IT984126B - Picevitore per sistema di guida ad analisi doppler con calcola tore di trasformata di fourier - Google Patents
Picevitore per sistema di guida ad analisi doppler con calcola tore di trasformata di fourierInfo
- Publication number
- IT984126B IT984126B IT23417/73A IT2341773A IT984126B IT 984126 B IT984126 B IT 984126B IT 23417/73 A IT23417/73 A IT 23417/73A IT 2341773 A IT2341773 A IT 2341773A IT 984126 B IT984126 B IT 984126B
- Authority
- IT
- Italy
- Prior art keywords
- receiver
- fourier transform
- guide system
- doppler analysis
- transform calculator
- 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 |
|---|---|---|---|
| FR7215212A FR2181553B1 (US08124317-20120228-C00026.png) | 1972-04-28 | 1972-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT984126B true IT984126B (it) | 1974-11-20 |
Family
ID=9097712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT23417/73A IT984126B (it) | 1972-04-28 | 1973-04-26 | Picevitore per sistema di guida ad analisi doppler con calcola tore di trasformata di fourier |
Country Status (7)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1579329A (en) * | 1976-04-08 | 1980-11-19 | Plessey Co Ltd | Identification frequency |
| US4298985A (en) * | 1979-12-31 | 1981-11-03 | The United States Of America As Represented By The Secretary Of The Army | Digital filter bank detector |
| DE102007038829B4 (de) | 2007-08-16 | 2009-09-03 | Stefan Zoell | Vorrichtung zur Körperunterstützung und Verwendung der Vorrichtung in unterschiedlichen Tätigkeitsbereichen eines Benutzers |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3657693A (en) * | 1965-11-15 | 1972-04-18 | Control Data Corp | Multiple beam scanned planar array |
| US3444555A (en) * | 1967-06-06 | 1969-05-13 | Itt | Frequency scanning radar system with improved angular target detection |
| GB1225190A (US08124317-20120228-C00026.png) * | 1968-09-23 | 1971-03-17 | ||
| US3568189A (en) * | 1969-03-11 | 1971-03-02 | Joseph L Poirier | Spectrum analysis radar system for angle determination |
| BE759259A (fr) * | 1969-11-24 | 1971-05-24 | Int Standard Electric Corp | Procede de mesure de frequence |
| FR2120293A5 (US08124317-20120228-C00026.png) * | 1970-12-29 | 1972-08-18 | Labo Cent Telecommunicat | |
| US3735403A (en) * | 1971-08-02 | 1973-05-22 | Raytheon Co | Tracking radar |
| BE792171A (fr) * | 1971-09-17 | 1973-06-01 | Int Standard Electric Corp | Antenne d'exploration de trame |
-
1972
- 1972-04-28 FR FR7215212A patent/FR2181553B1/fr not_active Expired
-
1973
- 1973-04-09 AU AU54263/73A patent/AU471658B2/en not_active Expired
- 1973-04-16 GB GB1821773A patent/GB1421027A/en not_active Expired
- 1973-04-26 IT IT23417/73A patent/IT984126B/it active
- 1973-04-26 DE DE2321229A patent/DE2321229A1/de active Pending
- 1973-04-26 JP JP48046846A patent/JPS4948291A/ja active Pending
- 1973-04-27 US US354924A patent/US3863055A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU5426373A (en) | 1974-10-10 |
| FR2181553B1 (US08124317-20120228-C00026.png) | 1977-08-26 |
| JPS4948291A (US08124317-20120228-C00026.png) | 1974-05-10 |
| US3863055A (en) | 1975-01-28 |
| AU471658B2 (en) | 1976-04-29 |
| GB1421027A (en) | 1976-01-14 |
| DE2321229A1 (de) | 1973-11-08 |
| FR2181553A1 (US08124317-20120228-C00026.png) | 1973-12-07 |
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