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- ultra low frequency test 超低频测试
- 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。
- 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。
- 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。
- Ultra low frequency signal generator 超低频信号发生器
- ultra low frequency electromagnetic wave 超低频电磁波
- ultra low frequency and large amplitude 超低频大振幅
- Ultra- low Frequency Test of HV Power Cable 高压电力电缆超低频试验
- Study on Transfer of Ultra Low Frequency Information 超低频信息传递的发射装置设计
- 9.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. 因为在板级测试中发现的大部分故障都是生产缺陷,生产缺陷分析测试到的故障几乎都可以覆盖在线测试所发现的问题。
- 5.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。
- Dust chambers, ultra low industrial freezers. 吸尘室,超低温工业冷冻机。
- The duty on ultra low sulphur diesel is a steady source of revenue. 超低硫柴油税是一项稳定的收入来源。
- 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。
- ultra low frequency radiowaves 超低频无线电波
- ULF (Ultra Low Frequency) 超低频率
- Multifunction for frequency test, period test, crystal oscillation test and frequency calculation. 多功能设计,具测频,测周期,测晶振及计数功能。