对不同现场试验方法的比较说明：工频串联谐振回路简单易行，是比较可取的；同时需对振荡操作波和超低频法等作进一步研究。
Different on-site test methods are Compared, and it is shown that power frequency series resonant circuit is relatively simple and feasible, and is therefore preferable.
说明甚低频电磁法和EH4电磁成像系统的联合应用是草原浅层覆盖区找寻隐伏矿体的有效技术方法。
Hence, the integrated application of VLF-EM and EH4 conductivity image system is efficient to forecast the location of the buried ore-bodies in grasslands.
目前广泛使用的低频信号检测法容易受到直流系统支路中存在的对地分布电容和环网的影响。
The detection method of low frequency signal injection, which is widely used, is easily influenced by the capacitors between ground and each branch and by the ring net.
该算法利用电路模型法得到低频下若干频率的电感、电阻值；
The coupled circuit method is used to calculate resistances and inductances in the low frequency range.
为了提高大米蛋白质的提取率，研究采用冻融及低频超声波处理大米浆体后，再用碱液法提取大米中的蛋白质。
In order to enhance the rate of protein from rice, freeze-thaw and low-frequency ultrasonic methods were used before alkaline solvent was used to extract protein from rice.
把对比源截断法中的迭代公式修改后，可明显加速在低频的收敛。
The iteration formula in the CST is corrected, which increases the convergence rate considerably at lower frequencies.
这一方法与技术对于一般低频频率的测量具有普遍意义。
The method and technique are meaningful for ordinary low frequency measurement.
采用流式细胞分析法检测了低频脉冲电场对人真皮成纤维细胞细胞周期的影响。
The effect of low frequency pulsed electric field on dermal fibroblast was examined by flow cytometry analysis.
实验研究表明，采用梯形积分的转子磁链离散化法和遇限削弱积分pi控制算法，能够有效地改善系统的高低频转矩响应。
Experiments shown that the system torque performance can be improved effectively by dispersing rotor flux with trapezoid integrator and numerical PI regulating with correction of the integral term.
最后，应用复系数转矩分析法研究了可控串联补偿实现抑制低频振荡的机理。
At last, the reason of why the TCSC can restrain the LFO is given by use of the plural coefficient torque method.
针对低频频率量，介绍了利用单片机的片内定时器，采用测周法实现频率量采集的方法。
This paper introduces the way of measuring the cycle of frequency by making use of timer in the single-chip microcomputer to collect the parameters of frequency.
简要叙述了甚低频电磁法的方法技术，并以山城金矿为例。
This paper briefly discusses the very low frequency (VLF) electromagnetic technique and takes Shancheng gold mine for example.
介绍一种降低频率的S注入法信号发生装置。
Based on an s injection method of reducing work frequency, a novel signal generator is developed.
分析了低频信号注入法，并且针对其缺陷提出了基于小波变换的检测方案。
The paper analyzes the method of low frequency signal injection, which is usually used to detect DC system grounding fault, and advances the method based on wavelet transforms.
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。
The very low frequency electromagnetic method (VLF-EM) has such advantages as portable instrument, simple method, economical and high efficiency.
分析了步进电机产生低频振荡的原因，提出了一种新控制方法—脉宽调整法。
The way of pulse-width adjustment which can change the size, the direction and the action time of the electromagnetic resultant force in the stepping motor.
本文采用了一种常态下利用双不对称电桥实时监测直流系统绝缘的方法，解决了上述问题。目前广泛使用的低频信号注入法容易受到直流系统支路中存在的对地分布电容的影响。
A new method of monitoring real-timely for DC system insulation using double asymmetrical Bridges in normal mode is adopted in this paper, and the shortcomings of symmetrical bridge are overcome.
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。
The advantages of VLF-EM method are portable, simple, economic and efficient.
本文采用循环伏安法和恒电流法在惰性电极与304不锈钢低频载波氧化膜上合成了聚对苯撑与聚噻吩膜。
In this article, polythiophene and polyparaphenylene films were prepared both on inert electrodes and 304 stainless steel by electrochemical methods.
交流注入信号频率本文选择60 Hz，相对与S信号注入法，称为低频交流注入法。
Compared with the injected s signal technique, this method is called low frequency AC signal injection method.
交流注入信号频率本文选择60 Hz，相对与S信号注入法，称为低频交流注入法。
Compared with the injected s signal technique, this method is called low frequency AC signal injection method.
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