BR7706591A - Receptor de correlacao aperfeicoado para sistema de aterrisagem por micro-ondas doppler - Google Patents
Receptor de correlacao aperfeicoado para sistema de aterrisagem por micro-ondas dopplerInfo
- Publication number
- BR7706591A BR7706591A BR7706591A BR7706591A BR7706591A BR 7706591 A BR7706591 A BR 7706591A BR 7706591 A BR7706591 A BR 7706591A BR 7706591 A BR7706591 A BR 7706591A BR 7706591 A BR7706591 A BR 7706591A
- Authority
- BR
- Brazil
- Prior art keywords
- landing system
- correlation receiver
- perfect correlation
- microwave landing
- doppler microwave
- Prior art date
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
- 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
- G01S1/40—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 the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas
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)
- Circuits Of Receivers In General (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/729,063 US4067014A (en) | 1976-10-04 | 1976-10-04 | Correlation receiver for doppler microwave landing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7706591A true BR7706591A (pt) | 1978-08-22 |
Family
ID=24929430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7706591A BR7706591A (pt) | 1976-10-04 | 1977-10-03 | Receptor de correlacao aperfeicoado para sistema de aterrisagem por micro-ondas doppler |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4067014A (pt) |
| JP (1) | JPS5345997A (pt) |
| BR (1) | BR7706591A (pt) |
| DD (1) | DD133179A5 (pt) |
| DE (1) | DE2744651A1 (pt) |
| FR (1) | FR2366580A1 (pt) |
| NL (1) | NL7710898A (pt) |
| SE (1) | SE7711113L (pt) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4333150A (en) * | 1980-01-28 | 1982-06-01 | Westinghouse Electric Corp. | Signal receiving apparatus and method |
| US5334984A (en) * | 1989-06-02 | 1994-08-02 | Tokyo Keiki Co., Ltd. | Method and system for locating direction of transmission source based on wave therefrom |
| US5694131A (en) * | 1996-03-01 | 1997-12-02 | Hughes Electronics | Method and apparatus for detecting multipath interference in a radar receiver |
| US5960350A (en) * | 1996-12-05 | 1999-09-28 | Motorola, Inc. | Method and system for optimizing a traffic channel in a wireless communications system |
| CA2229737A1 (en) * | 1998-02-18 | 1999-08-18 | Philsar Electronics Inc. | Analog to digital converter for radio applications |
| US6329947B2 (en) * | 1999-10-12 | 2001-12-11 | Mark D. Smith | System for processing directional signals |
| US8730031B2 (en) | 2005-04-28 | 2014-05-20 | Proteus Digital Health, Inc. | Communication system using an implantable device |
| TWI503101B (zh) | 2008-12-15 | 2015-10-11 | Proteus Digital Health Inc | 與身體有關的接收器及其方法 |
| US9659423B2 (en) | 2008-12-15 | 2017-05-23 | Proteus Digital Health, Inc. | Personal authentication apparatus system and method |
| US9439566B2 (en) | 2008-12-15 | 2016-09-13 | Proteus Digital Health, Inc. | Re-wearable wireless device |
| KR101798128B1 (ko) | 2010-02-01 | 2017-11-16 | 프로테우스 디지털 헬스, 인코포레이티드 | 데이터 수집 시스템 |
| WO2012125425A2 (en) | 2011-03-11 | 2012-09-20 | Proteus Biomedical, Inc. | Wearable personal body associated device with various physical configurations |
| WO2015112603A1 (en) | 2014-01-21 | 2015-07-30 | Proteus Digital Health, Inc. | Masticable ingestible product and communication system therefor |
| US9756874B2 (en) | 2011-07-11 | 2017-09-12 | Proteus Digital Health, Inc. | Masticable ingestible product and communication system therefor |
| DE102011054093A1 (de) * | 2011-09-30 | 2013-04-04 | Technische Universität Braunschweig | Messverfahren zur Analyse der Ausbreitung elektromagnetischer Navigationssignale |
| JP6498177B2 (ja) | 2013-03-15 | 2019-04-10 | プロテウス デジタル ヘルス， インコーポレイテッド | 本人認証装置システムおよび方法 |
| CA2924815C (en) * | 2013-09-20 | 2017-06-20 | Proteus Digital Health, Inc. | Methods, devices and systems for receiving and decoding a signal in the presence of noise using slices and warping |
| WO2015044722A1 (en) | 2013-09-24 | 2015-04-02 | Proteus Digital Health, Inc. | Method and apparatus for use with received electromagnetic signal at a frequency not known exactly in advance |
| US10084880B2 (en) | 2013-11-04 | 2018-09-25 | Proteus Digital Health, Inc. | Social media networking based on physiologic information |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3747105A (en) * | 1970-09-29 | 1973-07-17 | Bendix Corp | Position determining system for helicopters |
| US3819920A (en) * | 1973-01-29 | 1974-06-25 | Singer Co | Digital frequency tracker |
-
1976
- 1976-10-04 US US05/729,063 patent/US4067014A/en not_active Expired - Lifetime
-
1977
- 1977-10-03 BR BR7706591A patent/BR7706591A/pt unknown
- 1977-10-04 DD DD7700201354A patent/DD133179A5/xx unknown
- 1977-10-04 FR FR7729796A patent/FR2366580A1/fr not_active Withdrawn
- 1977-10-04 NL NL7710898A patent/NL7710898A/xx not_active Application Discontinuation
- 1977-10-04 SE SE7711113A patent/SE7711113L/xx unknown
- 1977-10-04 JP JP11938477A patent/JPS5345997A/ja active Pending
- 1977-10-04 DE DE19772744651 patent/DE2744651A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7710898A (nl) | 1978-04-06 |
| FR2366580A1 (fr) | 1978-04-28 |
| JPS5345997A (en) | 1978-04-25 |
| DD133179A5 (de) | 1978-12-13 |
| SE7711113L (sv) | 1978-04-05 |
| DE2744651A1 (de) | 1978-04-13 |
| US4067014A (en) | 1978-01-03 |
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