电磁干扰

But it\'s an asset to any room subject to excessive electromagnetic and/or radio-frequency interference.

但它的资产任何房间受到过多的电磁和/或无线电频率干扰

For reducing the LEMP lighting electromagnetic pulse radiation, the electrical source uses the Box-type power supply arrester, the power supply arrester and the modular power supply arrester as the third SPD surge protection device. The Low-voltage surge arrester or spark gap is laid between the compute net and equipotential grounding grids for avoiding signal interference and counterattack of ground voltage. The parameter and model of the signal lighting-protector of lines of communication are chosen according to the transfer rate, work level and characteristic impedance.

对控制房和DCS柜采用避雷针、独立针的直接雷防护；系统电源分别采用箱式电源避雷器、电源避雷器、模块式电源避雷器作为三级电源保护，减少LEMP雷电电磁脉冲辐射；计算机网络与等电位地网间设置低压避雷器或火花隙防止信号干扰和避免地电压反击；根据传输速率、工作电平、特性阻抗等，选择通信线路的信号防雷保护器的参数和型号。

To prevent environment pollution from Electro-magnetic interference and radio–frequency interference, the zero cross triggering is adopted to proceed rectified controllably.

为了避免电磁、射频干扰所产生的环境污染问题，伺服电源采用过零触发整流方式。

As the working environment of electromagnetism gets deteriorative and a great deal of jammings exist, target detection and information extraction at very low SINR are difficult.

由于电磁工作环境的恶化和大量射频干扰的存在，在极低的信干噪比条件下进行目标检测和信息提取十分困难。

The mechanism of additional effect is very complicated. Experiment indicated that the additional effect of shallow water-accumulating gob had significant impact on transient electromagnetic signals. And the additional effect could not be simply incorporated into disturbance. The cause of additional effect was analyzed theorically. The examples confirmed that a the application of additional effect in detection of water-accumulating gob can produce ideal results.

附加效应产生的机理很复杂，试验表明，浅层的积水采空区的附加效应对瞬变电磁信号的影响很大，不能将这种现象简单的归结为干扰，本文从理论上分析了附加效应产生的原因，实例证明将附加效应应用到积水采空区的探测中能取得理想的效果。

The lack of proper shielding prohibits the cable from rejecting radio frequency and electromagnetic interference that constantly bombards the audio signal.

缺乏适当的屏蔽电缆禁止从拒绝射频和电磁群的干扰，不断bombards的音频信号。

The common-mode interference is always interfused with the weak velocity signal of the electromagnetic flowmeter,which can be amplified by the signal processing circuit.

电磁流量计输出的流速信号非常微弱，且常叠加共模干扰，经信号调理电路放大后，会导致信噪比很低，甚至淹没有用信号。

The image acquisition of weld seam is influenced by the intense spatters combusting gas, arc and the noise.

获取的图像中存在大量的飞溅、烟尘、电弧光以及周围环境电磁、静电产生的噪声干扰。

The measuring systems are successfully used in the electromagnetic pulse measurement generated by impulse voltage discharge and switch operation in 500kV substations. Full waveforms of transient electric field, transient magnetic field, transient voltage of high frequency relay channels and low voltage alternative current power during switch operation period have been obtained, and the fast transient pulses in high frequency relay channels and AC power have been caught.

将该套测量系统成功地应用于500kV变电站开关操作产生的电磁脉冲的研究中，得到了开关刀闸操作时暂态电场、磁场、高频通道、交流电压等的完整波形，发现低压交直流电源系统和高频保护通道中存在非常严重的脉冲群干扰，初步解释了变电站二次电源模块经常损坏和高频保护经常误动的原因，提出了加强保护和研究的建议，进一步验证了测量系统的先进性。

For instance, we may wish to monitor their transmissions in order to implement signal confirmation, interference identification and spectrum management.

例如监视民用通信信号，以实现干扰识别和电磁谱管理。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。