resonance ratio

The influence factors of partial resonance for ultrasonic honing system were studied by tests. In this paper we discussed the area ratio of cross section between flexible pole and oilstone seat, the length of oilstone seat and the partial resonance frequency under the best vibrating effect.

本文通过试验研究了超声珩磨局部共振的影响因素，给出了最佳振动效果下，挠性杆与油石座截面积比、邮石座长度以及局部共振频率的取值范围。

To improve beamforming under low signal-to-noise ratio, a method based on stochastic resonance ( SR) in a bistable model is investigated by using a frequency scale transformation method.

为了改善低信噪比下波束形成的性能，从双稳态随机共振模型出发，提出了利用频率尺度变换，将随机共振和波束形成结合起来的算法。

Electron temperature determination from intensity ratio of resonance and intercombination lines of helium-like ions

由类氦离子共振线与互组合线强度比确定等离子体电子温度

The relation between the threshold and the ratio of the lowest resonance frequency to the end vibrating frequency is also discussed in the report.

文中还讨论了阈值同共振腔最低阶共振频率与壁振动频率之比的关系。

The properties of gold nanoparticles were characterized by UV-vis spectroscopy, resonance light scattering spectroscopy ( RLS), transmission electron microscopy ( TEM) and electrophoresis technology. The effects of reactant concentration ratio for the preparation of gold nanoparticles were investigated.

采用紫外&可见光谱、共振散射光谱、透射电子显微镜以及电泳技术对制备的金纳米微粒进行了测定和表征，探讨了反应物浓度比对金纳米微粒制备的影响。