1.
Design of an intermediate-power and lower-frequency supply
基于DDS的中功率低频信号源的设计
2.
Design of High Power and Ultra-low Frequency Signal Source in Cased Hole Resitivity Logging
过套管电阻率测井大功率超低频信号源设计研究
3.
And it can generator all kinds of basic signals and chirp signal. It has so many functions including display of the signal frequency and the peak value.
该低频虚拟信号源可以产生各种基本信号,扫频信号,具有频率与峰峰值显示等功能。
4.
Research on the Wideband & Low Spurs Remote Sensing Satellites Simulator Frequency Synthesizer
宽带低噪遥感卫星模拟信号频综源技术研究
5.
photoaudio generator
低频光电信号发生器
6.
high precision LF signal generator
高精度低频信号发生器
7.
ringdown signaling
低频监察信号 -用低频电流传送监察信号
8.
Talking about the Digitalization of Video and Audio Signals and Source Encoding
视频及音频信号的数字化与信源编码
9.
Instantaneous frequency estimation of frequency modulation signals in low signal noise ratio
低信噪比情况下调频信号的瞬时频率估计
10.
General purpose specification of low frequency signal generators
GB/T12181-1990低频信号发生器通用技术条件
11.
Digital Signal Generator of Low Frequency with Phase Shift
低频数字式移相信号发生器的设计
12.
Test methods for general purpose low frequency signal generators
GB/T12180-1990低频信号发生器通用测试方法
13.
CTCSS does not alleviate RF interference.
CTCSS并不会降低无线电射频信号的干涉。
14.
A Design of CMOS Amplifier used in low frequency small signal testing;
基于低频小信号检测的 CMOS 放大器设计
15.
Zero-error Low Frequency Three-phase Phase Shift Signal Generator
零误差低频程控三相相移信号发生器
16.
Medium and low frequency underwater acoustic signals detecting with laser interferometry
中低频水下声信号的激光干涉法探测
17.
APPLICATION OF ZOOM FFT TECHNIQUE TO DETECTING EM SIGNAL OF SLF/ELF
频率细化技术在超低频/极低频电磁信号检测中的应用
18.
The lower the tone frequency the less audible it tends to be.
当然，这些音频信号的频率越低，越难被听到。