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- very low frequency method 甚低频法
- low frequency method 低频法
- 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 method can directly detect the fault characteristic signals in low frequency band and achievefault diagnosis. 该方法直接检测故障的低频特征信号,完成故障诊断。
- Obviously, the technique is a very efficient method to calibrate line array in low frequency. 因此,线列阵管中校准方法是一种在低频情况下校准线列阵的十分有效的方法。
- The abnormal colours of seedlings turned a low frequency. 颜色异常的苗木出现频率较低。
- By using this method, the impact on depressing the partial vibration and the radiation of the low frequency noise of the structure underwater is efficacious. 采用增大局部结构刚度的方法,对于降低水下结构的局部振动与低频噪声辐射效果显著。
- 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.
- 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。
- The hearing aid earmold occlusion effect is focused on the low frequency region below 400Hz and drilling a vent is an effective method to resolve it. 配戴助听器耳模后,堵耳效应在400Hz以下最为显著,加开通气孔可显著解决堵耳效应问题。
- At the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method . 通过海水消声器试验测量台架,利用测量小室验证了混响箱法难以准确测量海水管路系统中的低频流噪声;
- The very low frequency electromagnetic method(VLF-EM) has such advantages as portable instrument,simple method,economical and high efficiency. 甚低频电磁法(VLF-EM),具有仪器轻便、方法简单、经济高效等优点。
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- From now on,we will attempting to adopt more than one method,such as ferrograph analysis and low frequency vibration analysis,and the like. 今后设想用多种方法进行综合监测,在原有基础上再结合铁谱和振动等监测方法.
- This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method. 介绍了音频法检测铸件球化级别的原理及试验结果。
- 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。
- Frequency method and Bayesian method are the two main data mining algorithms used in pharmacovigilance nowadays. 目前各国普遍使用的数据挖掘方法主要有频数法与贝叶斯法。
- This paper gives a new method of designing low frequency multiplier by expounding the principles and analyzing the characteristics. 文章提出了一种全新的低频倍频器的设计方法,并对其原理及特性进行了阐述与分析。
- 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。
- Abstract : The two frequency method for measurring corrosion reaction resistance based on a. c. impedance and numerical integration has been proposed. 摘要 : 提出了基于交流阻抗和数值积分原理的二点频率法。