Some problems, such as the choice of frequency and distance between transducers, are discussed according to sonar equation, which should be considered in the design of Acoustic Correlation Log.
围绕声纳方程，论证了相关计程仪设计时应考虑的一些问题，如频率的选取，换能器间距等，从而为海底回波仿真的参数选择提供了理论依据。
Some problems, such as the choice of frequency, estimation of the distance and so on, are discussed according to sonar equation, which should be considered in designing an acoustic correlation log.
围绕声呐方程，论证了相关计程仪设计时应考虑的一些问题，如频率的选取，作用距离的估计等。
A computer-processed log that applies a statistical analysis of frequency crossplots to complex lithologies.
复杂岩性地层的计算机处理测井解释程序，程序采用了频率交会图的统计分析技术。
Log analysis includes straightforward statistics, such as page access frequency, as well as more sophisticated forms of analysis, such as finding the common traversal paths through a Web site.
日志数据的分析可以通过统计数据的形式，像统计经常被访问的页面集、统计经常需要分析的重要的表格数据、通过网站分析找出一般的访问路径模式等。
The properties of domestic high-frequency broadband sweeper, for instance, the dynamic range, logarithmic accuracy, flatness and log linear, still need to be improved.
目前国产高频宽带扫频仪的对数放大器性能还有待提高。
The properties of domestic high-frequency broadband sweeper, for instance, the dynamic range, logarithmic accuracy, flatness and log linear, still need to be improved.
目前国产高频宽带扫频仪的对数放大器性能还有待提高。
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