GB2251748B - Process and device for the measurement of the spatial delay between two incident microwave signals of the same frequency - Google Patents

Process and device for the measurement of the spatial delay between two incident microwave signals of the same frequency

Info

Publication number
GB2251748B
GB2251748B GB8407526A GB8407526A GB2251748B GB 2251748 B GB2251748 B GB 2251748B GB 8407526 A GB8407526 A GB 8407526A GB 8407526 A GB8407526 A GB 8407526A GB 2251748 B GB2251748 B GB 2251748B
Authority
GB
United Kingdom
Prior art keywords
measurement
same frequency
microwave signals
incident microwave
spatial delay
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 - Lifetime
Application number
GB8407526A
Other versions
GB2251748A (en
Inventor
Claude Aury
Jean-Luc Montardy
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB2251748A publication Critical patent/GB2251748A/en
Application granted granted Critical
Publication of GB2251748B publication Critical patent/GB2251748B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
    • G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
    • G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB8407526A 1983-03-31 1984-03-22 Process and device for the measurement of the spatial delay between two incident microwave signals of the same frequency Expired - Lifetime GB2251748B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8305356A FR2661507B1 (en) 1983-03-31 1983-03-31 METHOD AND DEVICE FOR MEASURING THE SPATIAL DELAY BETWEEN TWO SIGNALS OF THE SAME FREQUENCY, ESPECIALLY IN THE MICROWAVE BAND.

Publications (2)

Publication Number Publication Date
GB2251748A GB2251748A (en) 1992-07-15
GB2251748B true GB2251748B (en) 1992-11-25

Family

ID=9287445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8407526A Expired - Lifetime GB2251748B (en) 1983-03-31 1984-03-22 Process and device for the measurement of the spatial delay between two incident microwave signals of the same frequency

Country Status (5)

Country Link
DE (1) DE3411653A1 (en)
FR (1) FR2661507B1 (en)
GB (1) GB2251748B (en)
IT (1) IT1235232B (en)
NL (1) NL8401024A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748618B1 (en) * 1996-05-07 1998-08-14 Thomson Csf INTERFEROMETRIC MEASURING DEVICE WITH A SUPERHETERODYNE RECEPTOR
EP3499732B1 (en) * 2017-12-18 2020-03-11 Rohde & Schwarz GmbH & Co. KG Test arrangement, device and method for measuring a directed signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734168A (en) * 1956-02-07 Voltage input
DE919298C (en) * 1945-02-17 1954-10-18 Int Standard Electric Corp Coupling device
US3113315A (en) * 1961-06-12 1963-12-03 Boeing Co Phase comparator microwave energy direction finder
US4017854A (en) * 1975-08-21 1977-04-12 Sperry Rand Corporation Apparatus for angular measurement and beam forming with baseband radar systems

Also Published As

Publication number Publication date
GB2251748A (en) 1992-07-15
FR2661507B1 (en) 1992-10-09
IT8467306A0 (en) 1984-03-28
DE3411653A1 (en) 1992-03-05
NL8401024A (en) 1991-12-02
FR2661507A1 (en) 1991-10-31
IT1235232B (en) 1992-06-26

Similar Documents

Publication Publication Date Title
GB2145528B (en) Determining mean frequency of time varying signals
DE3472166D1 (en) Process and device for the contactless measuring of objects
EP0149533A3 (en) Apparatus for receiving super high frequency signals
DE3478560D1 (en) Method and device for the microwave heating of objects
DE3176003D1 (en) Apparatus for the detection and processing of electrical signals
DE3570530D1 (en) Device for measuring the time of travel of electromagnetic waves
DE3476621D1 (en) Frequency detector
GB2196497B (en) Apparatus for measuring the frequency of microwave signals
AU570949B2 (en) Frequency detection
IL74250A (en) Counting apparatus and method for sampling the frequency of an input signal
AU4962885A (en) Process and circuit arrangement for converting frequency- modulated signals through at least one intermediate frequency into low-frequency signals
GB2120790B (en) Electromagnetic acoustic wave test apparatus
ZA846095B (en) Method for the preparation of air-entrapped products and device therefor
GB2147110B (en) Determining the amplitude ratio and phase difference of signals of equal frequency
GB2251748B (en) Process and device for the measurement of the spatial delay between two incident microwave signals of the same frequency
GB2103446B (en) Apparatus for the line-guided transmission of signals
DE3067890D1 (en) Maleimides and process for the preparation of same
EP0122487A3 (en) Apparatus for testing the surfaces of metallic objects
GB2139818B (en) High frequency transmission device
EP0139583A3 (en) Quartz-oscillator for very high frequencies
EP0084192A3 (en) Crystals for altering the frequency of an incident optical wave and apparatus and methods for using same
GB2322260B (en) Apparatus for reducing reflections of electromagnetic signals
GB8526498D0 (en) Measuring frequency response of transmission system
GB2025631B (en) Measuring high frequency signals
GB2137762B (en) Frequency measurement

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940322