FR2202406B1 - - Google Patents

Info

Publication number
FR2202406B1
FR2202406B1 FR7335471A FR7335471A FR2202406B1 FR 2202406 B1 FR2202406 B1 FR 2202406B1 FR 7335471 A FR7335471 A FR 7335471A FR 7335471 A FR7335471 A FR 7335471A FR 2202406 B1 FR2202406 B1 FR 2202406B1
Authority
FR
France
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
FR7335471A
Other versions
FR2202406A1 (fr
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.)
BAE Systems Electronics Ltd
Original Assignee
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of FR2202406A1 publication Critical patent/FR2202406A1/fr
Application granted granted Critical
Publication of FR2202406B1 publication Critical patent/FR2202406B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H03H9/44—Frequency dependent delay lines, e.g. dispersive delay lines
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
    • G01S13/282—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using a frequency modulated carrier wave
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • H03H9/6493—Side lobe suppression

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR7335471A 1972-10-05 1973-10-04 Expired FR2202406B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4591872A GB1389337A (en) 1972-10-05 1972-10-05 Dispersive delay devices

Publications (2)

Publication Number Publication Date
FR2202406A1 FR2202406A1 (fr) 1974-05-03
FR2202406B1 true FR2202406B1 (fr) 1976-05-14

Family

ID=10439094

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7335471A Expired FR2202406B1 (fr) 1972-10-05 1973-10-04

Country Status (4)

Country Link
US (1) US3898591A (fr)
CA (1) CA989025A (fr)
FR (1) FR2202406B1 (fr)
GB (1) GB1389337A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330848A (en) * 1976-09-03 1978-03-23 Murata Manufacturing Co Surface acoustic wave device
US6366627B1 (en) * 1983-09-28 2002-04-02 Bae Systems Information And Electronic Systems Integration, Inc. Compressive receiver with frequency expansion
US5079735A (en) * 1990-02-20 1992-01-07 Sanders Associates, Inc. High-dynamic-range compressive receiver
US20070245948A1 (en) * 2006-04-20 2007-10-25 Paulin Thomas L Bookmark

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281842A (en) * 1963-01-16 1966-10-25 Sperry Rand Corp Electronic means for suppressing range side lobes of a compressed pulse signal
US3150368A (en) * 1963-03-25 1964-09-22 Richard C Price Pulse compression residue blanking

Also Published As

Publication number Publication date
US3898591A (en) 1975-08-05
CA989025A (en) 1976-05-11
FR2202406A1 (fr) 1974-05-03
GB1389337A (en) 1975-04-03

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Legal Events

Date Code Title Description
ST Notification of lapse