Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
  • H01Q25/04—Multimode antennas
• • 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
  • G01S13/42—Simultaneous measurement of distance and other co-ordinates
  • G01S13/44—Monopulse radar, i.e. simultaneous lobing
  • G01S13/4409—HF sub-systems particularly adapted therefor, e.g. circuits for signal combination
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
  • H01P5/00—Coupling devices of the waveguide type
  • H01P5/12—Coupling devices having more than two ports
  • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
  • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns

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)
• Constitution Of High-Frequency Heating (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8820374

Family Applications (1)

Country Status (6)

Families Citing this family (1)

• 1964
  • 1964-01-07 FR FR959520A patent/FR1394078A/fr not_active Expired
• 1965
  • 1965-01-04 SE SE4465A patent/SE339952B/xx unknown
  • 1965-01-06 CH CH12265A patent/CH425914A/fr unknown
  • 1965-01-06 GB GB65565A patent/GB1100665A/en not_active Expired
  • 1965-01-06 IL IL2273565A patent/IL22735A/xx unknown
  • 1965-01-07 NL NL6500120A patent/NL6500120A/xx unknown

Also Published As

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