SE305159B - - Google Patents
Info
- Publication number
- SE305159B SE305159B SE9184/62A SE918462A SE305159B SE 305159 B SE305159 B SE 305159B SE 9184/62 A SE9184/62 A SE 9184/62A SE 918462 A SE918462 A SE 918462A SE 305159 B SE305159 B SE 305159B
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
- G01S13/225—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency with cyclic repetition of a non-uniform pulse sequence, e.g. staggered PRF
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
- G01S13/227—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency with repetitive trains of uniform pulse sequences, each sequence having a different pulse repetition frequency
-
- 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
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/14—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (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 |
---|---|---|---|
DEA38179A DE1216742B (de) | 1961-08-24 | 1961-08-24 | Verfahren zur Unterscheidung periodisch auftretender Echoimpulse von Stoerimpulsen in nach dem Echolotverfahren arbeitenden Ortungsgeraeten |
Publications (1)
Publication Number | Publication Date |
---|---|
SE305159B true SE305159B (zh) | 1968-10-14 |
Family
ID=6930642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9184/62A SE305159B (zh) | 1961-08-24 | 1962-08-24 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3439318A (zh) |
CH (1) | CH407820A (zh) |
DE (1) | DE1216742B (zh) |
GB (1) | GB967378A (zh) |
NL (2) | NL282421A (zh) |
SE (1) | SE305159B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108474843A (zh) * | 2016-01-29 | 2018-08-31 | 松下知识产权经营株式会社 | 距离测量装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1290915A (zh) * | 1969-11-19 | 1972-09-27 | ||
US4254482A (en) * | 1979-03-14 | 1981-03-03 | Np Industries, Inc. | Echo location system which provides for measuring liquid level and flow rate and flow volume of flowing liquids |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1176101A (fr) * | 1952-02-26 | 1959-04-07 | Dispositif de détection à émission dense | |
US3277473A (en) * | 1963-12-09 | 1966-10-04 | Sr Charles D Calhoun | Digital technique for determining unambiguous information from ambiguous information |
-
0
- NL NL137280D patent/NL137280C/xx active
- NL NL282421D patent/NL282421A/xx unknown
-
1961
- 1961-08-24 DE DEA38179A patent/DE1216742B/de active Pending
-
1962
- 1962-08-20 CH CH996362A patent/CH407820A/de unknown
- 1962-08-24 SE SE9184/62A patent/SE305159B/xx unknown
- 1962-08-24 GB GB32639/62A patent/GB967378A/en not_active Expired
-
1967
- 1967-09-15 US US668140A patent/US3439318A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108474843A (zh) * | 2016-01-29 | 2018-08-31 | 松下知识产权经营株式会社 | 距离测量装置 |
Also Published As
Publication number | Publication date |
---|---|
CH407820A (de) | 1966-02-15 |
DE1216742B (de) | 1966-05-12 |
GB967378A (en) | 1964-08-19 |
US3439318A (en) | 1969-04-15 |
NL137280C (zh) | |
NL282421A (zh) |