1) difference-frequency coupling
差频耦合
1.
Based on the nonlinear electromagnetic theory,general coupled-mode equations for difference-frequency coupling in nonlinear left-handed metamaterials(LHM) are studied.
基于非线性电磁理论,推导了无耗非线性左手材料中差频耦合波方程,由此方程分析了相位匹配条件下信号波与差频波的反向能量转换过程及其空间分布。
2) radio-frequency coupling
射频耦合
1.
In this paper,we introduce the structure,the principle,the main technical features and clinical application of a microcomputer-based stimulative instrument,that transfers the electric signals to the electrodes on the pontine of persistent vegetative state patients by radio-frequency coupling or direct coupling to stimulate the reticule-system in pontine and to waken the patient.
该仪器运用微电脑控制的促醒仪产生电刺激信号 ,通过射频耦合方式 (或直接耦合方式)传递到植物生存状态患者脑干网状结构刺激电极 ,激活网状激动系统 ,促使Pcr sistentVegtativeState,PVS患者康复 ,取得了较好的效
3) frequency coupling
频率耦合
1.
Using FFT (fast Fourier transfer) to study the frequency coupling effect, we get the results about coupling effects of the frequency of vorticity naturally shedding and the frequency of circular cylinder rotationally oscillating at low Reynold number.
进而说明了在不同频率耦合区域流场涡形成、发展和脱落的规
4) sum frequency coupling
和频耦合
5) audio coupling
音频耦合
6) Coupling frequency response
耦合频响
补充资料：差差
1.犹参差。不齐貌。
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