| 1. | Absolute harmonic measure zero 绝对调和测度零 |
| 2. | The researching intention of this paper is to establish a high precise and real time harmonics measuring system 本论文研究的方向是建立一个高精度实时谐波测量系统。 |
| 3. | On site harmonic measuring work provides not only original first - hand material but also the basis for harmonic treatment 摘要现场谐波监测工作不仅提供了原始的第一手资料,还为谐波治理提供依据。 |
| 4. | As a real time harmonics measuring device , it is important that it can real time measure various harmonics accurately 作为一种实时的谐波测量系统要求既能精确的测量各次谐波,又具有较高的实时性。 |
| 5. | In order to supervise the system status and restrain harmonic disturbance , accurate harmonic measure has become a pivotal problem 为了监测系统状态、抑制谐波干扰,对其进行准确测量成为一个关键性的问题。 |
| 6. | 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。 |
| 7. | Therefore , using the ar model and the prony model to measure the inter - harmonics , an inter - harmonics measuring algorithm which is based on advanced spectral estimation is presented 然后,文章提出了一种基于现代谱估计的间谐波检测算法,算法应用ar模型和扩充prony模型进行间谐波检测。 |
| 8. | This paper analyses the harm of power system harmonics . it also points out the significance of harmonics measuring and the developing condition of harmonics measuring device , and points out the significance of the research of this paper 论文分析了电力系统谐波产生的原因及其危害,指出谐波测量的重要意义及谐波测量装置的发展状况,说明本论文研究的重要意义。 |
| 9. | Moreover a example makes know , it can calculate lesser even harmonics exactly . especially it is more obvious to improve the pricision for calculating their phases . the paper designs a data gather circuit aimed at the require of power system harmonic measure 文中给出了计算实例,实例表明该算法具有很高的计算精度,即使对于幅值较小的偶次谐波也能准确地求出其各项参数,尤其是对于提高相位计算的精度更为明显。 |
| 10. | The studying results show that the advanced spectral estimation is more predominant than dft algorithm and its corrected algorithms in the field of inter - harmonics measuring , especially for the inter - harmonics which is too close to harmonics . hence , it is effective and feasible to introduce the advanced spectral estimation into inter - harmonics measuring 上述研究证明,在间谐波检测领域,特别是对离谐波频率较近的间谐波检测中,现代谱估计理论有着许多dft算法及其校正算法不可比拟的优势,将其引入电力系统间谐波检测中是有效可行的。 |