IT1104120B - Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza - Google Patents

Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza

Info

Publication number
IT1104120B
IT1104120B IT48945/78A IT4894578A IT1104120B IT 1104120 B IT1104120 B IT 1104120B IT 48945/78 A IT48945/78 A IT 48945/78A IT 4894578 A IT4894578 A IT 4894578A IT 1104120 B IT1104120 B IT 1104120B
Authority
IT
Italy
Prior art keywords
frequency
improvement
modulated signals
translation systems
frequency modulated
Prior art date
Application number
IT48945/78A
Other languages
English (en)
Other versions
IT7848945A0 (it
Inventor
Cerra Raffaele
Original Assignee
Selenia Ind Elettroniche
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Selenia Ind Elettroniche filed Critical Selenia Ind Elettroniche
Priority to IT48945/78A priority Critical patent/IT1104120B/it
Publication of IT7848945A0 publication Critical patent/IT7848945A0/it
Priority to EP79830008A priority patent/EP0005127A3/en
Priority to US06/030,267 priority patent/US4293825A/en
Application granted granted Critical
Publication of IT1104120B publication Critical patent/IT1104120B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4052—Means for monitoring or calibrating by simulation of echoes
    • G01S7/4056—Means for monitoring or calibrating by simulation of echoes specially adapted to FMCW

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
IT48945/78A 1978-04-18 1978-04-18 Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza IT1104120B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT48945/78A IT1104120B (it) 1978-04-18 1978-04-18 Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza
EP79830008A EP0005127A3 (en) 1978-04-18 1979-04-11 Improvement in systems of frequency translation of frequency-modulated signals
US06/030,267 US4293825A (en) 1978-04-18 1979-04-13 Frequency-shifting systems for frequency modulated signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48945/78A IT1104120B (it) 1978-04-18 1978-04-18 Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza

Publications (2)

Publication Number Publication Date
IT7848945A0 IT7848945A0 (it) 1978-04-18
IT1104120B true IT1104120B (it) 1985-10-14

Family

ID=11269125

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48945/78A IT1104120B (it) 1978-04-18 1978-04-18 Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza

Country Status (3)

Country Link
US (1) US4293825A (it)
EP (1) EP0005127A3 (it)
IT (1) IT1104120B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569857B1 (fr) * 1982-10-13 1988-05-13 Trt Telecom Radio Electr Simulateur de retard variable electriquement pour appareil de mesure de distance a onde continue modulee en frequence
DE3309399A1 (de) * 1983-03-16 1984-09-20 ANT Nachrichtentechnik GmbH, 7150 Backnang Diodenmischer mit vorspannungssteuerung sowie dessen anwendung
US4503562A (en) * 1983-03-29 1985-03-05 Rockwell International Corporation Maintaining frequency accuracy in single sideband repeaters
DE3613536A1 (de) * 1986-04-22 1987-10-29 Ant Nachrichtentech Verfahren zur regelung eines einseitenband-aufwaertsmischers sowie anordnung hierzu
JPH0195810A (ja) * 1987-10-07 1989-04-13 Sumitomo Light Metal Ind Ltd 圧延機における板厚制御方法
US6150976A (en) * 1998-08-12 2000-11-21 Aai Corporation Synthesis of overlapping chirp waveforms
US7409192B2 (en) * 2005-07-21 2008-08-05 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for frequency synthesis in direct-conversion transmitters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249886A (en) * 1963-11-27 1966-05-03 Gen Time Corp Frequency multiplying synchronous oscillator controlled by time overlap between synchronous pulses and the oscillator output
US3471858A (en) * 1968-10-30 1969-10-07 Nasa Dynamic doppler simulator
US3600699A (en) * 1969-08-21 1971-08-17 Rca Corp Frequency synthesizer having a plurality of cascaded phase locked loops
FR2066885A1 (it) * 1969-10-24 1971-08-13 Thomson Csf
US3691394A (en) * 1971-08-25 1972-09-12 Spectral Dynamics Corp Frequency band shifter
US4035833A (en) * 1975-12-01 1977-07-12 Ilc Data Device Corporation Method and apparatus for adjusting the output frequency of a frequency source to a very high degree of precision

Also Published As

Publication number Publication date
IT7848945A0 (it) 1978-04-18
EP0005127A2 (en) 1979-10-31
EP0005127A3 (en) 1979-11-28
US4293825A (en) 1981-10-06

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