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- 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。
- low frequency supply 低频信号源
- The theory of low frequency power supply and the characteristics of lowfrequency power source generator are introduced. 介绍了低频供电的原理及低频电源发生器的特点。
- 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。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screenedalternating 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。
- Laser direct writing of micro-OVD with low frequency templates[J]. 引用该论文 魏国军;周小红;周雷;陈林森.
- If it is a low frequency sound, it is processed as an analog signal. 对低频声进行传统的处理。
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- 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。
- Medium SMES (200 MVA) are able to compensate some low frequency disturbance. 中型SMES(200MVA),这类SMES能补偿某些低频度的扰动
- A novel pulse plasma light source stimulated by a pulsed sinusoidal high frequency supply is reported,and a commercial PS plate is successfully exposed. 本文报道了一套采用正弦脉冲高频电源激励的新型氮气等离子体光源,首次获得了光源的准脉冲输出,并成功的对一种超感度PS版进行了曝光。
- Helmholtz resonator has a good noise eliminating performance at low frequency. 亥姆赫兹共振腔具有良好的低频消声性能,被广泛地应用于低频消声方面。
- Armstrong was forced to use avery low frequency barely above audibility. 当时这样的频率被认为是“高频”，但只不过是现在所用调幅波段的底部而已。
- Peak indicator light and LF (low frequency) switch per mono channel. 每路单声信道具有峰值指示灯及低频切除开关。
- Purpose:Low frequency power amplifier,medium speed switching applications . 用途:用于低频功率放大及中速开关。
- Note: Close woundcoils will resonate at a slightly lower frequency. （注：密绕的线圈将会谐振在稍低的频率。）
- It is an important energy saving measurement to adopt low frequency power supply technology in submerged-arc furnacesmelting ferroalloy, which, can make power factor improve10%--15%, bower consumption reduced8%, production increase10%. 矿热电炉采用低频供电技术，可提高功率团数10%2515%25冶炼电耗降低8%25生产率提高10%25是铁合金冶炼节能的重要措施。
- Very little effort has been devoted to the experimental measurement of low frequency combustion response. 在低频燃烧响应的试验测定方面只做了很少的工作。
- As a result, an amplifier of this type may have outstanding low frequency power supply rejection, but the negative supply rejection is fundamentally limited at high frequencies. 因此,此类放大器会有杰出的低频供电抑制,但负电压供电会被限制在高频。
