本文研究用频率法测量裂纹长度。
In this paper the method of resonant frequency is used to measure the length of crack propagation.
应用测频率法，符合矿车运行实际情况。
It accords with the fact of tramcars' running to use the method of frequency measurement.
钙和其它营养素摄入量用食物频率法评价。
Calcium and other nutrients intakes we re assessed by a food-frequency method.
频率法的关键是在于准确地识别出索的基频。
The key of the technique is accuracy of identified fundamental frequency of each stay cable.
介绍了EIS数据处理的快速方法——特殊频率法。
An EIS data analysis method-Break Point Frequency method was also introduced.
设计洪水计算方法主要是可能最大降雨和水文频率法。
The main methods for calculating designed flood are probable maximum precipitation and hydrologic frequency analysis.
给出了一个以扩充频率法为基础的数字串级系统参数整定的计算机算法。
In this paper, a digital cascade system setting parameters computer algorithm based on the enlarge frequency method is given.
用频率法对一个自动控制系统进行动态校正是工程中最常用的方法之一。
A widely used method for the dynamic adjustment of automatic control systems is the frequency method.
分析了检测信号的特征，并采用截止频率法成功地提取了微弱的缺陷回波信号。
The characteristics of the test signals were analyzed and weak defect echo signals were successfully extracted by cut-off frequency technique.
分析、比较了测频率法、测周期法、等精度测频法等几种常用测频方法的原理及误差。
The differences of principle and precision between frequency measurement method, cycle measure method, and equivalent precision frequency measurement method are compared.
其根本差别只在于保证率频率法是人为地确定频率，而综合历时曲线法本身固有一个频率。
The substantial difference lies in that guaranteed rate frequency method determines the rate artificially, but synthetic duration curve method has its intrinsic frequency.
本文比较详细地介绍了基于模态理论的无损探伤方法，即频率法、能量法、柔度矩阵法等。
In the paper, some non-destructive methods based on mode theory such as frequency method, energy method and matrix method are introduced.
该研究表明，可采用组合频率法推求的潮位与波浪组合设计值作为制定海堤设计高程的依据。
The research shows that the design value combines tidal level and wave by composite frequency method is considered to be the reference for design levee elevation.
结合现场测试工作，对频率法测量索力的理论与技术应用于张弦式桁架索力的测试进行了探讨。
Based on the measurement, the problem of the cable force survey on the truss-string structure is explored by using the theory and technology of measuring frequency.
本文在利用温度频率法分析建筑冷热负荷的基础上给出了确定垂直U型埋管地下换热器长度的方法。
This paper provides a method to determine the length of vertical U-tube exchanger based on BIN method calculating building load.
索力是斜拉桥设计和施工的重要依据，根据测得的固有频率估算索力的频率法在桥梁工程中广泛应用。
Cable force is important in cable-stayed bridge 's design and construction. The method of measuring frequency of its own to estimate cable force is widely used in bridge engineering.
基于信息扩散理论提出直接估计低温冷害、干旱和洪涝的风险评估方法，以低温冷害为例，将计算结果与风险指数法和主观频率法做比较。
This research raised the method in risk assessment of low temperature and cold damage, drought and flood disaster based on information diffusion theory.
用一个很简单的数学式，可以表示为：存活率与冲突频率间呈现平实的曲线关系，这被认为是法的力量。
But that obvious observation conceals a precise mathematical description: the link between the severity and frequency of conflicts follows a smooth curve, known as a power law.
这一方法还有一个优点：放入接受器可以准确控制心脏跳动频率。
This method also has the advantage that the placement of the receiver allows the pacing of the heart to be very precisely controlled, says Dr Echt.
时-频联合信号分析法能描述非稳态信号的频率如何随时间而变化，故它能使我们更好地理解信号的本质。
Joint time Frequency Analysis (JTFA) describes and determines how the frequencies of non stationary signals change over time. It offers a better understanding of nature of the signal.
最后还讨论了时域法测量电极阻抗的激励信号的选择、测量频率上、下极限和噪声影响等问题。
The problems about the selection of excitation signal, limits of measurement frequency and noise influence have been discussed.
上面讲到的使用输入法来实现快捷输入只能针对偶尔出现，频率并不高的聊天或信息输入时使用。
When it comes to the use of the above input method to implement quick input can only occasionally, high frequency is not the chat or the use of information input.
常规散射特性计算方法如矩量法中的广义阻抗矩阵在谐振频率点上条件数过大，导致计算不准确。
The regular numerical algorithm is MOM, whose general impedance matrix has a large condition number at the resonance frequency points, which brings an inaccurate result.
根据动力学计算理论，提出一种新的方法来修正跳车法实测频率，以获取较准确的自振频率。
According to dynamics computation theory, this article proposed one new method revises jumps off the law actual frequency, gains the accurate base frequency.
用数学归纳法得到了简单的迭代关系式用以计算多个完全透射峰的频率。
A simple recursion relation is derived by means of the mathematical induction to calculate the frequencies of the complete transmission peaks.
目的：提出基因频率矩阵的图论主坐标分析方法，探讨该法在人类群体遗传结构研究中的应用。
Objective: To present the methodology of graph theory principle coordinates analysis and explore its applicability for studying human population genetic structure.
本方法对目标回波信号采用了相干视频模拟法，在视频上模拟目标回波的多普勒频率。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
流体密度的检测是采用自激振荡原理和频率跟踪法得到的。
Fluid density is measured by self push resonant principle and frequency tracking method.
流体密度的检测是采用自激振荡原理和频率跟踪法得到的。
Fluid density is measured by self push resonant principle and frequency tracking method.
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