Abstract: This paper presents a novel ultrasonic phased array scanning method for the internal of gas pipelines. The proposed method achieves a complete scanning of the pipeline interior by ...

GPS antennas are found in a myriad of applications in various industries such as tracking, location identification, surveying etc. These antennas are used to connect to GPS satellites and acquire GPS ...

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Abstract: In underwater localization scenarios, especially for the ultra short baseline (USBL) system, array calibration is essential. The localization performance may decrease rapidly when the array ...