CA1106044A - Scanning beam radio navigation method and apparatus - Google Patents
Scanning beam radio navigation method and apparatusInfo
- Publication number
- CA1106044A CA1106044A CA278,250A CA278250A CA1106044A CA 1106044 A CA1106044 A CA 1106044A CA 278250 A CA278250 A CA 278250A CA 1106044 A CA1106044 A CA 1106044A
- Authority
- CA
- Canada
- Prior art keywords
- sector
- signals
- angle
- scan
- antenna array
- 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
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000006870 function Effects 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 9
- 230000001629 suppression Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 230000001702 transmitter Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010200 validation analysis Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000009131 signaling function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 241000812633 Varicus Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual 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
- 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
- G01S1/022—Means for monitoring or calibrating
- G01S1/024—Means for monitoring or calibrating of beacon transmitters
-
- 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
- G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
-
- 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
- G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
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)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68815976A | 1976-05-20 | 1976-05-20 | |
| US688,159 | 1976-05-20 | ||
| US747,244 | 1976-12-03 | ||
| US05/747,244 US4080600A (en) | 1976-05-20 | 1976-12-03 | Scanning beam radio navigation method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1106044A true CA1106044A (en) | 1981-07-28 |
Family
ID=27104173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA278,250A Expired CA1106044A (en) | 1976-05-20 | 1977-05-12 | Scanning beam radio navigation method and apparatus |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS53991A (enrdf_load_html_response) |
| AU (1) | AU503018B2 (enrdf_load_html_response) |
| CA (1) | CA1106044A (enrdf_load_html_response) |
| DE (1) | DE2722217A1 (enrdf_load_html_response) |
| FR (1) | FR2352308A1 (enrdf_load_html_response) |
| GB (1) | GB1523861A (enrdf_load_html_response) |
| NL (1) | NL7705381A (enrdf_load_html_response) |
| SE (1) | SE7705831L (enrdf_load_html_response) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2924847A1 (de) * | 1979-06-20 | 1981-01-22 | Standard Elektrik Lorenz Ag | Mikrowellenlandesystem, das nach dem strahlschwenkverfahren arbeitet |
| JPS5653532U (enrdf_load_html_response) * | 1979-10-02 | 1981-05-11 |
-
1977
- 1977-05-12 CA CA278,250A patent/CA1106044A/en not_active Expired
- 1977-05-12 GB GB19925/77A patent/GB1523861A/en not_active Expired
- 1977-05-16 FR FR7714893A patent/FR2352308A1/fr active Granted
- 1977-05-16 NL NL7705381A patent/NL7705381A/xx not_active Application Discontinuation
- 1977-05-16 AU AU25158/77A patent/AU503018B2/en not_active Expired
- 1977-05-17 DE DE19772722217 patent/DE2722217A1/de not_active Withdrawn
- 1977-05-17 SE SE7705831A patent/SE7705831L/xx unknown
- 1977-05-19 JP JP5817177A patent/JPS53991A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1523861A (en) | 1978-09-06 |
| DE2722217A1 (de) | 1977-12-01 |
| SE7705831L (sv) | 1977-11-21 |
| AU503018B2 (en) | 1979-08-16 |
| AU2515877A (en) | 1978-11-23 |
| JPS53991A (en) | 1978-01-07 |
| FR2352308B3 (enrdf_load_html_response) | 1980-02-15 |
| FR2352308A1 (fr) | 1977-12-16 |
| NL7705381A (nl) | 1977-11-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |