GB2333604B - Method for determining a three dimensional directivity of a primary wave source - Google Patents

Method for determining a three dimensional directivity of a primary wave source

Info

Publication number
GB2333604B
GB2333604B GB9906849A GB9906849A GB2333604B GB 2333604 B GB2333604 B GB 2333604B GB 9906849 A GB9906849 A GB 9906849A GB 9906849 A GB9906849 A GB 9906849A GB 2333604 B GB2333604 B GB 2333604B
Authority
GB
United Kingdom
Prior art keywords
determining
wave source
primary wave
dimensional directivity
directivity
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 - Fee Related
Application number
GB9906849A
Other versions
GB2333604A (en
GB9906849D0 (en
Inventor
Hitoshi Kitayoshi
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.)
Advantest Corp
Original Assignee
Advantest Corp
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
Priority claimed from JP3616697A external-priority patent/JPH10232253A/en
Priority claimed from JP3616597A external-priority patent/JPH10232252A/en
Priority claimed from JP3910797A external-priority patent/JPH10239364A/en
Application filed by Advantest Corp filed Critical Advantest Corp
Priority claimed from GB9803692A external-priority patent/GB2323674B/en
Publication of GB9906849D0 publication Critical patent/GB9906849D0/en
Publication of GB2333604A publication Critical patent/GB2333604A/en
Application granted granted Critical
Publication of GB2333604B publication Critical patent/GB2333604B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
GB9906849A 1997-02-20 1998-02-20 Method for determining a three dimensional directivity of a primary wave source Expired - Fee Related GB2333604B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3616697A JPH10232253A (en) 1997-02-20 1997-02-20 Method for estimating three-dimensional directivity of antenna
JP3616597A JPH10232252A (en) 1997-02-20 1997-02-20 Hologram observation method of three-dimensional wave source distribution
JP3910797A JPH10239364A (en) 1997-02-24 1997-02-24 Method for observing surge distribution and method for distributing surge distribution
GB9803692A GB2323674B (en) 1997-02-20 1998-02-20 Holographic method for estimating a three-dimensional wave source distribution and three-dimensional directivity of an antenna

Publications (3)

Publication Number Publication Date
GB9906849D0 GB9906849D0 (en) 1999-05-19
GB2333604A GB2333604A (en) 1999-07-28
GB2333604B true GB2333604B (en) 2000-02-23

Family

ID=27451753

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9906849A Expired - Fee Related GB2333604B (en) 1997-02-20 1998-02-20 Method for determining a three dimensional directivity of a primary wave source
GB9906847A Expired - Fee Related GB2333603B (en) 1997-02-20 1998-02-20 Method of observing a wave distribution

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9906847A Expired - Fee Related GB2333603B (en) 1997-02-20 1998-02-20 Method of observing a wave distribution

Country Status (1)

Country Link
GB (2) GB2333604B (en)

Also Published As

Publication number Publication date
GB2333604A (en) 1999-07-28
GB2333603A (en) 1999-07-28
GB9906849D0 (en) 1999-05-19
GB2333603B (en) 2000-05-17
GB9906847D0 (en) 1999-05-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040220