The peak value of lightning frequency and rainfall period is consistent, the merger of medium and small scale rain cluster and low-layer convergence is one of the causes for short-term rainfall.
闪电频数与强降水时段的峰值较一致，中小尺度雨团合并和低层辐合是造成短时强降水的原因之一。
It is designed to detect the low-frequency radio pulses emitted by lightning strikes.
这一系统旨在感应雷击产生的低频射电脉冲。
Based on the frequency parameters, a new transformation method to determine the response to lightning impulse wave on transmission line with corona is proposed in this paper.
本文在频变参数基础上提出了一种计算电晕线路响应特性的新变换方法，并用其计算了线路的雷电波响应。
The accuracy grade of frequency collection is improved, the function modular to prevent lightning and electromagnetic disturbance of signal and power source is added.
提高了频率采集的精度等级，增加了信号及电源防雷击和抗电磁干扰功能模块。
About theoretic calculation for lightning electromagnetic field, two analytical methods are raised, which are dipole method in time domain and time-varying field method in frequency domain.
在雷电电磁场的理论计算方面，提出了两种方法，即时域中的偶极子方法和频域中的时变场方法。
The discharging properties of air gap in natural ambience with different conditions under power frequency voltage and lightning impulse voltage are studied.
通过对该避雷器进行大量的雷电冲击放电试验，确定了间隙距离和安装位置。
Because of the interference of the mobile phone, lightning quick radio frequency enhanced, which likely to cause accidents, lightning and burn machine.
由于雷电的干扰，手机的无线频率跳跃性增强，这容易诱发雷击和烧机等事故。
ZP-PS series socket power surge protector is designed for communication, electronic equipment in the operation of over-voltage and lightning induction frequency.
ZP-PS系列插座式电源浪涌保护器是专门为通信、电子设备在操作过电压和雷电感应频繁的场合而设计的。
By means of lots of lightning impulse tests, power frequency arc tests as well as bend loading tests, a kind of clamping post composite insulators with matching insulation hoods is developed.
通过大量的雷电冲击放电试验、工频电弧试验和弯曲负荷试验等试验研究，研制出了一种放电箝位柱式复合绝缘子和配套的绝缘罩。
The discharging curves for power frequency voltage and lightning impulse voltage are measured and its fluctuation range caused by variation of air condition is found.
该式能把工频电压和雷电冲击电压下空气隙的放电曲线箍在特定的范围内。
High frequency band is a hostile electromagnetic environment. In this band atmospheric noise emitted by lightning in a short distance may badly affect HF GW radar's normal function.
高频段电磁环境恶劣，近区雷电在这一频段激发的天电噪声对HF -GW雷达的正常工作构成了严重干扰。
Zinc oxide lightning arrester discharge frequency, leakage resistance current, and capacitive current can be output digitally with interface RS485.
氧化锌避雷器放电次数及泄露电阻电流、电容电流可用RS485接口以数字量输出。
Zinc oxide lightning arrester discharge frequency, leakage resistance current, and capacitive current can be output digitally with interface RS485.
氧化锌避雷器放电次数及泄露电阻电流、电容电流可用RS485接口以数字量输出。
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