RADIO WAVE MEASUREMENT SYSTEM AND WIRELESS POWER TRANSMISSION DEVICE

When a radiation pattern of an antenna is measured in an environment where a radio wave is reflected, it is difficult to measure the radiation pattern with high accuracy due to an influence of multipath. A radio wave measurement system includes: an aerial moving body 3 to move or to hover above a measurement target antenna 30 for radiating a radio wave 2 in a sky direction; and a position measurer 18H to measure a time added position of the aerial moving body. The aerial moving body 3 includes a measurement antenna 14 to receive the radio wave 2 and a radio wave measurer 15 to measure time-added received radio wave data 73H including at least one of an amplitude and a phase of the radio wave 2 received by the measurement antenna 14. The aerial moving body 3 further includes a beam shape data generator 21 to generate radiated radio wave data 71 including the received radio wave data 73H and the radio wave source relative position data 78 representing measurement point data 74H that is a position of the aerial moving body 3 at a point of time when the received radio wave data 73H is measured as a relative position with respect to the measurement target antenna 30.