Relationship between the evaluation parameters of sonic amplitude log and the evaluation p...
讨论了声幅测井与CBL方法评价指标的关系。
Relationship between the evaluation parameters of sonic amplitude log and the evaluation parameters of CBL is discussed.
讨论了声幅测井与CBL方法评价指标的关系。
The method to evaluate cement job quality only based on the casing amplitude log is only suitable to the typical cement bond conditions and the ideal conditions for cement bond logging.
仅根据套管波幅度曲线评价固井质量的方法只适合于典型的水泥胶结状况和理想的固井质量测井条件。
The test results show that the predicting fatigue life under variable amplitude loading follow the log normal distribution and agree well with simulation test results.
结果表明，变幅载荷下疲劳寿命的预测结果和模拟结果均服从对数正态分布，且两者符合很好。
A log that USES the variations in amplitude of an acoustic signal traveling down the casing wall between a transmitter and receiver to determine the quality of cement bond on the exterior casing wall.
使声波信号沿着发射器和接收器之间的套管井壁传播时的幅度衰减确定套管外水泥胶结质量的声波测井方法。
The radially averaged log amplitude spectrum of potential field can be modeled by lines with different slopes, which are the depths of the corresponding equivalent source layers.
位场信号的径向平均对数振幅谱可以由多条斜率不同的直线段拟合，直线的斜率即为相应的等效层的深度。
We introduce an optimally-modified log spectral amplitude estimator, which minimizes the mean-square error of the log spectra for speech signals under signal presence uncertainty.
引入了最佳修正短时对数谱估计，能在信号存在的不确定性下最小化语音信号对数谱的均方误差。
According to the Markov approximation under a long haul condition, we get the inter-correlation function, log-amplitude and phase covariance function.
通过长程情况下的马尔科夫近似，得到了互相关函数，对数振幅和相位协方差函数。
According to the Markov approximation under a long haul condition, we get the inter-correlation function, log-amplitude and phase covariance function.
通过长程情况下的马尔科夫近似，得到了互相关函数，对数振幅和相位协方差函数。
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