ITMI912860A0 - ARRANGEMENTS OF DEFORMABLE TRANSDUCERS - Google Patents

ARRANGEMENTS OF DEFORMABLE TRANSDUCERS

Info

Publication number
ITMI912860A0
ITMI912860A0 IT91MI2860A ITMI912860A ITMI912860A0 IT MI912860 A0 ITMI912860 A0 IT MI912860A0 IT 91MI2860 A IT91MI2860 A IT 91MI2860A IT MI912860 A ITMI912860 A IT MI912860A IT MI912860 A0 ITMI912860 A0 IT MI912860A0
Authority
IT
Italy
Prior art keywords
transducers
deformable
arrangements
deformable transducers
Prior art date
Application number
IT91MI2860A
Other languages
Italian (it)
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
Publication of ITMI912860A1 publication Critical patent/ITMI912860A1/en
Application filed filed Critical
Publication of ITMI912860A0 publication Critical patent/ITMI912860A0/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • 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
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
    • 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
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic 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)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
IT91MI2860A 1990-01-19 1991-10-29 ARRANGEMENTS OF DEFORMABLE TRANSDUCERS ITMI912860A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9001307A GB2274022B (en) 1990-01-19 1990-01-19 Deformable transducer arrays

Publications (2)

Publication Number Publication Date
ITMI912860A1 ITMI912860A1 (en) 1991-07-19
ITMI912860A0 true ITMI912860A0 (en) 1991-10-29

Family

ID=10669610

Family Applications (1)

Application Number Title Priority Date Filing Date
IT91MI2860A ITMI912860A0 (en) 1990-01-19 1991-10-29 ARRANGEMENTS OF DEFORMABLE TRANSDUCERS

Country Status (4)

Country Link
DE (1) DE4131609A1 (en)
GB (1) GB2274022B (en)
IT (1) ITMI912860A0 (en)
NL (1) NL9115002A (en)

Also Published As

Publication number Publication date
NL9115002A (en) 1993-10-01
GB2274022A (en) 1994-07-06
ITMI912860A1 (en) 1991-07-19
DE4131609A1 (en) 1994-05-11
GB2274022B (en) 1994-12-14
GB9001307D0 (en) 1993-06-16

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Legal Events

Date Code Title Description
0002 Rejected