并结合管道瞬变模型法与负压波法建立多维判别法则，解决输油管道泄漏检测及漏点定位的问题。
By combining the transient change model method and rarefaction wave method, the multidimensional rules to detect the leakage and locate the leak point were set up.
研究基于小波变换有效提取信号瞬变特性的功能，对数字调制移相键控(PSK)信号进行符号速率估计。
Studies the function of wavelet transform (WT) that can effectively distill the transient characteristics of digital signals to estimate the symbol rate of PSK signals.
冷事件时定常波和瞬变波相互抵消的局地特征也依然存在，但瞬变波的影响有所增强。
During cold episode there is still some compensation of the stationary eddy heat transports by the transient eddy, while impacts of the transient eddy are somewhat enhanced.
本文利用两层斜压准地转模式，在低谱简化下，得到一个热力强迫波，瞬变波与纬向气流相互作用的非线性方程组。
Using a low order, two-layer baroclinic quasi-geostrophic model, a nonlinear system including the interaction between a thermal forced wave, a transient wave and zonal flow is studied.
信号处理的先进技术，如离散小波变换(DWT)和纠正多分辨傅立叶变换(MFT中)是适用于调查的振动和电流瞬变。
Advanced signal processing techniques such as discrete wavelet transform (DWT) and a corrected multiresolution Fourier transform (MFT) are applied to investigate the vibration and current transients.
瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。浪涌、谐波为主要的表现形式。
Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit. surge and harmonic wave are the main manifestation.
对比开阀和气压脉冲所形成的两种瞬变流形式的压力波传播速度、压力等参数，发现气压脉冲更能增加管道中水流的紊动程度，冲洗效果更好。
Barometric pulse could cause stronger disordery degree and better flushing effect by comparing the transfer rates of two pressure waves and pressures caused by valve opening and barometric pulse.
对比开阀和气压脉冲所形成的两种瞬变流形式的压力波传播速度、压力等参数，发现气压脉冲更能增加管道中水流的紊动程度，冲洗效果更好。
Barometric pulse could cause stronger disordery degree and better flushing effect by comparing the transfer rates of two pressure waves and pressures caused by valve opening and barometric pulse.
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