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- voice frequency current 话频电流
- VFT? Voice Frequency Transmission? 音频传输?
- VFT? Voice Frequency carrier telegraph Terminal? 音频载波电报终端?
- VFO? Voice Frequency Oscillator? 音频振荡器?
- The direction of the low frequency current with maximum frequency was also WSW. 低频流出现频率最多的方向和潮流基本一致。
- The mortor is driven by a slip frequency current regulation control. 系统是采用滑差频率的电流调节控制。
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
- You are also not allowed to communicate on any text or voice frequency in use by pilots and regular ATC. 同时，也不得在正式管制员与飞行员通讯的频率上进行文字和语音通讯。
- In researching computer voice input, analysis of voice frequency is a crucial step. 研究电脑语音输入，分析声音的频率特质是很重要的步骤。
- Spectrograms show Kosik's voice frequency when he makes human sounds is similar to his keeper's. 通过声谱图对比发现，科希克发出的声音频率与饲养员金中干的非常相似。
- ObjectiveTo observe the effect of low frequency current hydroelectric bath therapy modulated by medium frequency on sequela of sprain of ankle. 目的观察低频调制中频电水浴疗法对足踝扭伤后遗症状的治疗效果。
- It is applied in voice frequency decoder and power amplifier of high-end stereo of various fields like MP multi-media, VOIP, MP3, etc. 应用于手机多媒体,VOIP,MP3等众多领域的高端立体声音频编解码器和功率放大器;
- To derive the residual low frequency current velocity, one usually deploys current meter moorings over 25 hours or more to remove the diurnal and semi-diurnal tidal components. 若要得到低频流速（主要是平均流及周期大于一天的海流），通常会施放流速仪，测量海流时间超过25小时，才能将全日潮和半日潮的成分滤除而得低频流的流速。
- Using the long-term current data measured by buoys, the cause for the low frequency current variation in the Huanghai Sea and the East China Sea has been analyzed in this paper. 本文利用近几年观测的长时间序列的海流数据和沿岸海洋站上风和气压资料,分析了引起黄东海陆架低频流变化的原因。
- Back to Back Channel Bank The connection of voice frequency and signaling leads between channel banks to allow dropping (i. E. Removing) and inserting (i. E. Adding) of channels. 背对背信息处理单元两个信息处理单元之间的话音频率和信令引导连接,允许对信道进行卸除(即删除)和插入(即添加)操作。
- ObjectiveTo compare the effects of modulated medium frequency low frequency current hydroelectric bath therapy and electromagnetic therapy on heel pain. 目的比较低频调制的中频电水浴疗法与电磁疗法治疗足跟痛的疗效。
- Conclusions Xenon light low frequency current has both efficacies of deeply thermal break-through and low frequency curent curative effect.It has exactly ... 结论氙光低周波具有光波深层透热与低频电疗两种功能,对膝骨性关节炎有确定的治疗效果。
- voice frequency signalling current 音频振铃电流
- The high voltage supply to the test electrode shall be either alternating current, direct current, high frequency current or impulsed current as specified in 4.1. 通常采用的测试高压电源有交流、直流、高频和脉冲。在4.;1中有详细介绍。
- The carrier signal injection method and the heterodyning algorithm for the extraction of high frequency current containing rotor space-position information are all discussed. 讨论了载波信号的注入、提取以及包含转子位置信息的高频负序电流的外差处理技术。
