IT1037464B - Elaboratore di segnale per un sistema di navigazione del tipo doppler - Google Patents
Elaboratore di segnale per un sistema di navigazione del tipo dopplerInfo
- Publication number
- IT1037464B IT1037464B IT22542/75A IT2254275A IT1037464B IT 1037464 B IT1037464 B IT 1037464B IT 22542/75 A IT22542/75 A IT 22542/75A IT 2254275 A IT2254275 A IT 2254275A IT 1037464 B IT1037464 B IT 1037464B
- Authority
- IT
- Italy
- Prior art keywords
- signal processor
- navigation system
- doppler type
- doppler
- type
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB18084/74A GB1502768A (en) | 1974-04-25 | 1974-04-25 | Signal processing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1037464B true IT1037464B (it) | 1979-11-10 |
Family
ID=10106391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT22542/75A IT1037464B (it) | 1974-04-25 | 1975-04-21 | Elaboratore di segnale per un sistema di navigazione del tipo doppler |
Country Status (4)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5964708A (en) * | 1997-10-06 | 1999-10-12 | The Regents Of The University Of Michigan | Beamformed ultrasonic imager with delta-sigma feedback control |
| US6867720B1 (en) | 1997-10-06 | 2005-03-15 | The Regents Of The University Of Michigan | Beamformed ultrasonic imager with delta-sigma feedback control |
| TW583640B (en) * | 2003-03-04 | 2004-04-11 | Chunghwa Picture Tubes Ltd | Display scan integrated circuit |
| US9366761B2 (en) | 2012-08-08 | 2016-06-14 | Honeywell International Inc. | Systems and methods for efficient reception and combining of similar signals received on two or more antennas |
| CN107153408B (zh) * | 2017-04-21 | 2019-02-22 | 西安热工研究院有限公司 | 一种火电机组dcs数据的滤波方法 |
| CN110221123B (zh) * | 2019-05-30 | 2020-11-10 | 西安交通大学 | Cmuts谐振式生化传感器的频率追踪电路 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2954465A (en) * | 1958-08-07 | 1960-09-27 | Cutler Hammer Inc | Signal translation apparatus utilizing dispersive networks and the like, e.g. for panoramic reception, amplitude-controlling frequency response, signal frequency gating,frequency-time domain conversion, etc. |
| US3537008A (en) * | 1967-05-09 | 1970-10-27 | Trw Inc | Communications system incorporating means for combatting multipath interference |
| US3623089A (en) * | 1969-10-08 | 1971-11-23 | Us Navy | Means for integrating successive radar video signals in a computer |
-
1974
- 1974-04-25 GB GB18084/74A patent/GB1502768A/en not_active Expired
-
1975
- 1975-02-27 US US05/553,480 patent/US3946320A/en not_active Expired - Lifetime
- 1975-04-21 IT IT22542/75A patent/IT1037464B/it active
- 1975-04-25 FR FR7512957A patent/FR2269085B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3946320A (en) | 1976-03-23 |
| FR2269085A1 (US20100268047A1-20101021-C00003.png) | 1975-11-21 |
| GB1502768A (en) | 1978-03-01 |
| FR2269085B3 (US20100268047A1-20101021-C00003.png) | 1979-02-16 |
| AU8029275A (en) | 1976-10-21 |
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