| 摘要 |
An electromagnetic wave measuring apparatus includes a loop probe section having loop probes whose loop planes are placed so as to be perpendicular to each other, and each loop probe is placed so that its magnetic field detection space is not interfered with by other loop probes. If the loop probe section is placed at measurement position coordinates x<SUB>i</SUB>, y<SUB>j</SUB>, it detects a magnetic field component at the measurement position coordinates x<SUB>i</SUB>, y<SUB>j</SUB>, which is parallel to an XY plane, and a magnetic field component in a Z-axis direction at measurement position coordinates x<SUB>i</SUB>, y<SUB>j-1</SUB>, and repeats measurement by pitch p in a positive Y-axis direction. By calculating the root sum square of the detection results at each measurement position coordinate, a three-dimensional magnetic field level of an object to be measured can be obtained at each measurement position coordinate as electromagnetic field distribution with high-precision.
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