FR2680006B1 - Procede d'aide a la detection de signaux transitoires notamment dans les signaux acoustiques. - Google Patents
Procede d'aide a la detection de signaux transitoires notamment dans les signaux acoustiques.Info
- Publication number
- FR2680006B1 FR2680006B1 FR9109874A FR9109874A FR2680006B1 FR 2680006 B1 FR2680006 B1 FR 2680006B1 FR 9109874 A FR9109874 A FR 9109874A FR 9109874 A FR9109874 A FR 9109874A FR 2680006 B1 FR2680006 B1 FR 2680006B1
- Authority
- FR
- France
- Prior art keywords
- signals
- assisting
- detection
- transient
- acoustic signals
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
- G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
-
- 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
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
- G01S7/5273—Extracting wanted echo signals using digital techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mathematical Physics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9109874A FR2680006B1 (fr) | 1991-08-02 | 1991-08-02 | Procede d'aide a la detection de signaux transitoires notamment dans les signaux acoustiques. |
AU24708/92A AU657792B2 (en) | 1991-08-02 | 1992-07-31 | Method for detecting transient signals, particularly in acoustic signals |
CA 2114632 CA2114632A1 (fr) | 1991-08-02 | 1992-07-31 | Procede d'aide a la detection de signaux transitoires, notamment dans les signaux acoustiques |
PCT/FR1992/000760 WO1993003395A1 (fr) | 1991-08-02 | 1992-07-31 | Procede d'aide a la detection de signaux transitoires, notamment dans les signaux acoustiques |
EP92918452A EP0597040A1 (fr) | 1991-08-02 | 1992-07-31 | Procede d'aide a la detection de signaux transitoires, notamment dans les signaux acoustiques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9109874A FR2680006B1 (fr) | 1991-08-02 | 1991-08-02 | Procede d'aide a la detection de signaux transitoires notamment dans les signaux acoustiques. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2680006A1 FR2680006A1 (fr) | 1993-02-05 |
FR2680006B1 true FR2680006B1 (fr) | 1993-10-29 |
Family
ID=9415882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9109874A Expired - Fee Related FR2680006B1 (fr) | 1991-08-02 | 1991-08-02 | Procede d'aide a la detection de signaux transitoires notamment dans les signaux acoustiques. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0597040A1 (fr) |
AU (1) | AU657792B2 (fr) |
CA (1) | CA2114632A1 (fr) |
FR (1) | FR2680006B1 (fr) |
WO (1) | WO1993003395A1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US188667A (en) * | 1877-03-20 | Improvement in carbureters | ||
JPS52125251A (en) * | 1976-02-23 | 1977-10-20 | Bio Communication Res | Electric filter and method of designing same |
FR2593608B1 (fr) * | 1986-01-28 | 1988-07-15 | Thomson Csf | Procede et dispositif de reconnaissance automatique de cibles a partir d'echos " doppler " |
US4982150A (en) * | 1989-10-30 | 1991-01-01 | General Electric Company | Spectral estimation utilizing an autocorrelation-based minimum free energy method |
-
1991
- 1991-08-02 FR FR9109874A patent/FR2680006B1/fr not_active Expired - Fee Related
-
1992
- 1992-07-31 AU AU24708/92A patent/AU657792B2/en not_active Expired - Fee Related
- 1992-07-31 CA CA 2114632 patent/CA2114632A1/fr not_active Abandoned
- 1992-07-31 EP EP92918452A patent/EP0597040A1/fr not_active Withdrawn
- 1992-07-31 WO PCT/FR1992/000760 patent/WO1993003395A1/fr not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2680006A1 (fr) | 1993-02-05 |
WO1993003395A1 (fr) | 1993-02-18 |
AU657792B2 (en) | 1995-03-23 |
EP0597040A1 (fr) | 1994-05-18 |
AU2470892A (en) | 1993-03-02 |
CA2114632A1 (fr) | 1993-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |
Effective date: 20060428 |