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- The velocity transient signals of particles in riser were obtained with a laser Doppler velometer. 由激光多普勒测速仪获得了提升管中颗粒速度的瞬时信号,分析了提升管中颗粒的微观运动特征。
- Such technique can be applied to the analysis of the nonstationary and transient signals. 该方法可以用于由具有台阶、陡峭表面和噪声等复杂表面形成的非平稳光栅信号的分析。
- A new approach to single phase to ground fault section location based on transient signals in a non-solidly earthed network is presented. 提出一种适用于配电系统架空线路的小电流接地故障区段定位新方法。
- Combined with analysis of fault signals, the paper applies EMD, Singular Value analysis, SVM and Shannon entropy to the extraction and analysis of transient signals. 结合对故障信号的分析,将EMD、奇异值分析、SVM、信息熵等应用到选相过程中暂态信号的提取和分析上。
- The RTSA's transient signal capabilities can provide analysis displays and performance insights that simply are not available on other analyzers. RTSA的瞬时信号测试功能可以提供其它分析仪上无法提供的分析显示和性能洞察力。
- The method of detection on transient signal by the slice of cyclo-bispectrum in stationary random noise is proposed in this paper, simulation results are presented also. 摘要提出一种在平稳随机噪声中检测暂态信号的循环双谱切片方法，同时给出仿真结果。
- A new approach using scalogram of wavelet transform for travelling wave transient signal detection, under noise free condition or noise condition separately, was described. 摘要介绍小波变换定义、性质和时间尺度分析，研究小波变换的尺度谱检测无噪声和有噪声条件下的行波暂态信号的能力。
- PRONY method can get the damping ratio of transient signals which can be used to predict and detect the early back corona failure efficiently, and this method makes up the deficiencies of ESP volt-ampere curve. 同样，PRONY方法抽取出的ESP瞬态信号的阻尼因子可以有效的区分出两种容易混淆的ESP故障一ESP反电晕故障和ESP极间距变小故障，弥补了原有的判断ESP极间距变小故障方法的不足，是诊断ESP极间距变小故障方法的发展;
- This paper discusses some common issues in the applications of transient signal analysis, such as transient signal detection, de noise, data compression and locating. The mother wavelet option method is studied. 讨论了电力系统中常见的暂态信号分析应用 ,如电力暂态信号检测、去噪与数据压缩以及暂态信号定位等 ,对这些应用中小波基的选择原则进行了系统的分析研究。
- After the SPG fault occurs, the transient signal includes plenty of fault characteristics. In latest years, the application of wavelets empowers us to be able to study the transient process. 而系统发生接地故障后，暂态信号中包含有丰富的故障特征，近年来发展起来的小波分析为我们研究暂态信号提供了条件。
- Dim target can be regarded as transient signal with unknown intensity and location, and it belongs to high frequency part of the image. By multi resolution wavelet transform for the image, dim target in the condition of low SNR could be detected. 将弱小目标看作是红外图像中灰度和位置均未知的暂态信号 ;通过对图像信号作多尺度的小波变换 ;可以在低信噪比条件下检测出弱小目标 .
- Transient signal analysis is the basis of fault detection and transient signal protection in electric power system. Wavelet transform provides a cogent math tool for transient signal analysis. 暂态信号分析是电力系统故障诊断和暂态保护的基础和依据,小波变换为暂态信号分析提供了强有力的数学工具。
- Based on the principle of modulus maximum, a new approach using scalogram of wavelet transform for transient signal, under noise free condition or noise condition separately, is described. 针对光滑瞬态信号的特点，研究了信号在高斯连续小波变换下具有的时频特性，提出了一种适用于检测光滑瞬态信号波至点的新方法，通过建立的检测函数能精确定位信号或含噪信号的波至点。
- LI Tian-yu,ZHAO Yan,LI Nan.Apply Emprical Mode Decompositim Based Hil bert Transform to Power System Transient signal Analysis[J].Automation of Electric Power Systems,2004,29(4):49-51. [9]李天云;赵妍;李楠.;基于EMD的Hilbert变换应用于暂态信号分析[J]
- underwater acoustic transient signals 水声瞬态信号
- The research on the detection of transient signal 瞬态信号检测方法的研究
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Her feeling of depression was transient. 她那抑郁的心情一会儿就过去了。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
