1.
Research and Design of Multi-Modulus Prescaler in RF Frequncy Synthesizer;
射频频率合成器中高速前置多模预分频器的研究与设计
2.
radio frequency emission testing
无线电频率放射测试
3.
underwater emission-and direction frequencies
水下发射和定向频率
4.
frequency tolerance of radio transmitter
无线电发射机频率容限
5.
hydrogen maser frequency standard
氢激射型原子频率标准
6.
cesium atomic beam frequency standard
铯原子射束的频率标准
7.
image frequency
像频;镜频;镜频;镜像频率;镜像频率;帧频
8.
RF Oscillator and Mixer Operating on Transistor Characteristic Frequency;
三极管特征频率下射频振荡器和混频器
9.
Analysis and Application Design of RF PLL Frequency Synthesizer;
射频锁相环频率合成器的分析与设计
10.
Design of Frequency Synthesizer in Ultra Wide-Band Radio Frequency Integrated Circuits
超宽带射频芯片中的频率综合器设计
11.
video frequency/IF/RF pre-correction
视频、中频、射频预校正
12.
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。
13.
An Improved Formula for Calculating Radiation Efficiency of Plate Around the Cut-off Frequency
平板截止频率附近辐射效率修正算法
14.
Research and Design of CMOS Multi-band RF Power Amplifier;
射频CMOS多频段功率放大器的研究与设计
15.
center frequency
中心频率未调制频率
16.
frequency theory of hearing
听觉频率论 听觉频率论
17.
free-radiation frequency for I.S.M.apparatus
工业、科学、医疗设备的自由辐射频率
18.
There will be no amplification of radiation at the frequency ??
在频率?舜Φ姆?射将不会有任何增强。