IT1042766B - Rivelatore di segnali digitali - Google Patents
Rivelatore di segnali digitaliInfo
- Publication number
- IT1042766B IT1042766B IT27519/75A IT2751975A IT1042766B IT 1042766 B IT1042766 B IT 1042766B IT 27519/75 A IT27519/75 A IT 27519/75A IT 2751975 A IT2751975 A IT 2751975A IT 1042766 B IT1042766 B IT 1042766B
- Authority
- IT
- Italy
- Prior art keywords
- digital signal
- signal detector
- detector
- digital
- signal
- 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
- G01S1/04—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
- G01S13/781—Secondary Surveillance Radar [SSR] in general
- G01S13/784—Coders or decoders therefor; Degarbling systems; Defruiting systems
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Radar Systems Or Details Thereof (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Manipulation Of Pulses (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/508,926 US3981440A (en) | 1974-09-25 | 1974-09-25 | Digital signal detector |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1042766B true IT1042766B (it) | 1980-01-30 |
Family
ID=24024630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27519/75A IT1042766B (it) | 1974-09-25 | 1975-09-23 | Rivelatore di segnali digitali |
Country Status (6)
Country | Link |
---|---|
US (1) | US3981440A (it) |
JP (1) | JPS5160571A (it) |
AU (1) | AU8499475A (it) |
DE (1) | DE2542061A1 (it) |
FR (1) | FR2286386A1 (it) |
IT (1) | IT1042766B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4081130A (en) * | 1975-10-28 | 1978-03-28 | International Mobile Machines Corporation | Filter-type pulse detection means |
US4053738A (en) * | 1976-09-27 | 1977-10-11 | Honeywell Information Systems Inc. | Programmable data envelope detector |
US4101761A (en) * | 1976-11-26 | 1978-07-18 | Pacific Western Systems | Timing pulse generator |
JPS5838750B2 (ja) * | 1978-05-23 | 1983-08-25 | 富士通株式会社 | 周期比較回路 |
US4254327A (en) * | 1979-05-17 | 1981-03-03 | The United States Of America As Represented By The Secretary Of The Navy | Pulse generator having selectable pulse width and pulse repetition interval |
FR2481461A1 (fr) * | 1980-04-25 | 1981-10-30 | Radiotechnique Compelec | Dispositif programmable, pour tester les durees d'un signal electrique, notamment d'impulsions |
FR2588965B1 (fr) * | 1985-10-17 | 1988-09-16 | Kalfon Rene | Dispositif de detection d'impulsions en fonction de leur duree |
DE3715595A1 (de) * | 1987-05-09 | 1988-11-24 | Broadcast Television Syst | Verfahren zur verkopplung von vertikalfrequenten synchronsignalen |
US5018167A (en) * | 1989-06-26 | 1991-05-21 | Perelman Frank M | Modem employing pulse width modulation for data transmission |
US5859878A (en) * | 1995-08-31 | 1999-01-12 | Northrop Grumman Corporation | Common receive module for a programmable digital radio |
US6072994A (en) * | 1995-08-31 | 2000-06-06 | Northrop Grumman Corporation | Digitally programmable multifunction radio system architecture |
US5867535A (en) * | 1995-08-31 | 1999-02-02 | Northrop Grumman Corporation | Common transmit module for a programmable digital radio |
US5909193A (en) * | 1995-08-31 | 1999-06-01 | Northrop Grumman Corporation | Digitally programmable radio modules for navigation systems |
US5712628A (en) * | 1995-08-31 | 1998-01-27 | Northrop Grumman Corporation | Digitally programmable radio modules for transponder systems |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3581066A (en) * | 1968-03-06 | 1971-05-25 | Lear Siegler Inc | Programmable counting circuit |
US3714645A (en) * | 1970-10-26 | 1973-01-30 | Nasa | Rate data encoder |
US3667054A (en) * | 1971-02-10 | 1972-05-30 | Us Navy | Pulse train decoder with pulse width rejection |
US3728635A (en) * | 1971-09-08 | 1973-04-17 | Singer Co | Pulsed selectable delay system |
GB1425033A (en) * | 1972-03-10 | 1976-02-18 | Hendrickson A E | Data signal recogniion apparatus |
JPS4924482A (it) * | 1972-06-27 | 1974-03-04 | ||
US3790881A (en) * | 1973-03-06 | 1974-02-05 | Us Army | Pulse width selector |
US3840174A (en) * | 1973-05-29 | 1974-10-08 | Rca Corp | Precision digital interpolator |
-
1974
- 1974-09-25 US US05/508,926 patent/US3981440A/en not_active Expired - Lifetime
-
1975
- 1975-09-19 AU AU84994/75A patent/AU8499475A/en not_active Expired
- 1975-09-20 DE DE19752542061 patent/DE2542061A1/de active Pending
- 1975-09-23 IT IT27519/75A patent/IT1042766B/it active
- 1975-09-23 JP JP50114381A patent/JPS5160571A/ja active Pending
- 1975-09-25 FR FR7529373A patent/FR2286386A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2542061A1 (de) | 1976-04-01 |
JPS5160571A (it) | 1976-05-26 |
US3981440A (en) | 1976-09-21 |
FR2286386A1 (fr) | 1976-04-23 |
AU8499475A (en) | 1977-03-24 |
FR2286386B1 (it) | 1979-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7501395A (pt) | Computador digital | |
DK506875A (da) | Digitalsignalbehandlingskobling | |
DK142894C (da) | Signaloptagelsessystem | |
SE404861B (sv) | Anleggning innefattande en integrerande digitalsignalbehandlingsanordning | |
IT1039027B (it) | Converittote di segnale perfezionato | |
IT1042766B (it) | Rivelatore di segnali digitali | |
DE2559484A1 (de) | Signalunterbrechungsschaltung | |
SE420868B (sv) | Signalbehandlingskrets | |
DK147028C (da) | Digitalt synkroniseringsanlaeg | |
BR7504436A (pt) | Bussola de estado solido digital | |
JPS514579A (ja) | Shinkushadanki | |
NL7505760A (nl) | Weegschalen met digitale aanwijzing. | |
DK260275A (da) | Signalreproduktionsanleg | |
SE401437B (sv) | Signalbehandlingsanordning | |
FR2282678A1 (fr) | Analyseur differentiel numerique | |
JPS5173265A (ja) | Shinkushadanki | |
JPS5124989A (ja) | Emaajenshiiisha | |
SE7510073L (sv) | Rorelsedetektor | |
SE7512026L (sv) | Avkenningsdon | |
JPS5110369A (ja) | Shinkushadanki | |
JPS5163470A (ja) | Shinkuparupu | |
JPS5128671A (ja) | Shinkushadanki | |
JPS5120570A (ja) | Shinkushadanki | |
DK156798C (da) | Signalbehandlingsanlaeg | |
JPS5173266A (ja) | Shinkushadanki |