The relative attenuation coefficient and relative phase velocity are investigated for the microstructures with different content of pearlite,ferrite and upper bainite.
采用超声水浸线聚焦技术和频谱分析方法,研究了控轧控冷工艺生产的非调质D级抽油杆用钢30Mn2SiV复杂混合组织状态的超声无损表征方法,确定了不同质量分数的珠光体、铁素体及上贝氏体混合组织的相对衰减系数和相对相速度。
pair attenuation coefficient
正负电子对衰减系数
pair production attenuation coefficient
电子对生成衰减系数
Some Reasonable Converted Formulas of The Often-used One of Coaxial Cable's Attenuation Quotient in Engineering Designs
对同轴电缆衰减系数工程上常用公式的改进
Linear Dispersion Relation for Electron-positron Plasma in Relativistic Regime
相对论正负电子对等离子体色散关系
Analysis on an exponential attenuation factor in the modified Friedlander equation by overpressure tests
修正的Friedlander方程指数衰减因子
calibrating set for resistance attenuator
电阻衰减器校正装置
Research on a piecewise mathematical model with decay factor for battery
一个带衰减因子的电池分段数学模型研究
It doesn't matter whether we add a negative number or subtract a positive one .
我们加负数还是减正数，这并没有什么关系。
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
Power Attenuation of Plasma Antenna Excited by Surface Wave
表面波等离子体天线的能量衰减系数研究
Of an electronic circuit or device ; having an output proportional to input ; amplifying or attenuating all frequencies equally.
说明一种电子电路或器件,其输出和输入成比例,对所有的频率都放大或衰减同样的倍数。
average logarithmic energy decrement
平均对数能量衰减率
Linear dispersion relation for longitudinal modes of two temperature electron-positron plasma in relativistic regime
相对论正负电子对双温等离子体中纵波线性色散关系
Investigation into the Influence of Time Delay of Indoor Fan on the Degradation Coefficient(C_d) of Air Conditioner
室内风机延时对空调衰减系数C_d影响的研究
The effect of passive decay rate constant? gain coefficient and space surround constant were analyzed.
分析衰减常数、益系数和空间常数对图像增强处理的影响。
Calculation and Analysis of the Interference Characteristics by Rocket Wake Flame Electromagnetic Parameters
火箭尾焰电磁特性参数对电磁波衰减特性影响研究
Revise for fourier transform of exponential decay signal
指数衰减信号的Fourier变换修正