SE363407B - - Google Patents
Info
- Publication number
- SE363407B SE363407B SE117971A SE117971A SE363407B SE 363407 B SE363407 B SE 363407B SE 117971 A SE117971 A SE 117971A SE 117971 A SE117971 A SE 117971A SE 363407 B SE363407 B SE 363407B
- Authority
- SE
- Sweden
Links
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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/04—Systems determining presence of a target
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702006152 DE2006152C3 (de) | 1970-02-11 | Verfahren und Vorrichtung zur Unterscheidung zwischen Echosignalen von reflektierenden Körpern verschiedener Schallhärte bei der Echolotung im Wasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE363407B true SE363407B (de) | 1974-01-14 |
Family
ID=5761969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE117971A SE363407B (de) | 1970-02-11 | 1971-02-01 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2091959B1 (de) |
| SE (1) | SE363407B (de) |
-
1971
- 1971-02-01 SE SE117971A patent/SE363407B/xx unknown
- 1971-02-03 FR FR7103599A patent/FR2091959B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2006152B2 (de) | 1977-03-31 |
| DE2006152A1 (de) | 1971-08-19 |
| FR2091959B1 (de) | 1976-09-03 |
| FR2091959A1 (de) | 1972-01-21 |