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- The simulation results demonstrate that this approach has high accuracy for the frequency measurement, and strong resistibility for non-periodic, low frequency and high-order harmonic signals. 仿真结果表明：在电网含有较强的非周期、低频和高频谐波信号的条件下，基于这种滤波技术的测频方法具有较高的频率测量精度。
- Improvements of Low Frequency Measurement in Reverberation Room 混响室中低频测量的改进
- very low frequency measurement 甚低频测量
- low frequency measurement 低频测量
- 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。
- 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。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配选通门提高低频信号频率测量精度。
- 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.
- Polarized Raman measurement on the low frequency Raman signals in KBr: Pb~(2+), KC1: Pb~(2+) and RbC1: Pb~2 single crystals is performed. 对KBr:Pb~(2+)、KCl:Pb~(2+)和RbCl:Pb~(2+)单晶中的低频喇曼信号进行了偏振喇曼测量。
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- 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。
- After the multipath correction using the part of low frequency which has a certain repeatability, the accuracy of GPS measurement can be improved about 30%. 利用具有重复性的低频部分建立多路径效应误差改正模型，可使GPS的振动测量精度提高30%25左右。
- Ciliary beat frequency measurement of cultured human nasal epithelial cellsSONG Xiao-hong, et al. 体外培养的人鼻腔黏膜纤毛摆动频率的测量。
- The signal environment of ECM is more and more complex, so frequency measurement methods must be high-speed and precise in broad frequency band. 面对日益复杂的电子战环境，要求必须在很宽的带宽范围内，对频率信息进行快速、高精度的测量。
- 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。
- In conclusion, the trend of power system frequency measurement is naturally educed. 最后对电力系统频率测量的发展趋势提出看法。
- 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。
- Circle Center Fitting (CCF), a phasor method of frequency measurement, is innovated and proved, and it has the practical value of engineering. 提出并论证了“圆心拟合法”相量测频方法,具有一定的应用价值。
