NO121884B - - Google Patents
Download PDFInfo
- Publication number
- NO121884B NO121884B NO16130666A NO16130666A NO121884B NO 121884 B NO121884 B NO 121884B NO 16130666 A NO16130666 A NO 16130666A NO 16130666 A NO16130666 A NO 16130666A NO 121884 B NO121884 B NO 121884B
- Authority
- NO
- Norway
- Prior art keywords
- time
- magnetic
- traveling waves
- measured
- field
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing ultrasonic, sonic or infrasonic 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
-
- 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)
- Signal Processing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1965A0048345 DE1265626B (de) | 1965-02-06 | 1965-02-06 | Verfahren zum Senden und Empfangen von Schallwellenenergie im Wasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO121884B true NO121884B (fr) | 1971-04-19 |
Family
ID=6936297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO16130666A NO121884B (fr) | 1965-02-06 | 1966-01-18 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1265626B (fr) |
| GB (1) | GB1139494A (fr) |
| NO (1) | NO121884B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4344500C1 (de) * | 1993-12-24 | 1995-03-23 | Klaus Mehner | Bewegungserkennungseinrichtung mit Ultraschallfeldauswertung in im wesentlichen geschlossenen Räumen |
| CN119269981B (zh) * | 2024-09-30 | 2026-03-31 | 西安交通大学 | 一种局部放电检测的去噪方法、设备及介质 |
-
1965
- 1965-02-06 DE DE1965A0048345 patent/DE1265626B/de active Pending
-
1966
- 1966-01-18 NO NO16130666A patent/NO121884B/no unknown
- 1966-02-01 GB GB443666A patent/GB1139494A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1265626B (de) | 1968-04-04 |
| GB1139494A (en) | 1969-01-08 |
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