BE473003A - - Google Patents

Info

Publication number
BE473003A
BE473003A BE473003DA BE473003A BE 473003 A BE473003 A BE 473003A BE 473003D A BE473003D A BE 473003DA BE 473003 A BE473003 A BE 473003A
Authority
BE
Belgium
Prior art keywords
emi
transmitter
modulation components
arrangement according
signal
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication of BE473003A publication Critical patent/BE473003A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • G01S1/08Systems for determining direction or position line
    • G01S1/14Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Traffic Control Systems (AREA)
BE473003D 1946-05-04 BE473003A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US257447XA 1946-05-04 1946-05-04

Publications (1)

Publication Number Publication Date
BE473003A true BE473003A (de)

Family

ID=21827832

Family Applications (1)

Application Number Title Priority Date Filing Date
BE473003D BE473003A (de) 1946-05-04

Country Status (4)

Country Link
BE (1) BE473003A (de)
CH (1) CH257447A (de)
DE (1) DE804814C (de)
FR (1) FR946001A (de)

Also Published As

Publication number Publication date
FR946001A (fr) 1949-05-20
CH257447A (de) 1948-10-15
DE804814C (de) 1951-04-30

Similar Documents

Publication Publication Date Title
EP0415818A1 (de) Steuerung der Ausrichtung für Antennensystem mit elektronisch gesteuerter Auslenkung und Strahlformung durch Berechnung
JP2004503971A (ja) ビーム形成方法および装置
WO1991009435A1 (fr) Antenne iff aeroportee a diagrammes multiples commutables
FR2663469A1 (fr) Dispositif d'alimentation a des elements rayonnants d'une antenne reseau, et son application a une antenne d'un systeme d'aide a l'atterrissage du type mls.
CA1283972C (fr) Systeme d'antenne adaptatif pour ondes radioelectriques, notamment d'hyperfrequences
CH230989A (fr) Installation pour la détection d'obstacles.
EP0493255B1 (de) Schutzsystem für eine elektronische Einrichtung
FR2512281A1 (de)
FR2857786A1 (fr) Procede de commande et systeme a antenne radar
BE473003A (de)
EP0083895B1 (de) Als Modulator, Mischer und Sende-Empfangsumschalter arbeitende Mikrowellenschaltung und Einrichtungen die eine solche Schaltung benutzen
FR2598229A1 (fr) Sonar interferometrique, a large bande et emission comprimee
FR2805684A1 (fr) Systeme de telecommunications a etalement de spectre
EP0033676A1 (de) Gemeinsame Antenne für Primär-Radar und Sekundär-Radar
FR2755796A1 (fr) Alimentation pour une antenne de radar dans la bande des gigahertz
US4280055A (en) Microwave image converter
BE476938A (de)
EP0429349A1 (de) Verfahren und Einrichtung zur Übertragung breitbandiger Signale mit Hilfe einer mobilen Ausrüstung
FR2743894A1 (fr) Dispositif de mesure angulaire de la position d'une cible pour radar a impulsions electromagnetiques transitoires et radar en faisant application
CH276291A (fr) Dispositif de transformation d'impulsions modulées en phase en impulsions modulées en durée.
BE475934A (de)
CH292111A (fr) Installation radio-électrique indicatrice de direction.
EP3521851A1 (de) Vorrichtung und verfahren zum senden/empfangen von funksignalen
EP3685528A1 (de) Stealth-übertragung zwischen einer quelle an bord eines satelliten oder eines flugzeugs und einem entfernten empfänger
FR2773269A1 (fr) Dispositif large bande de detection, notamment de radars