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- Therefore, an algorithm of PD signal reconstruction based on modulus maximum wavelet domain is presented in this paper. 为此,该文提出一种基于模极大值小波域的局部放电信号重构算法。
- Based on the wavelet decomposition of PD signal and white noise, a new method of transformer PD de-noising using the best wavelet for every layer is proposed. 在对局部放电信号和白噪的小波分解特性进行分析的基础上，以减小去噪对局部放电脉冲幅度误差和波形畸变为目标，提出了逐层最优小波算法。
- The relationship between the different class PD and polarity of PD signal is discussed in this paper, the algorithm using Wavelet Packets (WP) to distinguish the polarity of PD signal is given. 文中介绍了局放信号极性与放电类型之间的关系，提出了用小波包算法提取信号极性的方法。
- It is one of the necessary steps for the classification of PD signals to select the felicitous feature parameters. 恰当地选择特征参数是对局部放电进行分类的关键环节。
- The results of simulation show that AGR is an effective solution.The AGR will be widely used in detecting PD signals of power system. 大量的仿真结果表明自适应高斯基表示是一个有效的局部放电检测方法，它将在电力系统局部放电信号检测中得到广泛的应用。
- Experimental results show, the selected center frequency should be in the frequency range that the UHF component of PD signals is rich and the noise is not very strong, the bandwidth of the filters should be as wide as possible unless the noise goes high. 实验结果表明,检测频率应选择局部放电特高频分量丰富且噪声小的频带,滤波器的带宽应在不引入干扰的前提下尽量选用较宽的带宽。
- MULTI-RESOLUTION ANALYSIS APPLIED TO IDENTIFYING UHF PD SIGNAL IN TRANSFORMER 基于多分辨分析的变压器UHF局放信号的识别
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- Wavelet Packet Decomposition Based on Entropy Threshold for White-noise Rejection in PD Signal 基于门限值小波包变换抑制局部放电白噪干扰
- TYPICAL PULSE SHAPE AND FREQUENCY CHARACTERISTIC OF THE PD SIGNAL IN OIL-PAPER INSULATION 油纸绝缘中局部放电的典型波形及其频谱特性
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- The driver is winking his lights to signal a turn. 驾驶员打着一闪一闪的灯光信号表示要转弯。
- Everyone uncovered when the signal sounded. 信号响时，人人脱帽致敬。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
