公开(公告)号：US20190310299A1

公开(公告)日：2019-10-10

申请号：US16387449

申请日：2019-04-17

Applicant: Korea Research Institute of Standards and Science

Inventor： No Weon KANG ,  Jeongil PARK

IPC: G01R29/08

Abstract: A measurement system according to an embodiment of the present invention comprises: an analyzer; a first expansion module for transmitting a first electromagnetic wave signal to a first antenna under control of the analyzer; a second expansion module for receiving a second electromagnetic wave signal through a second antenna; a first signal generator for generating a first local oscillation signal under control of the analyzer, and detecting a reference characteristic of the first electromagnetic wave signal and a first test characteristic of the first antenna by using the first local oscillation signal; and a second signal generator for generating a second local oscillation signal under control of the analyzer, and detecting a second test characteristic of the second antenna by using the second local oscillation signal, wherein the first signal generator comprises a controller for converting instructions transmitted from the analyzer into internal instructions, and a local oscillation signal generator for generating the first local oscillation signal according to the internal instructions.