| 摘要 |
An object shape distribution of an antenna intergral-type communication device to be observed with a sensor for measuring a three-dimensional shape is measured and recorded, and a scanning distribution of an interference complex data between a detected signal with a scanning probe antenna measuring a two-dimensional distribution of an electromagnetic wave and a detected signal with a fixed probe antenna, a relative position of which does not change against a measured object, as a two-dimensional electric field distribution or a two-dimensional magnetic field distribution is measured and recorded, based on movement with a predetermined step as a minimum movement unit. The object shape distribution and the two-dimensional electric field distribution or the two-dimensional magnetic field distribution are displayed in a superimposed state on a screen. A line area and a plane area of the antenna integral-type communication device are specified for the display screen. A complex current distribution of the specified line area and plane area is derived from the object shape distribution and the two-dimensional electric field distribution or the two-dimensional magnetic field distribution. Directivity is derived from the object shape distribution and the complex current distribution of the line area or the plane area. The derived directivity is displayed.
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