1)  sound radiation
声幅射
2)  sonic amplitude
声幅
1.
The sonic time and sonic amplitude of the ultrasonic wave and the multi - parameter synthetic analysis analysis method of PSD criterion to examine the quality of pile body, overcomes the defects of the single parameter method which enables erroneous result.
采用超声波的声时、声幅以及PSD判据多参数综合分析法,判断基桩的桩身质量,克服了单一参数易造成误判的缺点,提高了桩身质量评价的准确性。
3)  acoustic amplitude log
声幅测井
1.
There are quite a few factors affecting acoustic amplitude log in CBM well cementing,such as larger change of strata hardness,uneven casing inside diameter or thickness,instrument out of alignment,insufficient transmitting energy and insufficient receiving sensitiveness etc.
影响煤层气固井声幅测井的因素较多,如地层软硬变化大、套管内径或壁厚不均、仪器不居中、发射能量不足、接收灵敏度不够等,这些因素的存在将会导致首波丢失、时差曲线产生周波跳跃或波动现象。
4)  Acoustic amplitude logging
声幅测井
5)  acoustic amplitude compensation
声幅补偿
6)  Broadband ultrasound attenuation
声幅衰减
参考词条
补充资料:射声
1.汉代武官。射声校尉的简称。汉武帝初置八校尉之一。 2.比喻射技精良。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。