US2354254A - Directional antenna with suppressed lobes or ears - Google Patents

Directional antenna with suppressed lobes or ears Download PDF

Info

Publication number
US2354254A
US2354254A US388936A US38893641A US2354254A US 2354254 A US2354254 A US 2354254A US 388936 A US388936 A US 388936A US 38893641 A US38893641 A US 38893641A US 2354254 A US2354254 A US 2354254A
Authority
US
United States
Prior art keywords
suppressed
lobes
antenna
directional antenna
units
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
US388936A
Other languages
English (en)
Inventor
Gerhard Ernst
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US2354254A publication Critical patent/US2354254A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/08—Trick photography
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/062—Two dimensional planar arrays using dipole aerials

Definitions

  • the antenna shown in Figure 1 may utilize cylindrical parabola reflectors of the kind shown in Figure 2, or sheet radiators comprising a plurality of dipoles, for instance, of the kind shown in Figure 3.
  • a number of the radiators, mounted in one plane staggered with relation to one another, may be assembled to form rhombic antenna such as shown in.
  • Figures 5 to '7 illustrate theoretically determined horizontal diagrams corresponding to the sheet antennae shown alongside the patterns.
  • Figure 2 shows a perspective view of a cylindric parabola reflector 2
  • the energizing antenna within the reflector is not shown but may be of any conventional type.
  • Figure 3 shows a broadside array 3
  • shown in Figure 3 may be combined as shown in Figure 4 in the practice of the present invention.
  • the combination simulates a rhombic radiating sheet 4
  • Figure 5 shows the horizontal diagram of a plain sheet antenna 5
  • width, x being the operating wavelength.
  • Figure 6 shows the diagram corresponding to an antenna comprising two surfaces 5
  • first Figure 7 shows theydiagram ofanantenna comprising foursheets; each of-lx width, staggered withrespect'to one another.: The arrange- -ment results from; staggering two-schemes'yas shown in- Figure-G an amount -equalto; ⁇ /2 with respect to each other; i In this case the thirdsma'x ximum has been suppressed appreciably asawell as the first and second maxima.
  • any desired energy distribution in horizontal sense is attainable, with the result that only the first maximum, or only maxima of a higher ordinal number or all of them may be suppressed.
  • the energy distribution required for each case is ascertainable by calculation by the application of known methods.
  • a directional antenna including a plurality of radiating units, each radiating energy in a pattern having a main lobe and a plurality of supplemental lobes, said units being arranged in a vertical plane normal to the desired line of transmission, one of said. units so being shifted laterally in said plane with respect to another that first and second supplemental lobes are suppressed and radiating units adjacent said one and said other unit being shifted laterally in said plane such distance that third supplemental lobes are suppressed.
  • a directional antenna array including a plurality of radiating units, each unit including a cylindric parabolic reflector having energizing means therewithin, the radiating pattern of each of said units including amain lobe and a plurality of supplementary lobes, the mouth openings of said reflectors having a lateral dimension of the order of several wavelengths, said radiating units being so arranged that the mouth openings of said reflectors he one above the other in a vertical plane, said units being displaced laterally in said plane each with respect to an adjacent unit a distance such that said supplementary lobes are suppressed.
  • a directional antenna array including at least a pair of radiating units, each unitincluding a cylindric parabolic reflector having energizing means therewithin, the mouth openings of said reflectors having a lateral dimension of the order '10 of several wavelengths, said units being so ar"' ranged that the mouth openings of saidreflect'ors lie one above the other in a vertical planefori of said units being displaced laterally in said plane a distance equal to four-thirds of the-bp-g I crating wavelength with respect to the other 4.
  • a directive antenna system including a' pair of antenna arrays, as set forth in claim 3, said arrays being arranged vertically one above the I other and one being shifted laterally a distance equal to one-half of the operating wavelength with resect to the other.
  • a directional antenna array including a pair of radiators each characterized infth'at' at a pre determined position "with-respect to said radiw re we i eiiw wea he -c '7.
  • a directional antenna including a plurality of radiating units, each so constructed that at a predetermined position with respect to said radiator there exists a plane having a uniform field distribution over an area extending transversely of the electric component of said field for a distance equivalent to at least a whole number of wavelengths, said radiators being stacked vertically one above the other and said radiators being displaced laterally in a vertical plane with respect to one another a distance such that supplementary lobes of radiation are suppressed.
  • radiators including a plurality of radiatingunits, each so constructed that at a predetermined position with respect to said radiator there exists a plane having a uniform field distribution over an area extending transversely of the electric component of said field for a disr tance equivalent to at least a whole number of wave lenths, said radiators being stacked verticallyirone above the other and-said, radiators being'displaced laterally in a vertical plane with respect to one anoth'erxa distance such that sup-o plementary lobesv of radiation are suppressed,
  • each "of said radiating units comprising a plurality of vertical dipoles'arranged as abroadsidelarray.
  • a directional antenna array including 'a pair of radiating units each so constructed that at'a' predetermined position with respect to said radiating unit there-exists a plane havinguniform field distribution over an area extending transversely of the electric component of said field for a distance equivalent to at least a whole number of wave lengths, said radiating units being stacked vertically one above the other and-one of said radiating units being displaced laterally "with respect to the other.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
US388936A 1939-10-08 1941-04-17 Directional antenna with suppressed lobes or ears Expired - Lifetime US2354254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET2177D DE865010C (de) 1939-10-08 1939-10-08 Richtantennenanordnung mit unterdrueckter Seitenstrahlung

Publications (1)

Publication Number Publication Date
US2354254A true US2354254A (en) 1944-07-25

Family

ID=7543701

Family Applications (1)

Application Number Title Priority Date Filing Date
US388936A Expired - Lifetime US2354254A (en) 1939-10-08 1941-04-17 Directional antenna with suppressed lobes or ears

Country Status (4)

Country Link
US (1) US2354254A (fr)
CH (1) CH219531A (fr)
DE (1) DE865010C (fr)
FR (2) FR870032A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471284A (en) * 1945-05-25 1949-05-24 Bell Telephone Labor Inc Directive antenna system
US2526675A (en) * 1945-04-28 1950-10-24 Sperry Corp Antenna structure
US2570599A (en) * 1946-03-19 1951-10-09 Rca Corp Aerial array and feeder arrangement for use therewith
US2724054A (en) * 1946-01-05 1955-11-15 George J Yevick Pillbox antenna
US2804614A (en) * 1951-02-23 1957-08-27 Luis W Alvarez Suppressed side-lobe radio receiving system
US3059322A (en) * 1961-03-17 1962-10-23 Grady L Teague Method of making a collapsible antenna of wire mesh

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526675A (en) * 1945-04-28 1950-10-24 Sperry Corp Antenna structure
US2471284A (en) * 1945-05-25 1949-05-24 Bell Telephone Labor Inc Directive antenna system
US2724054A (en) * 1946-01-05 1955-11-15 George J Yevick Pillbox antenna
US2570599A (en) * 1946-03-19 1951-10-09 Rca Corp Aerial array and feeder arrangement for use therewith
US2804614A (en) * 1951-02-23 1957-08-27 Luis W Alvarez Suppressed side-lobe radio receiving system
US3059322A (en) * 1961-03-17 1962-10-23 Grady L Teague Method of making a collapsible antenna of wire mesh

Also Published As

Publication number Publication date
FR870032A (fr) 1942-02-27
FR870028A (fr) 1942-02-27
DE865010C (de) 1953-01-29
CH219531A (de) 1942-02-15

Similar Documents

Publication Publication Date Title
US3541559A (en) Antenna for producing circular polarization over wide angles
KR100697942B1 (ko) 수직 중첩된 다수의 1차 안테나 모듈을 지닌 안테나 어레이
US11177565B2 (en) Simplified multi-band multi-beam base-station antenna architecture and its implementation
US3936835A (en) Directive disk feed system
US9306293B2 (en) Antenna and multi-beam antenna system comprising compact feeds and satellite telecommunication system comprising at least one such antenna
US3681770A (en) Isolating antenna elements
US2822541A (en) Lens antenna system
JP2014155226A (ja) 基地局通信システムに最適化されたアレイアンテナ
KR20200118253A (ko) 저주파수 발진기 및 다중 주파수 다중 포트 안테나 장치
US11233338B2 (en) Antenna assembly for a beamforming antenna and base station antenna
US3039097A (en) Frequency-sensitive rapid-scanning antenna
AU2014211633A1 (en) An antenna arrangement and a base station
US2354254A (en) Directional antenna with suppressed lobes or ears
CN105305100A (zh) 多频段共口径高效率天线阵
CN112133999A (zh) 基站天线
CN112467403A (zh) 一种适用于Sub 6G的双频共口径相控阵天线装置
CN209766628U (zh) 基站天线
US4207573A (en) Dual-frequency antenna system with common reflector illuminated by different feeds
CN109994840B (zh) 一种砖式排列的带状线馈电频率扫描天线阵列
US3611399A (en) Tilted element and tilted screen antenna
US2187618A (en) Radio beacon system
CN107946781A (zh) 一种具有三个自由度的可重构人工表面天线
Ponti et al. Tapered EBG superstrates for low-permittivity resonator antennas
US2269075A (en) Directive antenna system
US3460150A (en) Broadside log-periodic antenna