FR2250980A1 - - Google Patents
Info
- Publication number
- FR2250980A1 FR2250980A1 FR7437349A FR7437349A FR2250980A1 FR 2250980 A1 FR2250980 A1 FR 2250980A1 FR 7437349 A FR7437349 A FR 7437349A FR 7437349 A FR7437349 A FR 7437349A FR 2250980 A1 FR2250980 A1 FR 2250980A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/002—N-path filters
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Complex Calculations (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5253473A GB1494476A (en) | 1973-11-13 | 1973-11-13 | Fourier analysers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2250980A1 true FR2250980A1 (fr) | 1975-06-06 |
Family
ID=10464278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7437349A Withdrawn FR2250980A1 (fr) | 1973-11-13 | 1974-11-12 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE822147A (fr) |
| DE (1) | DE2453873A1 (fr) |
| DK (1) | DK591374A (fr) |
| FR (1) | FR2250980A1 (fr) |
| GB (1) | GB1494476A (fr) |
| IT (1) | IT1025666B (fr) |
| NL (1) | NL7414730A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4564831A (en) * | 1982-07-02 | 1986-01-14 | Transamerica Delaval Inc. | Analog to digital converters for converting a plurality of different input signals |
| GB2157449A (en) * | 1984-04-14 | 1985-10-23 | Data Acquisition Limited | Analysis of vibration |
| US6327537B1 (en) | 1999-07-19 | 2001-12-04 | Luc T. Ikelle | Multi-shooting approach to seismic modeling and acquisition |
| CN108180152B (zh) * | 2017-11-07 | 2019-05-14 | 浙江大学 | 一种基于振动信号循环平稳性的风机微弱故障检测方法 |
| CN108344500B (zh) * | 2018-01-16 | 2019-07-16 | 浙江大学 | 一种基于循环平稳密度谱的流致励源信号特征提取方法 |
| CN113049922B (zh) * | 2020-04-22 | 2022-11-15 | 青岛鼎信通讯股份有限公司 | 一种采用卷积神经网络的故障电弧信号检测方法 |
-
1973
- 1973-11-13 GB GB5253473A patent/GB1494476A/en not_active Expired
-
1974
- 1974-11-12 NL NL7414730A patent/NL7414730A/xx not_active Application Discontinuation
- 1974-11-12 FR FR7437349A patent/FR2250980A1/fr not_active Withdrawn
- 1974-11-13 DK DK591374A patent/DK591374A/da unknown
- 1974-11-13 IT IT2939774A patent/IT1025666B/it active
- 1974-11-13 BE BE150466A patent/BE822147A/fr unknown
- 1974-11-13 DE DE19742453873 patent/DE2453873A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2453873A1 (de) | 1975-06-05 |
| DK591374A (fr) | 1975-07-14 |
| NL7414730A (nl) | 1975-05-15 |
| BE822147A (fr) | 1975-05-13 |
| GB1494476A (en) | 1977-12-07 |
| IT1025666B (it) | 1978-08-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |