JPH0544631B2 - - Google Patents
Info
- Publication number
- JPH0544631B2 JPH0544631B2 JP19872583A JP19872583A JPH0544631B2 JP H0544631 B2 JPH0544631 B2 JP H0544631B2 JP 19872583 A JP19872583 A JP 19872583A JP 19872583 A JP19872583 A JP 19872583A JP H0544631 B2 JPH0544631 B2 JP H0544631B2
- Authority
- JP
- Japan
- Prior art keywords
- time difference
- sea
- land
- error
- station
- 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 - Lifetime
Links
- 238000005259 measurement Methods 0.000 claims description 24
- 238000004364 calculation method Methods 0.000 description 27
- 238000012937 correction Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000012876 topography Methods 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
- 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
- G01S1/24—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 pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
- G01S1/245—Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19872583A JPS6089777A (ja) | 1983-10-24 | 1983-10-24 | 双曲線航法自動測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19872583A JPS6089777A (ja) | 1983-10-24 | 1983-10-24 | 双曲線航法自動測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6089777A JPS6089777A (ja) | 1985-05-20 |
| JPH0544631B2 true JPH0544631B2 (enrdf_load_stackoverflow) | 1993-07-06 |
Family
ID=16395949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19872583A Granted JPS6089777A (ja) | 1983-10-24 | 1983-10-24 | 双曲線航法自動測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6089777A (enrdf_load_stackoverflow) |
-
1983
- 1983-10-24 JP JP19872583A patent/JPS6089777A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6089777A (ja) | 1985-05-20 |
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