JPS6131829B2 - - Google Patents
Info
- Publication number
- JPS6131829B2 JPS6131829B2 JP53128302A JP12830278A JPS6131829B2 JP S6131829 B2 JPS6131829 B2 JP S6131829B2 JP 53128302 A JP53128302 A JP 53128302A JP 12830278 A JP12830278 A JP 12830278A JP S6131829 B2 JPS6131829 B2 JP S6131829B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- loran
- pulse
- station
- received
- 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
Links
- 238000005259 measurement Methods 0.000 claims description 22
- 238000004364 calculation method Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 6
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 101500021084 Locusta migratoria 5 kDa peptide Proteins 0.000 description 25
- 238000000034 method Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002123 temporal effect Effects 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca 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
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84270677A | 1977-10-17 | 1977-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55452A JPS55452A (en) | 1980-01-05 |
| JPS6131829B2 true JPS6131829B2 (it) | 1986-07-23 |
Family
ID=25288055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12830278A Granted JPS55452A (en) | 1977-10-17 | 1978-10-17 | Loran navigation device |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS55452A (it) |
| CA (1) | CA1124820A (it) |
| DE (1) | DE2843956C2 (it) |
| FR (1) | FR2406205A1 (it) |
| GB (1) | GB2016851B (it) |
| IT (1) | IT1106209B (it) |
| NL (1) | NL7810402A (it) |
| NO (1) | NO153275C (it) |
| SE (1) | SE440152B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3038042A1 (de) * | 1980-10-08 | 1982-05-13 | Sanders Associates, Inc., Nashua, N.H. | Verfahren und vorrichtung zum selbstkalibrieren eines loran-c-empfaengers |
| US4423419A (en) * | 1980-10-20 | 1983-12-27 | Megapulse Incorporated | Pulsed, pseudo random position fixing radio navigation method and system and the like |
| JPS57172264A (en) * | 1980-11-26 | 1982-10-23 | Sanders Associates Inc | Self-calibration method of and apparatus for loran c receiver |
| JPS57109415A (en) * | 1980-12-26 | 1982-07-07 | Sony Corp | Voltage control tuning circuit |
| FI20195031A1 (fi) | 2019-01-18 | 2020-07-19 | Exalocus Oy | Signaalien kulkuaikaeroon pohjautuva paikannus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315698A (en) * | 1970-09-28 | 1973-05-02 | Decca Ltd | Systems for identifying phase coded groups of radio frequency pulses |
| US3921076A (en) * | 1973-03-08 | 1975-11-18 | Int Navigation Corp | Method of and apparatus for locating predetermined portions of a radio-frequency pulse, particularly adapted for leading edge location of loran and similar navigational pulses |
| US3868691A (en) * | 1973-04-13 | 1975-02-25 | Epsco Inc | Loran receiver automated master search |
| US3947849A (en) * | 1974-06-20 | 1976-03-30 | The Johns Hopkins University | Loran receiver-navigator |
| US4104635A (en) * | 1976-11-12 | 1978-08-01 | Sanders Associates, Inc. | LORAN-C navigation apparatus |
-
1978
- 1978-09-13 CA CA311,179A patent/CA1124820A/en not_active Expired
- 1978-10-09 DE DE2843956A patent/DE2843956C2/de not_active Expired
- 1978-10-13 SE SE7810714A patent/SE440152B/sv not_active IP Right Cessation
- 1978-10-16 FR FR7829420A patent/FR2406205A1/fr active Granted
- 1978-10-16 NO NO783501A patent/NO153275C/no unknown
- 1978-10-17 GB GB7840831A patent/GB2016851B/en not_active Expired
- 1978-10-17 IT IT51546/78A patent/IT1106209B/it active
- 1978-10-17 NL NL7810402A patent/NL7810402A/xx not_active Application Discontinuation
- 1978-10-17 JP JP12830278A patent/JPS55452A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55452A (en) | 1980-01-05 |
| IT7851546A0 (it) | 1978-10-17 |
| NO783501L (no) | 1979-04-18 |
| SE440152B (sv) | 1985-07-15 |
| IT1106209B (it) | 1985-11-11 |
| NO153275C (no) | 1986-02-12 |
| GB2016851B (en) | 1982-05-19 |
| FR2406205B1 (it) | 1985-04-19 |
| CA1124820A (en) | 1982-06-01 |
| FR2406205A1 (fr) | 1979-05-11 |
| DE2843956C2 (de) | 1985-03-14 |
| NO153275B (no) | 1985-11-04 |
| SE7810714L (sv) | 1979-04-18 |
| DE2843956A1 (de) | 1979-04-19 |
| GB2016851A (en) | 1979-09-26 |
| NL7810402A (nl) | 1979-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| USRE31962E (en) | LORAN-C navigation apparatus | |
| USRE31254E (en) | Self calibration of a LORAN-C navigation receiver | |
| CA1130382A (en) | Digital phase detector and method | |
| US4011562A (en) | Single frequency radio ranging system | |
| US4318105A (en) | Loran-C navigation apparatus | |
| US3810179A (en) | Radar trilateralization position locators | |
| US4071898A (en) | Ship performance analyzer | |
| US4268830A (en) | Self calibration of a LORAN-C navigation receiver | |
| US3947849A (en) | Loran receiver-navigator | |
| US3918056A (en) | Radar trilateralization position locators | |
| US4134117A (en) | Loran C receiver | |
| US4104635A (en) | LORAN-C navigation apparatus | |
| US3936828A (en) | VLF navigation system | |
| US4083047A (en) | Vehicle guidance system | |
| JPS6131829B2 (it) | ||
| US4325067A (en) | Method and apparatus for removing noise in a LORAN-C navigation receiver | |
| US3303501A (en) | Radio location system with lane identification facilities | |
| US4350984A (en) | Method of position fixing active sources utilizing differential doppler | |
| US3270343A (en) | Receiver for receiving multiple frequencies transmitted simultaneously by a phase comparison navigational system | |
| US3754260A (en) | Loran-c third cycle identification through the use of omega | |
| US3303499A (en) | Radio location ranging system | |
| US2502662A (en) | Radio beacon system | |
| US3766555A (en) | Computing digital averaging phase meter | |
| US3214759A (en) | Apparatus for providing lane identifi, cation in hyperbolic position finding systems | |
| US3774212A (en) | Frequency measuring method for a doppler beacon |