谱分析的系统及实现方法 |
| CN112763799B (zh) * | 2021-04-08 | 2021-06-08 | 深圳市鼎阳科技股份有限公司 | 频谱分析仪的信号处理方法和频谱分析仪 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3566035A (en) * | 1969-07-17 | 1971-02-23 | Bell Telephone Labor Inc | Real time cepstrum analyzer |
-
1972
- 1972-11-07 FR FR7239348A patent/FR2205668B1/fr not_active Expired
-
1973
- 1973-09-12 ZA ZA737271*A patent/ZA737271B/xx unknown
- 1973-10-17 CA CA183,557A patent/CA1003114A/en not_active Expired
- 1973-11-02 NL NL7315048A patent/NL7315048A/xx not_active Application Discontinuation
- 1973-11-05 GB GB5133673A patent/GB1411922A/en not_active Expired
- 1973-11-05 US US05/412,786 patent/US3932737A/en not_active Expired - Lifetime
- 1973-11-06 IT IT53522/73A patent/IT1003553B/it active
- 1973-11-07 DE DE19732355640 patent/DE2355640A1/de not_active Withdrawn
- 1973-11-07 BR BR8702/73A patent/BR7308702D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2355640A1 (de) | 1974-05-30 |
| BR7308702D0 (pt) | 1974-08-29 |
| FR2205668B1 (https=) | 1981-04-10 |
| GB1411922A (en) | 1975-10-29 |
| FR2205668A1 (https=) | 1974-05-31 |
| CA1003114A (en) | 1977-01-04 |
| IT1003553B (it) | 1976-06-10 |
| US3932737A (en) | 1976-01-13 |
| ZA737271B (en) | 1974-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |