FR1040611A - Perfectionnements aux systèmes radar à modulation de fréquence - Google Patents

Perfectionnements aux systèmes radar à modulation de fréquence

Info

Publication number
FR1040611A
FR1040611A FR1040611DA FR1040611A FR 1040611 A FR1040611 A FR 1040611A FR 1040611D A FR1040611D A FR 1040611DA FR 1040611 A FR1040611 A FR 1040611A
Authority
FR
France
Prior art keywords
frequency modulation
radar systems
modulation radar
systems
frequency
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
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR1040611A publication Critical patent/FR1040611A/fr
Expired legal-status Critical Current

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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/04Display arrangements
    • G01S7/06Cathode-ray tube displays or other two dimensional or three-dimensional displays
    • G01S7/10Providing two-dimensional [2D] co-ordinated display of distance and direction
    • G01S7/12Plan-position indicators, i.e. P.P.I.

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)
FR1040611D 1950-02-10 1951-02-10 Perfectionnements aux systèmes radar à modulation de fréquence Expired FR1040611A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB300058X 1950-02-10
GB200950X 1950-09-20

Publications (1)

Publication Number Publication Date
FR1040611A true FR1040611A (fr) 1953-10-16

Family

ID=26254439

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1040611D Expired FR1040611A (fr) 1950-02-10 1951-02-10 Perfectionnements aux systèmes radar à modulation de fréquence

Country Status (5)

Country Link
US (1) US2724827A (fr)
CH (1) CH300058A (fr)
FR (1) FR1040611A (fr)
GB (1) GB676323A (fr)
NL (1) NL159117B (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB542634A (en) * 1939-10-16 1942-01-21 Helge Fabian Rost Apparatus for simultaneously measuring distances and directions of invisible objects from a movable or stationary spot
US2468032A (en) * 1941-02-28 1949-04-26 Int Standard Electric Corp Direction and distance indicating system
US2617982A (en) * 1942-04-30 1952-11-11 Sperry Corp Radio gun control system
US2427905A (en) * 1943-08-24 1947-09-23 Gen Electric Radio locating equipment
US2432330A (en) * 1944-02-18 1947-12-09 Gen Electric Locating equipment
US2416591A (en) * 1944-04-15 1947-02-25 Gen Electric Radar locating equipment
US2590114A (en) * 1947-12-26 1952-03-25 Millard S Mcvay Cathode-ray indicator
US2520595A (en) * 1948-02-27 1950-08-29 Rca Corp Visual indicator of distance between two points and the bearing of a line connectingthem

Also Published As

Publication number Publication date
GB676323A (en) 1952-07-23
CH300058A (fr) 1954-07-15
US2724827A (en) 1955-11-22
NL159117B (nl)

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