VHF and UHF direction finder
甚高频与超高频测向器
high and very high frequency direction finding
高频和甚高频测向仪
ionospheric HF oblique sounding
电离层高频斜向探测
very high frequency receiver testing generator
甚高频接收测试发生器
high-frequency displacement detection amplifier
高频位移检测放大器
high frequency ionization chromatographic detector
高频电离色谱检测器
DESIGN OF ARC TRANSDUCER ARRAY WITH HEART-SHAPED DIRECTIVITY
高频心形指向性圆弧换能器阵的研制
Three-phase Bi-directional Voltage-source High Frequency Link Inverter;
三相双向电压型高频链逆变器的研究
Accurate measurement of frequency response of high-speed optical intensity modulator using frequency sweeping method
扫频法精确测量高速光调制器频率响应
VHF omni range distance measuring equipment
甚高频全向信标测距设备
Measuring methods for high frequency signal generators
GB/T12115-1989高频信号发生器测试方法
Influences of center frequency and bandwidth on UHF PD detection for transformers
变压器局放特高频检测中检测频率和带宽的影响
Study on the Combined Measuring Method of HF and UHF Used for Monitoring PD of Transformer;
变压器局部放电高频和特高频联合监测法的研究
A Compound Flyback Bi-Directional Current Source High-Frequency Link DC/AC Converter;
双组合式单端反激双向电流源高频链逆变器
Low Power Unidirectional Voltage Source High-frequency Link Inverter;
小功率单向电压型高频链逆变器的研究
Design of an L-band Miniaturized High-performance Bi-directional Coupler
L频段小型化高性能双定向耦合器设计
Soft Starter to Triphase Asynchronous Motor with High Frequency AC-ovonics-based Power Converter
双向开关高频变换型三相异步电机软起动器
Design of an Unidirectional High-Frequency Link Inverter Based on STC Single Chip
基于STC系列单片机的单向高频链逆变器设计