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- Bill defined Concrete Art as "the pure expression of harmonic measurement and law". 比尔将“具体艺术”定义为“和谐测量与法则的纯粹表达”。
- It talks about harmonic measurement algorithm, accuracy improve methods, robustness of the RTU(Remote Terminal Unit) and data security of the RTU. 本文就谐波计算的算法,谐波计算精确性的提高,RTU(Remote Terminal Unit远程终端设备)程序的可靠性、RTU数据的安全性等问题进行了详细研究。
- A way of harmonic measurement based on Rogowski coil in HVDC system is introduced in this paper, the corresponding circuit is designed. 针对HVDC(直流高压)系统直流侧电网里的谐波,提出了基于罗氏线圈的测量方法,并设计了相应的电路。
- For the damage of electric network higher harmonic,analyze the cause of higher harmonic measures and propose control higher harmonic measures. 针对电网高次谐波的危害,分析了高次谐波发生的原因,提出了对高次谐波的抑制措施。
- Some inevitable problems, encountered during harmonic measuring for a long time, were summed up, and a personal view at this point was brought forward. 对长期从事谐波监测中遇到的一些不可回避的问题进行了归纳,并就此提出了个人的观点。
- In this paper,the double-speed synchronous sampling method is introduce d to the power system harmonic measurement, and the corresponding algorithm mode l of DFT is deduced. 将双速率同步采样法用于电力系统谐波测量,导出相应的DFT计算模型。
- Spectral leakage caused by synchronous error in no-synchronous sampling is an important reason, which reduces the accuracy of spectral analysis and harmonic measurement. 采样不同步产生的同步误差是造成频谱泄漏和影响谐波分析准确性、检测精度的重要原因。
- S.L. Lu, C.E. Lin, and C.L. Huang, "Power frequency harmonic measurement using integer periodic extension method," Electric Power Systems Research, vol. 44, 1998, pp. 107-115. 叶迺昆,电力谐波频谱分析之改善,国立中山大学电机工程学系硕士论文,民国八十七年六月。
- Abstract: In this paper,the double-speed synchronous sampling method is introduce d to the power system harmonic measurement, and the corresponding algorithm mode l of DFT is deduced. 文摘:将双速率同步采样法用于电力系统谐波测量,导出相应的DFT计算模型。
- The tailor took my measurements for a new suit. 裁缝给我量做新西装的尺寸。
- Also the effect of the reading errors and the angular misalignments of the probes on the accuracy for roundness and all the harmonics measurements has been analyzed in detail by computer simulation. 从三点法的原理出发对测量过程进行误差分析,导出了圆度测量误差方程,并通过计算机仿真详细研究了测头的读数及角位置误差对圆度测量精度的影响。
- The measurements of the room are 10 by 15 feet. 这个房间的面积为10×15英尺。
- The harmonic combination of these tones. 四度和音音调的和谐组合
- Based on the neural network of orthogonal trigonometric series, an approach for harmonics measurement in power systems is presented in this paper. 摘要根据电力系统中非正弦周期电流的分解形式,提出了一种基于正交三角级数神经网络的谐波检测方法。
- The airport authorities have promised to review their security measurements. 机场当局已答应重新检查他们的安全措施。
- Aiming at the existing problem in harmonics measurement of power system,the paper(presented) a collecting method based on frequency multiplication phase-locked. 针对电力系统谐波测量方法存在的问题,提出了一种基于锁相倍频采集方法。
- The theories and measurements fitted together neatly. 理论与测出的数据恰好相符。
- The measurements of the room are 20 feet by 15 feet. 这房间的面积是20英尺乘15英尺。
- A tone in the harmonic series of overtones produced by a fundamental tone. 泛音指由一种基本的声音所产生的一系列和谐的泛音中的声音
- Harmonic measure and analysis of Guangzhou Metro line 1 广州地铁1号线谐波测量及分析