查询词典 electromagnetic spectrum

A device for converting electromagnetic radiation in the infra-red, visible and/or ultra-violet regions of the spectrum into an electric current .

一种把下述光谱范围内的电磁辐射转换成电流的装置：红外线、可见光和／或紫外线。

We researched the pre-processing algorithm of mapping signal: A comb filter was designed according to the property of the electromagnetic environment in operation room and the spectrum of EPM signal The Zero-Phase property has been achieved by using bi-direction IIR filter during off-line data processing.

研究了心外膜标测信号预处理算法：针对在手术室环境下电磁干扰强的特点和除极信号频谱分析的结果，设计了梳状数字滤波器，利用数据离线分析的特点进行双向IIR滤波，在减少计算量的同时实现了零相位特性。

Deliberate radiation or reradiation of electromagnetic waves so as to impair the usefulness of a specific segment of the radio spectrum that is being used by the enemy for communication or radar.

人为地辐射或反向辐射电磁波，使一段特定的无线电波谱的可用性削弱，而这一波谱段是由敌人的通讯或雷达所使用。

A device which transmits an extremely narrow and coherent beam of electromagnetic energy in the visible light spectrum.

一种能够发射可见光谱电磁能的极细的相干光束的装置。

The fact that only the SERS spectrum of PATP is observed from the assembly, where PATP is partially replace d with N,N'-diphenylthiourea, demonstrates that the electromagnetic field is mainly localized in the region between the silver particles and the surface of the silver metal.

实验中发现只有组装阵列上的PATP分子的SERS被观察到，而部分替代PATP的二苯基硫脲的SERS信号没有得到，说明电磁场主要集中在银粒子和金属银表面之间的这一区域。

By locking laser frequency to atomic absorption spectrum through current negative feedback and locking microwave frequency to electromagnetic induced transparency resonance peak through voltage negative feedback, it is realized to lock the clock frequency of this laboratorial desktop experimental CPT frequency standard.

通过采用电流负反馈将激光频率锁定在原子对激光的吸收峰上，电压负反馈将微波频率锁定在电磁感应透明共振峰上，用该物理系统实现了闭环锁定的实验室桌面CPT频标实验系统。

By locking laser frequency to atomic absorption spectrum through current negative feedback and locking microwave frequency to electromagnetic induced transparency resonance peak through voltage negative feedback respectively, the locking of the clock frequency of this laboratorial desktop experimental CPT frequency standard is realized.

介绍了相干布居囚禁原子频标的小型、低功耗物理系统，并应用它开展实现了CPT原子频标的激光锁定、微波锁定方案的实验室研究。通过采用电流负反馈将激光频率锁定在原子对激光的吸收峰上，电压负反馈将微波频率锁定在电磁感应透明共振峰上，用该物理系统实现了闭环锁定的实验室桌面CPT频标实验系统。

They include induced polarization method,frequency spectrum IPmethod,trandient electromagnetic method, controlled-source audio-frequency magnetotelluric method and GPR .

这些方法有激发极化法、频谱激电法、瞬变电磁法、可控源音频大地电磁法和探地雷达。

The methods, given in this dissertation, and the applied results in seismical prospecting and electromagnetic wave log synthetically overcome the defects of ordinary generalized pulse-spectrum technique to some extent, and have some theoretical significance and practical value.

本文所给出的反演方法及针对地震勘探和电磁波测井的应用性成果，在一定程度上综合克服了传统广义脉冲谱方法的不足，具有一定的理论意义和实用价值。

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。