As the doohickey hummed away at a very high frequency-a whopping 6 billion cycles per second-the "piezoelectric" material in it produced a warbling electric field that was easy to detect.
当这个小装置以每秒60亿周的高频速度振荡时,它表面的“压电”材料会产生一个很容易被检测到的振动电场。
Using field emission cathode, X ray source can be made with several advantages: smaller volume and brighter, high frequency response, in-time turning on, etc.
采用场发射阴极的X射线光源具有体积小,辐射强度高,频率响应快,可以随时开启,无需预热的优点。
When the driving frequency is high enough, a large number of ions are trapped and the induced space charge field makes a great many of electrons stay in the discharge volume.
当外加电压频率足够高时,大量离子被俘获在放电空间,空间电荷场又引起足够多的电子滞留在放电空间。
This system is designed by modularization, so it has high integration, wide application field, suits different frequency signal acquisition and analyse.
该系统采用模块化设计,集成度高、应用范围广,适合不同频率的信号采集与分析。
Usually, the edge of image is the high frequency of frequency field.
通常,图像的边缘为频率域的高频分量。
The inclusion removal efficiency for the continuous processing of aluminium melt with the high frequency magnetic field is analyzed in the thesis.
分析了高频磁场作用下铝熔体连续处理时夹杂的去除效率。
High frequency (HF) communications play an important role in the field of their communications because of their skywave propagation characteristics.
短波通信由于其天波传播特性,在通信领域具有其它通信手段无法替代的地位。
A capacitive proximity switch works with a high frequency oscillating circuit that creates an electromagnetic field on the active sensor surface by means of a capacitor.
阿电容式接近开关工程高的振荡电路,产生的积极传感器表面磁场的电磁通过一个电容手段的频率。
Through these experiments, we find that the micro actuators vibrate in high frequency under the action of the alternating magnetic field, which make the micro robot model move forward in the water.
实验表明,该模型在交变磁场的作用下,微执行器将做高频率划动,使水下微机器人模型能够在水中产生运动。
The electrical field shield, high and low frequency magnetic shield and shield of coaxial cable are focused.
重点讨论了电场屏蔽,高、低频磁场屏蔽和同轴电缆线的屏蔽问题。
Nowadays, the mainstream of far field beam smoothing technology adopted by foreign high power laser drivers is smoothing by spectral dispersion (SSD) based upon sinusoidal frequency modulation.
目前,国外高功率激光驱动器实现远场分布平滑化的主流技术是基于正弦调频脉冲的光谱色散平滑技术(SSD)。
It researched the experimental method of high-pulsed electric field to milk's sterilization, which measured the sterilization ratio in different electric field intensity, treatment time and frequency.
介绍了利用高电压脉冲电场对牛乳灭菌的试验检测方法,并进行了不同电场强度、脉冲频率及处理时间对牛乳灭菌效果的对比试验。
Eight core oceans heart high-frequency smoother and exquisite, low-frequency texture better, acoustic field have the greater ascension, triple frequency equilibrium.
八芯的海洋之心高频更加顺滑细腻,低频质感更好,声场得到更大的提升,三频均衡。
By imitating of the design characters of the high frequency circuit, the origin and the classification of the noise interferences of the low field NMR circuit system are analyzed.
此外本文参照高频电路的设计特点,分析了低场磁共振信号放大电路的噪声干扰来源,给出了一些减少噪声干扰的具体措施。
Present study on flow characteristics at high incidence shows that: energy in the flow field over slender bodies at high incidence is centralized to low frequency.
大攻角流场内部的能量主要集中在低频范围内,高频成分引起的非定常性对大攻角流动的影响较弱;
In AC electrical field, the stable homogeneous glow discharge will appear by using dielectric barrier layer and high-frequency power source.
在交流电场中,利用介质阻挡层和高频激励源,可获得稳定均匀的大气压下辉光放电。
In the field of wireless correspondence, high performance of frequency source is the core part of communication facility, radar, electronic reconnaissance and resistance equipment.
在无线通信领域中高性能频率源是通信设备、雷达、电子侦察和对抗设备的核心部件。
It can not only measure DC current magnetic field but also alternative current magnetic field. This system has small volume, high capability, and wide frequency range.
本智能磁场测量系统既适合测量直流磁场,又可测量交变磁场,且体积小,性能高,适用频率范围宽。
This article introduces the work principle and application field of the Derrick high frequency vibrating fine screen simply.
简要介绍了德瑞克高频振动细筛的工作原理及其应用领域。
A method to solve the scattering acoustic field of complex target was proposed for the near-field scattering characteristics of an underwater target in high-frequency.
针对水下目标高频近场散射特性,提出了一种求解水下复杂目标散射声场的方法。
Such systems face an additional contribution to the inhomogeneity of the radio frequency (RF) field when high magnetic fields are applied.
当施加高磁场时,这种系统会面临对射频(RF)场不均匀性产生额外作用的问题。
The paper introduces the development of a new type of portable high frequency X-ray unit for field operations.
本文介绍了一种适合野战使用的新型便携式高频X线机的研制。
This paper designs a kind of electric field generator based on high-frequency waveform generator MAX038 according to the need of the myocardial tissue engineering research.
针对心肌组织工程研究的需求,设计实现了一种基于宽频波形发生器MAX038的电场发生器。
High-frequency financial data analysis and modeling is a new research field in financial econometrics.
高频金融数据的分析与建模是金融计量学的一个全新的研究领域。
Compared it with conventional billet, billet cast with high frequency electromagnetic field, on which depth of surface oscillation mark was decreased remarkably, had a smooth surface.
施加高频电磁场的铸坯与传统连铸坯相比,表面振动痕深度明显减小,且表面光滑。
With the frequency resources becoming more and more nervous in recent years, millimeter-wave technology as a high-tech field develops rapidly.
近年来随着通信频谱资源的日益紧张,毫米波技术成为迅猛发展的高新领域。
According to comparative tests, treating cement slurry with high frequency electric field can enhance the strength of cement bond by 11 7%.
通过对比试验得知,高频电场处理水泥浆可使水泥石强度提高11.7%。
According to comparative tests, treating cement slurry with high frequency electric field can enhance the strength of cement bond by 11 7%.
通过对比试验得知,高频电场处理水泥浆可使水泥石强度提高11.7%。
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