GB1574215A - Radio signal measuring systems - Google Patents

Radio signal measuring systems Download PDF

Info

Publication number
GB1574215A
GB1574215A GB753/77A GB75377A GB1574215A GB 1574215 A GB1574215 A GB 1574215A GB 753/77 A GB753/77 A GB 753/77A GB 75377 A GB75377 A GB 75377A GB 1574215 A GB1574215 A GB 1574215A
Authority
GB
United Kingdom
Prior art keywords
measuring
pulses
receivers
pulse
amplifier
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB753/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of GB1574215A publication Critical patent/GB1574215A/en
Expired legal-status Critical Current

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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB753/77A 1976-01-09 1977-01-10 Radio signal measuring systems Expired GB1574215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2600687A DE2600687C3 (de) 1976-01-09 1976-01-09 Schaltung zur Bestimmung der Einfallsrichtung von genormten DME-Impulsen

Publications (1)

Publication Number Publication Date
GB1574215A true GB1574215A (en) 1980-09-03

Family

ID=5967219

Family Applications (1)

Application Number Title Priority Date Filing Date
GB753/77A Expired GB1574215A (en) 1976-01-09 1977-01-10 Radio signal measuring systems

Country Status (4)

Country Link
US (1) US4109250A (enExample)
DE (1) DE2600687C3 (enExample)
FR (1) FR2337887A1 (enExample)
GB (1) GB1574215A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162495A (en) * 1977-07-27 1979-07-24 The Singer Company Updating an en-route Tacan navigation system to a precision landing aid
DE3009651C2 (de) * 1980-03-13 1983-02-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart System, bei dem aus impulsförmigen Signalen Triggerzeitpunkte abgeleitet werden
US5039991A (en) * 1990-05-15 1991-08-13 The Boeing Company Perturbation modeling system for use in processing direction-finding antenna outputs
US5898402A (en) * 1997-05-30 1999-04-27 Federal Communications Commission/Compliance And Information Bureau/Equipment Development Group Wide aperature radio frequency data acquisition system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305787A (en) * 1963-06-18 1967-02-21 Raytheon Co Peak amplitude pulse time detecting circuit
US3714573A (en) * 1970-05-06 1973-01-30 Hazeltine Corp Spread-spectrum position monitoring system
DE2453904C3 (de) * 1974-11-13 1979-12-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen DME-Bodenstation

Also Published As

Publication number Publication date
DE2600687B2 (de) 1979-04-26
FR2337887A1 (fr) 1977-08-05
DE2600687A1 (de) 1977-07-14
US4109250A (en) 1978-08-22
DE2600687C3 (de) 1980-01-10
FR2337887B1 (enExample) 1980-09-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee