transient-flight data

A typical example concerned with the transient heat and mass transfer process in unsaturated porous media around a buried pipe is presented, which explains the defining of boundary conditions, property data and the method to obtain the initial temperature and wet saturation values.

以埋管周围砂土内的传热传质动态过程研究为例，给出了不同边界条件的描述，介绍了介质物性数据及初始温度、含湿饱和度等的确定方法。

Data collection and processing system of transient surface wave method and examples of its application

瞬态面波法的数据采集处理系统及其应用实例

The fields of parametric transient signal array in two cases of linear absorption ( absorption limiting) and nonlinear absorption ( saturation limiting) of the primary wave, are studied by numerical calculation and experimentation. The theoretical computational results are in fair agreement with experimental data.

对于原波的线性吸收（吸收限制）和非线性吸收（饱和限制）情况下的参量阵进行了理论计算与实验研究，取得了较满意的一致性。

Transient thermodynamic data acquisition and analysis system was introduced, the structure, working principles and software design showed in detail.

阐述了自主开发的内燃机瞬态数据采集分析系统的结构、工作原理、软件设计和内燃机工作过程和瞬态过程分析软件。

Data compressions for power consumption signal, voltage interruption signal and transient harmonic distortion signal are simulated and the compression results with different decomposition levels and threshold coefficients are compared. Results prove its feasibility and effectiveness.

对用电消耗信号、电压间断信号及暂态谐波失真信号进行了压缩仿真，并比较了这些信号在不同分解层次和门限限定系数取值时的压缩效果，结果验证了该方法的可行性和有效性。