This article describes the work- ing principle of the photo acoustic imaging device,basic model and the impact of decreasing factors in the process of well probing and applications in order to make people know more about the importance of this device.
文章描述了声成像测井仪器的工作原理,基本模型和测井过程中不同衰减因素的影响以及具体应用,使人们认识到声成像测井仪的重要性。
Since traditional kernel has its advantages and disadvantages,in our paper,we choose mixture kernel and moderate decreasing kernel which have better learning and generalization performance.
由于普通核函数都各有利弊,为了得到更好的学习和泛化能力,分别采用了混合核函数(mixture kernel)和适度衰减核函数(moderate decreasing kernel)。
according to demomstrion for the Earth\'s structure energy release,with the decreases of gravitational constant,It is proved that the radioactive decay of nuclides is the release of the Earth\'s structure energy.
通过引力常数减小而产生的地球结构能释放的论证,求证出核素放射性衰变是地球结构能的释放方式;论证及量化计算了地幔岩石化学结合能是对于地球结构能释放或核衰变能的吸收;证明了引力常数减小对宇宙宏观与原子核微观作用的内在一致性或宏观与微观的统一性;得出了原子核结构的稳定和非稳定性具有相对性的结论。
Study on attenuation of strong surface wave in wavelet domain;
小波域强面波衰减方法研究
Frequency spectral analysis for the ultrasonic attenuation of carbon fiber reinforced plastics;
碳纤维复合材料对超声衰减的频域分析
Anisotropy test instance of ultrasonic velocity and attenuation of coal sample;
煤样的超声速度和衰减各向异性测试实例
attenuation compensator
衰减均衡器衰减补偿器
attenuation box
衰减器箱,衰耗器箱
damped oscillation
阻尼摆动;阻尼振荡;衰减振荡;衰减振动;减幅振动
attenuator: a device that attenuates an electrical signal.
衰减器,减压器: 使电子讯号减弱的装置。
A device that attenuates an electrical signal.
衰减器,减压器使电子讯号减弱的装置
average logarithmic energy decrement
平均对数能量衰减率
metallized glass coaxial attenuator
涂金属玻璃同轴衰减器
rotary waveguide variable attenuator
旋转波导可变衰减器
intrinsic thermal neutron decay time
固有热中子衰减时间
iris-coupled cutoff attenuator
膜孔耦合截止衰减器
sound attenuation
消声器(噪声衰减装置)
free damping oscillation vibrometer
自由衰减振荡示振仪
deep bucking current attenuation
深侧向屏蔽电流的衰减
panel mount variable optical attenuator
面板安装可变光衰减器
Multigate Decay-Lithology Tool
多门衰减岩性测井仪
The motion of the particle is retrograde.
质点运动是衰减的。
microwave attenuation in clouds and precipitation
云和降水中的微波衰减
video attenuator switch
视频信号衰减器开关
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