GB1113956A - Radio navigation system - Google Patents
Radio navigation systemInfo
- Publication number
- GB1113956A GB1113956A GB3691765A GB3691765A GB1113956A GB 1113956 A GB1113956 A GB 1113956A GB 3691765 A GB3691765 A GB 3691765A GB 3691765 A GB3691765 A GB 3691765A GB 1113956 A GB1113956 A GB 1113956A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- pulses
- lobe
- bearing
- fed
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
1,113,956. Radio navigation. STANDARD TELEPHONES & CABLES Ltd. 27 Aug., 1965, No. 36917/65. Heading H4D. Relates to a modification of a TACAN system wherein, in addition to the single lobe and the nine-lobe antenna system a three-lobe, threeantennae system is provided. At the receiver the 45 c/s. signal produced from the amplitude modulations of the received three-lobe radiation is used to control the passage of the 15 c/s. bearing signal to the phase comparator for comparison with 15 c/s. reference signal, in such a way that the effects of site distortion of the 15 c/s. bearing signal are reduced. In one embodiment, Fig. 2 (not shown), pulses having a width equal to 90 degrees of their respective signals are produced from the 15 c/s. and 135 c/s. bearing signals and the 45 c/s. signal and fed to a coincidence circuit. The coincidence circuit then produces pulses at 15 p.p.s. having a width equal to the 135 c/s. pulses and these pulses are fed to the phase comparator. In a second embodiment, Fig. 3 (not shown), the 15 c/s. bearing signal is passed through a variable phase shifter, controlled by the 45 c/s. signal such that it is brought into phase therewith.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3691765A GB1113956A (en) | 1965-08-27 | 1965-08-27 | Radio navigation system |
| NL6612029A NL6612029A (en) | 1965-08-27 | 1966-08-26 | |
| BE686082D BE686082A (en) | 1965-08-27 | 1966-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3691765A GB1113956A (en) | 1965-08-27 | 1965-08-27 | Radio navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1113956A true GB1113956A (en) | 1968-05-15 |
Family
ID=10392222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3691765A Expired GB1113956A (en) | 1965-08-27 | 1965-08-27 | Radio navigation system |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE686082A (en) |
| GB (1) | GB1113956A (en) |
| NL (1) | NL6612029A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088978A (en) * | 2021-11-16 | 2022-02-25 | 中国电子科技集团公司第二十研究所 | PXI structure-based calibration method and device for TACAN signal speed parameters |
-
1965
- 1965-08-27 GB GB3691765A patent/GB1113956A/en not_active Expired
-
1966
- 1966-08-26 NL NL6612029A patent/NL6612029A/xx unknown
- 1966-08-29 BE BE686082D patent/BE686082A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088978A (en) * | 2021-11-16 | 2022-02-25 | 中国电子科技集团公司第二十研究所 | PXI structure-based calibration method and device for TACAN signal speed parameters |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6612029A (en) | 1967-02-28 |
| BE686082A (en) | 1967-02-28 |
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