1) frequency equivalence method
频率等价法
1.
In this paper, for the non_iateger delay discrete systems in the first critial case, the stability is established by using frequency equivalence method set up by Liu Yonqing and Combining Rouch theorem.
本文采用了刘永清教授建立的频率等价法，结合复变函数中的路歇（Ｒｏｕｃｈé） 定理， 建立了在第一临界情形下非整数滞后离散系统的稳定性。
2.
The problem of stabilization of neutral type non-linear time-invarying discrete control systems with multi-group non-integer delays is studied this paper, by the frequency equivalence method and the comparison principles method.
应用频率等价法和比较原理，研究了具多组非整数滞后的中立型非线性定常离散控制系统的镇定问
3.
Using a frequency equivalence method and a comparison principle of neutral type linear discrete large scale systems with non integral delays presented by Liu Yongqing, we obtain that the stabilization of linear constant discrete control systems with non delays implies the stabilization of neutral type linear time invariant discrete control large scale systems with non integral delays.
本文应用刘永清建立的频率等价法与非整数中立型线性离散系统的比较原理［２］，给出了非整数滞后中立型线性定常离散控制大系统的镇定，可由无滞后的线性定常离散系统的镇定所蕴含。
2) frequency domain equivalence method
频率域等价法
3) equiva1ent energy and frequency function method
等效电量频率法
4) equivalent frequency
等效频率
5) Equal frequency surface
等频率面
6) equi-frequency contour
等频率线
1.
The unique refractive behavior of extraordinary light at the interface of uniaxial crystal is investigated by analyzing the equi-frequency contour in k space.
运用k空间的等频率线,分析研究了单轴晶体界面上e光独特的折射行为,指出在光轴与界面具有一定夹角的情况下,当入射角小于某临界角将会发生负折射的现象。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条