1.
Preliminary Study and Application on the Tremors with Lower Frequency Recorded by Seismograph Before the Wenchuan Earthquake
汶川地震前地脉动低频波动现象及其应用的初步研究
2.
FEATURES AND DRIVING MECHANISM OF MID-LOW LF WAVE IN SUMMER
夏季中低纬低频波的活动特征和驱动机制
3.
It's fluctuating in systematic intervals along the ultra-low frequency.
它随着超低频产生有系统间隔的波动
4.
Waveform Fusion and Background Normalization for Low Frequency Active Sonar;
低频主动声纳波形融合与背景归一化
5.
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
6.
Seismic Wave by Low Frequency Point Sound Source in Liquid-solid Layered Hemisphere
液固半无限空间低频点声源的地震波动
7.
A Study on Carrier Tracking FLL for Extremely-low-CNR Highly-dynamic Signals
极低载噪比高动态信号的载波跟踪锁频环研究
8.
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。
9.
Comparison Study of Low-Frequency PWM Control Methods for 2-Phase Traveling Wave Ultrasonic Motors
两相行波超声波电动机低频PWM控制策略比较研究
10.
Boussinesq Modeling of the Surf Beat in the Nearshore Zone;
近岸低频波浪的Boussinesq模拟
11.
Generating or using waves or vibrations with frequencies below that of audible sound.
次声的产生或使用频率低于人耳能听见的声音的波或振动的
12.
31 Bit Low Frequency SAW Programmable Matched Filter
31位低频声表面波可程序匹配滤波器
13.
Using GPR to Measure Soil Moisture Content
利用低频微波波段GPR测量土壤含水量
14.
under frequency load shedding
低频率自动负载减少
15.
automatic video noise limiter
自动视频杂波限制器
16.
An X band Low Phase Noise Wideband Frequency Synthesizer
X波段宽带低相位噪声混频锁相频率源
17.
Blind watermarking algorithm of color video based on lowest fre-quency domain of 3D wavelet
基于三维小波低频域的彩色视频盲水印算法
18.
The lower the frequency is, the greater the refraction of a cave will be .
频率越低，波的折射率越强。