1.
Diffraction Effect of Low-frequency Liquid Surface Wave and Computer Simulation of Surface Wave Shape Detection;
液体低频表面波的衍射调制效应及其表面波面形模拟检测
2.
Study on the Two Pulses Propagating in Normal Dispersive Media and Nonlinear Acoustic-optical Effect at Low-frequency;
正常色散介质中双脉冲的传输问题及低频表面波的非线性声光效应
3.
31 Bit Low Frequency SAW Programmable Matched Filter
31位低频声表面波可程序匹配滤波器
4.
The Characters of Laser Diffraction Fringes from Liquid Surface Waves at Low-frequency and Measurement in Its Parameters by Means of Laser Diffraction;
低频液体表面波激光衍射条纹的特征及表面波物理参量的测量
5.
Optical Determination of a Surface Acoustic Wave Using Light Interference and Light Diffraction;
低频液体表面波激光的干涉和衍射研究
6.
The interference effect study of the small amplitude of the liquid surface wave at low frequency range
小振幅低频液体表面波的光学干涉效应的研究
7.
Measurement of the attenuation coefficient of surface acoustic wave by means of the light diffraction
衍射法测量低频液体表面波的衰减系数
8.
sound surface wave frequency-modulated oscillator
声表面波调频振荡器
9.
the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves.
电离层中的最底层，处于地球表面以上至英里的部分，反射低频无线电波。
10.
The application of frequency division technique in parameter measurement for SAW sensor
分频技术在声表面波传感器频率测量中的应用
11.
Design of the High Frequency and Passband SAWF for Communication;
通讯用高基频带通声表面波滤波器的设计
12.
Ground roll wave has characteristics of strong energy, low frequency and slow attenuation.
面波具有能量强、频率低、吸收衰减缓慢等特点。
13.
Comparison of three methods of calculating low frequency ground-wave propagation over irregular terrain
不规则地面低频地波传播预测方法的性能比较
14.
Design of AMR System with ELF Power Line Carrier Communications
极低频电力线载波自动抄表系统设计研究
15.
Research of Auto Meter Reading Based on Low Voltage Powerline Carrier Spread Spectrum Communication;
基于低压电力线扩频载波抄表技术的研究
16.
Analyzing frequency selective surface with plane wave approach and the method of moments
平面波展开结合矩量法分析频率选择表面
17.
Short wave lengths correspond with high frequencies, and long wave lengths to low frequencies.
短波波长和高频相对应，长波波长与低频相对应。
18.
Study on the Films with Low Surface Energy by Using Continous PCVD and Pulsed PCVD;
连续和脉冲射频PCVD制备低表面能薄膜的研究