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- On the Tune Unit of the Digital-Coding Audio Frequency Track Circuit 数字编码制式无绝缘轨道电路调谐单元探析
- audio frequency track circuit 音频轨道电路
- On the base of reducing the problem, this paper put forward the idea improving bonding circuit to automatic block with audio frequency shift modulated track circuit and other signal equipmemt on the Hu Hang and Zhe Gan line. 在减少自动闭塞初期故障的基础上,对沪杭、赣线移频自动闭塞与其他信号设备的结合电路,提出了改进意见和实施措施。
- Signal demodulation of automatic block with audio frequency shift modulated track circuits was implemented with phase-locked loop( PLL) technique and a singe chip microcomputer. 利用锁相环(LL)窄带跟踪特性;与单片机结合;实现自动闭塞系统移频信号解调.
- Audio frequency overlay solid state track circuit 固态间频叠加轨道电路电码线路
- AC power frequency track circuit 交流工频轨道电路
- It is unnecessary to use frequency conversion adjustment because it is designed with full digital press frequency tracking circuit and good adaptability. 全数字式压频跟踪电路设计,良好的自适应性,无须变频调节;
- Test methods for commercial frequency track circuit type automatic train stop 工频轨道线路式列车自动停车装置的试验方法
- Frequency Tracking Circuit for Ultrasonic Generator 超声波发生器的频率跟踪电路
- I am majored in audio frequency amplifier. 我主修音频放大器。
- The middle part of an audio frequency. 中声频,中频声波频率的中间部分
- Experiment of Transformation on Power Frequency Track Circuit by Superimposing Closed Loop Code 工频轨道电路叠加闭环电码化改造的试验
- Study of Modulation Signal's Parameters in Resonance Type Jointless Shifting Frequency Track Circuit 谐振式无绝缘移频轨道电路调制信号参数研究
- Purpose: Audio frequency power amplifier applications. 用途:用于音频功率放大。
- It solves the problem that the dynamic range of SPL is large within audio frequency range by adopting logarithm compress and A/D converting circuit. 该系统采用对数压缩电路和A/D转换电路相结合的方法,解决了SPL值在音频域内的动态范围很大的问题。
- Though there is no train is occupying the overlap track circuit. 虽然没有火车占领交叠轨道电路。
- Scene supervisory system and audio frequency retransmission system; e. 现场监控系统及视音频转播系统;
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- audible frequency track circuit 音频电路
- Can control audio frequency signals remotely,the volume can be modulated. 可对各路音频信号进行远程操控,音量可调;