BE453186A - - Google Patents

Info

Publication number
BE453186A
BE453186A BE453186DA BE453186A BE 453186 A BE453186 A BE 453186A BE 453186D A BE453186D A BE 453186DA BE 453186 A BE453186 A BE 453186A
Authority
BE
Belgium
Prior art keywords
frequency
antenna
emi
oscillations
beat
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 BE453186A publication Critical patent/BE453186A/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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/32Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
BE453186D 1942-11-16 BE453186A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL244633X 1942-11-16

Publications (1)

Publication Number Publication Date
BE453186A true BE453186A (OSRAM)

Family

ID=19780777

Family Applications (1)

Application Number Title Priority Date Filing Date
BE453186D BE453186A (OSRAM) 1942-11-16

Country Status (3)

Country Link
BE (1) BE453186A (OSRAM)
CH (1) CH244633A (OSRAM)
FR (1) FR899774A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030172A1 (de) * 1990-09-24 1992-03-26 Rtt Thueringer Textilwerke Urs Mischfaservlies mit schafschurwolle und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
FR899774A (fr) 1945-06-11
CH244633A (de) 1946-09-30

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