... 高频调谐线 high-frequency tuning coil 高频调制 high-frequency modulation 高频调制法 HF modulation method ...
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The high-frequency modulation reference light and the optical signal to be tested are reflected to the photoelectric sensor by a semi-permeable semi-reflector.
高频调制参考光和被测光信号是通过半透半反光镜照 射到光电传感器上。
High frequency pulse width modulation power control systems can be realized using semiconductor switches.
高频脉冲宽度调制电力控制系统，可以实现用半导体开关。
The high frequency modulation characteristics of GaAs-GaAlAs DH LBDs are analyzed and the results (data and curves) presented.
分析了器件的两种高频调制特性，给出了测量结果——数据和曲线。
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