脈沖回聲儀 的英文怎麼說
中文拼音 [màichōnghuíshēngyí]
脈沖回聲儀
英文
pulse echo meter-
Method for assessing the overall performance characteristics of ultrasonic pulse echo testing instrument
評定超聲脈沖回波檢驗儀綜合性能特徵的試驗方法Method for assessing the electrical characteristics of ultrasonic testing instrument using pulse echo technique
採用脈沖回波技術評定超聲檢驗儀電氣特性的試驗方法Most present acoustic level gauges use a sound generator which can produce high - power acoustic waves and a microphone which can detect the echo signal. the fluid level can be worked out based on the artificial analysis of the echo curve
目前正在應用的井下液位測量儀器，主要是通過爆炸聲源產生大功率聲脈沖信號，利用微音器接收回波信號，人為地對回波信號曲線進行分析來估算液位。
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