frequencyn.频繁;频率
Frequency-Biasing Technique of Laser Gyro激光陀螺的偏频技术
frequency stabilization by quartz resonator石英稳频法
Frequency Modulation Feedback Discriminator调频反馈鉴别器
frequency measurement wigh filtering method滤波法测频
frequency measurement with filtering method滤波法测频
Frequency-Agile Low Coverage Netted Radar灵活频率小视野网状雷达
frequency-modulated broadcast transmitter调频广播发射机
frequency-hopped spread-spectrum signal跳频扩展频谱信号