CA1095162A - Method and system for suppressing or identifying interference signals in sounding devices - Google Patents
Method and system for suppressing or identifying interference signals in sounding devicesInfo
- Publication number
- CA1095162A CA1095162A CA258,602A CA258602A CA1095162A CA 1095162 A CA1095162 A CA 1095162A CA 258602 A CA258602 A CA 258602A CA 1095162 A CA1095162 A CA 1095162A
- Authority
- CA
- Canada
- Prior art keywords
- output
- sounding
- shift
- shift registers
- threshold
- 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
- 238000000034 method Methods 0.000 title abstract description 13
- 238000002592 echocardiography Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 125000000205 L-threonino group Chemical group [H]OC(=O)[C@@]([H])(N([H])[*])[C@](C([H])([H])[H])([H])O[H] 0.000 description 1
- XDXHAEQXIBQUEZ-UHFFFAOYSA-N Ropinirole hydrochloride Chemical compound Cl.CCCN(CCC)CCC1=CC=CC2=C1CC(=O)N2 XDXHAEQXIBQUEZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2535029A DE2535029C3 (de) | 1975-08-06 | 1975-08-06 | Verfahren und Schaltungsanordnung zur Unterdrückung oder Kenntlichmachung von Störsignalen bei Echolotanlagen |
| DEP2535029.2 | 1975-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1095162A true CA1095162A (en) | 1981-02-03 |
Family
ID=5953310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA258,602A Expired CA1095162A (en) | 1975-08-06 | 1976-08-06 | Method and system for suppressing or identifying interference signals in sounding devices |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1095162A (ref) |
| DE (1) | DE2535029C3 (ref) |
| GB (1) | GB1547612A (ref) |
| NO (1) | NO143717C (ref) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027343B1 (en) * | 1979-10-11 | 1983-05-11 | The Marconi Company Limited | A voice detector |
| DE3620783A1 (de) * | 1986-06-20 | 1987-12-23 | Hanns Rump | Apparat und verfahren zur unterdrueckung von stoersignalen bei ultraschall-impuls-echo-geraeten |
-
1975
- 1975-08-06 DE DE2535029A patent/DE2535029C3/de not_active Expired
-
1976
- 1976-03-02 NO NO760691A patent/NO143717C/no unknown
- 1976-08-06 GB GB32967/76A patent/GB1547612A/en not_active Expired
- 1976-08-06 CA CA258,602A patent/CA1095162A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1547612A (en) | 1979-06-27 |
| NO760691L (ref) | 1977-02-08 |
| DE2535029B2 (de) | 1977-10-20 |
| DE2535029A1 (de) | 1977-02-10 |
| NO143717B (no) | 1980-12-22 |
| DE2535029C3 (de) | 1978-05-24 |
| NO143717C (no) | 1981-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |