To provide an electric field intensity measuring device that concurrently measures the electric field intensity distributions of two different types of frequencies of an electric wave sent from a road side radio device.SOLUTION: An electric field intensity measuring device of the present invention includes: a measuring unit 15 for measuring a self position or a moving distance; a reception antenna 10 for receiving an electric wave with two frequencies; a measuring unit 12 having a first reception unit 25a and a second reception unit 25b for measuring the respective electric field intensities in synchronization with each other of a signal with two frequencies received at the reception antennas; and a processing unit 13 for recording, in chronological order, the electric field intensity measurement data of the two frequencies measured by the measuring unit and the measurement data of the position or the movement distance measured by the measuring unit in relation to each other.SELECTED DRAWING: Figure 2
【課題】路側無線装置から送信される電波の2種類の周波数の電界強度分布を同時に測定する電界強度測定装置を得ることを目的とする。【解決手段】自己位置または移動距離を計測する計測部15と、2つの周波数の電波を受信する受信アンテナ10と、受信アンテナの受信した2つの周波数の信号の電界強度をそれぞれ同期して計測する第1、第2の受信部25a,25bを有した測定部12と、測定部の計測した2つの周波数の電界強度計測データと計測部の計測した位置または移動距離の計測データを時系列に対応付けて記録する処理部13を備える。【選択図】図2
ELECTRIC FIELD INTENSITY MEASURING DEVICE
電界強度測定装置
2021-04-01
Patent
Electronic Resource
Japanese
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / G07B Fahrkartenausgeber , TICKET-ISSUING APPARATUS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H04B TRANSMISSION , Übertragung / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze |
ELECTRIC FIELD INTENSITY MEASURING DEVICE AND ELECTRIC FIELD INTENSITY MEASURING METHOD
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