IT1218031B - Modulazione ad impulsi preformati di stadi a radiofrequenza con controllo automatico di modulazione - Google Patents

Modulazione ad impulsi preformati di stadi a radiofrequenza con controllo automatico di modulazione

Info

Publication number
IT1218031B
IT1218031B IT25913/79A IT2591379A IT1218031B IT 1218031 B IT1218031 B IT 1218031B IT 25913/79 A IT25913/79 A IT 25913/79A IT 2591379 A IT2591379 A IT 2591379A IT 1218031 B IT1218031 B IT 1218031B
Authority
IT
Italy
Prior art keywords
preformed
modulation
automatic
radiofrequency
stages
Prior art date
Application number
IT25913/79A
Other languages
English (en)
Italian (it)
Other versions
IT7925913A0 (it
Inventor
Danio Graziani
Original Assignee
Face Standard Ind
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 Face Standard Ind filed Critical Face Standard Ind
Priority to IT25913/79A priority Critical patent/IT1218031B/it
Publication of IT7925913A0 publication Critical patent/IT7925913A0/it
Priority to FR8019620A priority patent/FR2466142A1/fr
Priority to GB8029901A priority patent/GB2061065B/en
Priority to DE19803034950 priority patent/DE3034950A1/de
Priority to JP13011380A priority patent/JPS56100554A/ja
Priority to IL61096A priority patent/IL61096A/xx
Priority to US06/198,300 priority patent/US4409594A/en
Application granted granted Critical
Publication of IT1218031B publication Critical patent/IT1218031B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
    • 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
    • G01S13/785—Distance Measuring Equipment [DME] systems
    • G01S13/788—Coders or decoders therefor; Special detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IT25913/79A 1979-09-21 1979-09-21 Modulazione ad impulsi preformati di stadi a radiofrequenza con controllo automatico di modulazione IT1218031B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT25913/79A IT1218031B (it) 1979-09-21 1979-09-21 Modulazione ad impulsi preformati di stadi a radiofrequenza con controllo automatico di modulazione
FR8019620A FR2466142A1 (fr) 1979-09-21 1980-09-11 Procede de controle automatique de modulation et systeme de modulation par impulsions radiofrequence preformees l'utilisant
GB8029901A GB2061065B (en) 1979-09-21 1980-09-16 Rf pulse modulation with automatic control
DE19803034950 DE3034950A1 (de) 1979-09-21 1980-09-17 Sender fuer impulsfoermige hf-signale
JP13011380A JPS56100554A (en) 1979-09-21 1980-09-20 Pulse modulating method
IL61096A IL61096A (en) 1979-09-21 1980-09-21 Rf pulse modulation with automatic control
US06/198,300 US4409594A (en) 1979-09-21 1980-10-20 Apparatus for performing radio frequency pulse modulation with automatic modulation control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25913/79A IT1218031B (it) 1979-09-21 1979-09-21 Modulazione ad impulsi preformati di stadi a radiofrequenza con controllo automatico di modulazione

Publications (2)

Publication Number Publication Date
IT7925913A0 IT7925913A0 (it) 1979-09-21
IT1218031B true IT1218031B (it) 1990-03-30

Family

ID=11218125

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25913/79A IT1218031B (it) 1979-09-21 1979-09-21 Modulazione ad impulsi preformati di stadi a radiofrequenza con controllo automatico di modulazione

Country Status (7)

Country Link
US (1) US4409594A (enExample)
JP (1) JPS56100554A (enExample)
DE (1) DE3034950A1 (enExample)
FR (1) FR2466142A1 (enExample)
GB (1) GB2061065B (enExample)
IL (1) IL61096A (enExample)
IT (1) IT1218031B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1141947B (it) * 1980-04-29 1986-10-08 Face Standard Ind Dispositivo per controllo automatico di modulazione ad impulsi
JPS61146022A (ja) * 1984-12-20 1986-07-03 Nec Corp トランスバ−サル等化器の自動調整方式
US4847517A (en) * 1988-02-16 1989-07-11 Ltv Aerospace & Defense Co. Microwave tube modulator
DE4329898A1 (de) * 1993-09-04 1995-04-06 Marcus Dr Besson Kabelloses medizinisches Diagnose- und Überwachungsgerät
JP4015363B2 (ja) * 1998-01-21 2007-11-28 ノキア コーポレイション 構成部品による歪を補償するためのパルス成形方法
FR2890262B1 (fr) * 2005-08-30 2007-10-12 Thales Sa Procede et dispositif de controle de puissance crete et de largeur d'impulsion d'un emetteur de forte puissance rf impulsionnel gaussien large bande

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502987A (en) * 1967-06-06 1970-03-24 Us Army Analog feedback implementation of gaussian modulated signals
US3662290A (en) * 1970-08-05 1972-05-09 Collins Radio Co Automatic control for amplitude-modulated signal source
BE784675A (fr) * 1972-06-09 1972-10-02 Acrodyne Ind Inc Emetteur d'impulsions a haute frequence.
US3889263A (en) * 1973-11-15 1975-06-10 Megapulse Inc Radio-frequency pulse generation system and method
US4199723A (en) * 1978-02-24 1980-04-22 Rockwell International Corporation Automatic modulation control apparatus
DE2835751C2 (de) * 1978-08-16 1980-07-03 Standard Elektrik Lorenz Ag, 7000 Stuttgart HF-Leistungsverstärker mit einer Modulationseinrichtung
US4237555A (en) * 1979-09-14 1980-12-02 International Telephone And Telegraph Corporation Automatic modulation system

Also Published As

Publication number Publication date
FR2466142A1 (fr) 1981-03-27
DE3034950A1 (de) 1981-04-09
GB2061065B (en) 1983-10-19
US4409594A (en) 1983-10-11
JPS56100554A (en) 1981-08-12
IL61096A (en) 1983-06-15
IT7925913A0 (it) 1979-09-21
GB2061065A (en) 1981-05-07
IL61096A0 (en) 1980-11-30
JPS634157B2 (enExample) 1988-01-27

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19980831