高频

The traditional collector rig, like contact slip collector ring and noncontact telegraph collector ring, can not be used in high rotational speed and loud noise background.

理论和试验研究发现，相比于直线修形和抛物线修形，正弦曲线修形在很大的工况范围内，具有良好的减振、降噪效果，特别是对于减小高频成分的振动效果更明显。

In order to solve the application problem of conduction heating machining, this project investigates some problems, such as dynamic characteristics of heating power, features of circuit current and voltage, arc discharge states and so on. It also studies control characteristics of Uni-phase or Tri-phase Direct Current Power Supply and Inverse Switch Power Supply. A High Frequency Inverse Switch Commutate Power Supply is developed.

为了解决导电加热切削的应用问题，从加热电源的动态性能和回路的电流、电压特性及电弧放电状态等方面进行研究，分析比较了单、三相交直流电源和逆变开关电源的特点和控制特性，研制了高频逆变开关整流电源。

It is concluded by the comparison of the Power Spectrum Density Function estimated from design spectra that the spectral energies do not distribute uniformly within the frequency of engineering interest in Chinese codes. The remarkable spectral energies concentrate in the range of low and high frequency.

由各规范设计谱估计的功率谱密度函数的比较说明，我国某些抗震设计规范设计谱给出的设计地震动在工程感兴趣的频率范围内可能存在能量分布不均的问题，低频分量和高频分量与中等频率段相比相对显著。

The technology of flexible electrical switches is to use the high frequency power electronics switches in connection with the electromagnetic switch, associated with the shield method to gain ideal complementary effects.

柔性电气开关技术是将高频电力电子开关应用于电磁开关，以屏蔽方式实现两种技术理想化互补。

Complementation of ultrasonography and mammography can promote the diagnostic rate of breast cancer.

利用高频超声与X线钼靶检查的互补性可显著提高乳腺癌的诊断率。

Each kinds of specification intermediate frequency, high frequency, ultrasonic frequency power source, the many kinds of forms smelting, induction heating complete set of equipment, use in the back, nonferrous metal, alloy material smelting, forging and heat treatment.

产品/Product：各种规格的中频、高频、超音频电源、多种形式的熔炼、感应加热成套，用于黑色，有色金属，合金材料的熔炼、锻造及热处理。

Traditional image compression methods are not suitable for compound document images because such images include much text. These image data are high-frequency components, many of which are lost in compression.

由於复合式文件影像中包含许多文字资讯，当文件影像以传统压缩方法压缩时，文字资讯会产生大量的失真，文字和一些属於高频的资讯会变的模糊。

This technique is simple and can adjust the concentricity very well.

该技术简单，能很好地提高高频毫米波管装配中的同轴度。

This paper gives a high precision technique, which use to adjust electron cathode and rf circuits concentricity for high frequency millimeter-wave applications.

给出了一种用於调整军用高频毫米波发射管中阴极和磁聚焦管同心度的简单技术。

Credits earned from successful completion of the courses such as Analogue Electronic Circuits, Digital Electronic Circuits, Signal %26amp; system, High-Frequency Circuit, Digital Signal Processing, Communication Principle, Mono-computers Principle and Application, Theory of Electromagnetic Field, Automatic Control Principle will entitle one the conferral of minor certificate.

五、授予学位：工学学士Ⅴ Degree Conferred： Bachelor of Engineering 六、辅修专业说明Ⅵ Conferral of Minor Certificate：选修并通过本专业如下所有课程：模拟电子线路、数字电子线路、信号与系统、高频电路、数字信号处理、通信原理、单片机原理与应用、电磁场理论、自动控制原理，共30个学分可获得本专业辅修证书。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！