JPS614056B2 - - Google Patents
Info
- Publication number
- JPS614056B2 JPS614056B2 JP3809274A JP3809274A JPS614056B2 JP S614056 B2 JPS614056 B2 JP S614056B2 JP 3809274 A JP3809274 A JP 3809274A JP 3809274 A JP3809274 A JP 3809274A JP S614056 B2 JPS614056 B2 JP S614056B2
- Authority
- JP
- Japan
- 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
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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
- G01P5/20—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance using particles entrained by a fluid stream
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
- G01S1/308—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference particularly adapted to Omega systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aviation & Aerospace Engineering (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI105973A FI53175C (en) | 1973-04-05 | 1973-04-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS509474A JPS509474A (en) | 1975-01-30 |
JPS614056B2 true JPS614056B2 (en) | 1986-02-06 |
Family
ID=8505041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3809274A Expired JPS614056B2 (en) | 1973-04-05 | 1974-04-05 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS614056B2 (en) |
BR (1) | BR7402521D0 (en) |
CA (1) | CA1035854A (en) |
FI (1) | FI53175C (en) |
FR (1) | FR2224764B3 (en) |
GB (1) | GB1459934A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63164653U (en) * | 1987-04-14 | 1988-10-26 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2438276A1 (en) * | 1978-10-02 | 1980-04-30 | Tracor | Wind speed measurement at distant point - is performed by radio sonde retransmitting signals whose rate of change of phase is measured |
IL217985A (en) * | 2012-02-07 | 2014-01-30 | Ventus Product Dev & Consulting Ltd | Wind parameter indication |
US10495787B2 (en) | 2016-06-16 | 2019-12-03 | I.M. Systems Group, Inc. | Integrated weather projection systems, methods, and apparatuses |
-
1973
- 1973-04-05 FI FI105973A patent/FI53175C/fi active
-
1974
- 1974-03-19 GB GB1205474A patent/GB1459934A/en not_active Expired
- 1974-03-29 BR BR252174A patent/BR7402521D0/en unknown
- 1974-04-02 CA CA196,660A patent/CA1035854A/en not_active Expired
- 1974-04-05 JP JP3809274A patent/JPS614056B2/ja not_active Expired
- 1974-04-05 FR FR7412081A patent/FR2224764B3/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63164653U (en) * | 1987-04-14 | 1988-10-26 |
Also Published As
Publication number | Publication date |
---|---|
GB1459934A (en) | 1976-12-31 |
FR2224764A1 (en) | 1974-10-31 |
FI53175B (en) | 1977-10-31 |
FI53175C (en) | 1978-02-10 |
AU6711774A (en) | 1975-09-25 |
JPS509474A (en) | 1975-01-30 |
CA1035854A (en) | 1978-08-01 |
FR2224764B3 (en) | 1977-02-18 |
BR7402521D0 (en) | 1974-11-05 |