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- low frequency UWB 低频UWB
- Low frequency UWB SAR 低频超宽带合成孔径雷达
- The low frequency, UWB and large processing angle result that t he common SAR polarimetric calibration cannot be used. 系统的低频特性,UWB特性和大处理角特性使得常规SAR极化校准不再适用。
- Multi-polarization, low frequency ultra-wideband synthetic aperture radar (UWB SAR) is one of the most important aspects of the r adar technology. 多极化,低频超宽带(ultrawideband,UWB)合成孔径雷达(syntheticapertureradar,SAR)是雷达技术未来发展的一个重要方向。
- The low frequency, UWB and large processing angle result that the polarimetric calibration for regular SAR system cannot be used. 系统的低频特性，UWB特性和大处理角特性使得常规SAR极化校准不再适用。
- 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。
- 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
- 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。）
- low frequency ultra wide band ( UWB) 低频超宽带
- 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。
- In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system. 在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。
