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- The frequency spectrum energy of time - frequency surface of Short - time Fourier Transform, especially peak value has distinct difference to different swept extent. 油层水淹程度不同,短时博里叶变换时频面上频谱能量,尤其峰值能量大小存在显著差异。
- It extracts the busbar transient voltage signal using the multi-resolution morphological gradient of the mathematic morphological , the differential spectrum energy of voltage can b. 利用数学形态学的多分辨形态学梯度提取故障相母线电压信号的暂态分量,通过比较故障相母线电压谱能量的差异来判别瞬时性与永久性故障。
- According to characteristics of EHV transmission line fault transient current,a fault can be identified as internal or external one based on the spectrum energies in many frequency bands. 介绍了高压输电线路及母线对高频暂态电流衰减的特点,通过利用多个频带内暂态信号的谱能量来实现区内外故障的准确识别。
- A Novel Busbar Protection Based on Transient Current Spectrum Energy 基于暂态电流谱能量的母线保护新原理
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- It is important to conserve energy. 节省能源十分重要。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- Nuclear energy remains a double-headed creature. 核能依然是一种有利也有弊的能原。
- As a matter of fact, light is a form of energy. 其实，光是能的一种形式。
- The move water have mechanical energy. 流动的水拥有机械能。
- Who discovered the conservation of energy? 谁发现了能量守恒？
- The sun is the ultimate source of energy. 太阳是能量的最基本来源。
- There's a wide spectrum of opinions on this problem. 对这个问题的说法众说纷纭，莫衷一是。
- In the spectrum, distinct colours shade into each other. 在光谱中，截然不同的颜色相互融合起来。
