harmonic index 中文意思是什麼
harmonic index
解釋
調和平均數指數-
The propagation and control of soliton in nonlinear kerr optical lattice with harmonic modulation of refractive index are investigated analytically and numerically in this paper. and some innovative research results have been worked out. the forming conditions of lattice soliton from gauss beam and the two modes of its stable propagation are obtained for the first time
本文利用解析和數值方法研究了在具有橫向折射率周期性調制的克爾型非線性光學格子中孤子的傳輸和控制，做出了一些創新性的研究結果:首次得出了高斯光束形成格子孤子的條件和兩種穩定傳輸形式。 -
According to iec ' s standards involved, voltage fluctuation and flicker become a index of power quality. but the research in those aspects such as harmonic frequency excursion and ect
然而，人們對于電能質量中諸如諧波、頻率偏移等方面的研究相對電壓波動和閃變來說要多得多，研究得也較成熟。 -
Areas covered in the review include bonding requirements, lightning protection requirements and harmonic current limits requirements. we are updating the reference list for international standards and adding an index page for quick reference
今次修訂的內容包括等電位接駁的要求、避雷系統的測試方法及諧波電流的限制，並更新國際標準的參考資料及新加索引等。
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