分析了故障测距用行波信号对测量互感器的要求。
The requirements of fault location signals to measurement transformers are analyzed.
正确识别和检测线路故障后的行波信号是实现行波故障测距的关键。
Correct identification and detection of fault traveling wave essential to fault location.
正确识别和检测线路故障后的行波信号是实现行波保护和故障测距的关键。
The key point to realize protective relaying and the fault location based on travelling wave is how to correctly distinguish and detect the travelling wave signal.
小波变换作为新的数学分支，在这里用来提取电流行波信号中的故障信息，实现原理方案。
Wavelet transform was proved to be a suitable tool for the analysis of travelling waves and is utilized here to extract fault information from current travelling waves and implement protection scheme.
通过对信号奇异性的检测和对信号的消噪，提取出了被检测信号的模极大值，进而实现了行波信号的故障测距。
By detecting signal strangeness and reducing signal noise, the paper arrives at the maximum value of the detected signal, thus the fault location of the traveling wave signal is achieved.
为了用单片机实现对变化速度极快、变化过程极短的高速瞬态行波信号进行采样，研究了一种以DS80C32 0单片机为控制器。
In order to sample transient travelling wave, the design of a high-speed data acquisition system with the single-chip microcomputer DS80C320 is introduced.
大流行波可时断时续，持续数月，立即发出“平安”信号可能为时过早。
Pandemic waves can be separated by months and an immediate “at-ease” signal may be premature.
基于行波特征区分雷电冲击与短路故障有一定局限性，提出一种利用母线电压信号特征识别雷击与短路故障的新方法。
We proposed a new method to distinguish the lightning strikes and common short-circuit faults on the basis of the characteristic of the bus voltage signals using S-transform.
高频保护传统分析方法仅考虑高频信号在通道中的延时效应，没有分析电气量的行波延时效应。
The classic analysis of high-frequency (HF) protection only takes account of the channel delay effect of HF signal, neglects the delay effect of electric traveling wave.
计算结果表明，该网络并行算法能够有效地减少行波管多信号非线性注波互作用的计算时间，提高工作效率。
The calculating result indicates that the network parallel algorithm can save the computing time of the TWT multi-signal nonlinear beam-wave interaction and improve working efficiency.
通过对两种原始信号与利用相位信息进行重构得到的信号进行波形或频谱的比较，验证了这种多比特相位量化仿真模型的正确性。
The simulation model is validated through waveform or frequency spectrum comparisons of two original pulse signals and restructured signals utilizing phase information.
本文以罗埃大信号理论为基础，对提高小型化行波管效率的动态速度渐变技术和二次谐波的抑制问题进行了模拟计算分析。
The dynamic velocity taper and induced second harmonic are analyzed which improve the miniature TWT efficiency using computer simulation based on Rowe large signal theory.
分析结果表明：在多信号输入时，输出功率中确实有输入信号的互调制分量产生，同时可以发现，对于宽频带的行波管，互调制分量对主工作频率输出功率有比较大的影响。
The results show that: when two signals are inputted into TWT, the output power includes the intermodulation components, and the intermodulation components have important effect on broadband TWT.
本文列举了适用于谐振接地系统的各类新兴方法。如残流增量法、注入信号寻迹法、行波法、暂态法以及综合选线法。
This paper shows some new methods just like residual flow increment, signal tracking, traveling wave, transient state and complex selection.
流行波可能分开几个月然后立即以“at-ease”信号不按时发作。
Pandemic waves can be separated by months and an immediate "at-ease" signal may be premature.
通过将超声能量发射到对象内并对反射的信号进行波束形成而形成超声图像。
Ultrasound images are formed by transmitting ultrasound energy into the object and beamforming the reflected signals.
在无线蜂窝系统中，当采用下行波束赋形技术时，所有用户所接收到的信号必须满足给定的信噪干扰比。
When the downlink beam forming is applied in the wireless cellular network, the signals received by all mobile users must reach the provided signal to interference plus noise ratio.
本文讨论了耦合腔行波管大信号互作用的物理模型和计算方法。
The physical model and numerical method for CCTWT's large-signal interaction are given.
采用双速度测试和分析技术可以解决在既有基础下基桩的完整性、平均波速以及从实测信号中分离出上行波曲线。
Two-velocity analysis method can develop the pile integrity test, average wave speed and wave-up curve separated from measured signal under the condition of existed foundation.
采用双速度测试和分析技术可以解决在既有基础下基桩的完整性、平均波速以及从实测信号中分离出上行波曲线。
Two-velocity analysis method can develop the pile integrity test, average wave speed and wave-up curve separated from measured signal under the condition of existed foundation.
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