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- 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。
- Frequency domain:total frequency components(TF),low frequency components(LF),high frequency components(HF). 频域分析:总频谱成分(TF),低频成分(LF),高频成分(HF)。
- Q1, Q3 and Q5 switch at high frequency (HF) while Q2, Q4 and Q6 switch at low frequency (LF). Q3和Q5会在高频(HF)切换;而Q2、Q4和Q6则会在低频(LF)切换。
- The present paper gives an analysis of the low frequency (LF) vortex and divergent circulation systems and their interactions in terms of the ECMWF/WMO data (summer of 1984). 利用1984年夏季ECMWF/WMO资料分析了低频涡度系统和低频辐散环流系统,讨论了两者之间的相互作用。
- 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 indexes in different time during perioperation were recorded which included heart rate(HR),heart rate variation(HRV),the total power of heart rate variation(TP),low frequency(LF),high frequency(HF),et al. 观察围手术期不同时点心率(HR)和心率变异(HRV)、心率变异总功率(TP)、低频(LF)、高频(HF)、LF/HF、uHF(HF/TP)等各项指标的变化。
- By use of the SCSMEX situ observational precipitation and NCEP/NCAR reanalysis data sets, this study discussed the low frequency (LF) variational characteristics of the East Asian summer monsoon circulation (EASMC) with EOF and MSSA analysis methods. 利用1998年SCSMEX试验期降水观测资料和NCEP/NCAR再分析资料, 将物理量场在降水EOF分析得到的时间系数上展开,分析东亚夏季风环流低频变化特征。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- The main spectral components are distinguished in the heart rate variability spectrum: ultra low frequency(ULF),very low frequency(VLF), low frequency(LF), high frequency(HF) components . 心率变异性长时程功率谱主要成份分为超低频、极低频、低频、高频。
- 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.
- 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。
- 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。
- 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。)
- propagation of low frequency (LF) radio wave 低频电波传播
- propagation of low frequency ( LF ) radio wave 低频电波传播
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