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- The PED System is an ultra low frequency "through the earth "paging control and remote blasting system. PED井下无线通讯与急救系统是世界上唯一一套可实现超低频信号穿透岩层进行传输的无线急救通讯系统。
- With the ultra low frequency sound box combination use, may have theacoustics which plentifully shocks. 与超低频音箱组合使用,可产生更加丰满震撼的音响效果。
- A new method,which the ultra low frequency dielectric spectroscopy can be obtained by the absorption current with FFT,was established. 本文描述了一种利用FFT,从介质吸收电流得出其超低频介电频谱的新方法。
- According to the experimental results of absolute test and on-line test,the ultra low frequency vibration table is substituted with the SCM for FBA dynamic test. 通过对比力平衡加速度计的绝对测试和在线测试实验结果,证明自标定机构可以代替超低频标准振动台来进行力平衡加速度计的动态测试。
- 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.
- Ultra low frequency spectra of dielectric constant and loss tangent as well as the Cole-Cole diagram can be obtained from the C-t curve by using the Debye equations and the relaxation parameters. 根据德拜方程可以从实测的C-t关系中得到材料介电常数与损耗角正切的超低频频谱及相应的Cole-Cole图。
- 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。
- 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。)
- Ultra low frequency signal generator 超低频信号发生器
- low frequency ultra wide band ( UWB) 低频超宽带