查询词典 high frequency

Our process capability: Plates: FR4, High TG FR4, high CTI FR4, high frequency materials, halogen-free materials, aluminum and other low-rise Materials :2-20 layer of finished copper thickness :0.5-5 OZ finished thickness: 0.2 -6.0mm Minimum line width: 3mil Minimum line spacing: 3mil smallest shape tolerances:+/-0.1mm minimum finished diameter: 0.1mm maximum thickness aperture ratio: 12:1 wide minimum solder bridge: 4mil characters minimum line width: 5mil Minimum height of characters: 30mil Solder Mask Color: Green, black, blue, white, yellow, purple characters such as color: white, yellow, black and other surface processes: spray tin, lead-free HASL, Electroless gold plating Shuijin, OSP, chemical Shen tin, silver and other chemicals Shen Process: Goldfinger, blue gum, Blind-via/Buried-via, characteristic impedance control, rigid-flexible combination of reliability testing such as: Open / Short testing, impedance testing, solderability testing, thermal shock testing, metallographic analysis of micro-slice curvature Isoptera: 0.7% flame retardant Level: 94V-0

我们公司的制程能力：板材：FR4、高TG FR4、高CTI FR4、高频材料、无卤素材料、铝基材料等层数：2-20层成品铜厚：0.5-5 OZ成品板厚：0.2-6.0mm最小线宽：3mil最小线间距：3mil最小外形公差：+/-0.1mm最小成品孔径：0.1mm最大板厚孔径比：12：1最小阻焊桥宽：4mil最小字符线宽：5mil最小字符高度：30mil阻焊颜色：绿色、黑色、蓝色、白色、黄色、紫色等字符颜色：白色、黄色、黑色等表面工艺：喷锡，无铅喷锡、化学沉金、电镀水金、OSP、化学沉锡、化学沉银等其它工艺：金手指、蓝胶、盲埋孔、特性阻抗控制、刚柔结合等可靠性测试：开/短路测试、阻抗测试、可焊性测试、热冲击测试、金相微切片分析等翅曲度：≤0.7%阻燃等级：94V-0

The dependence of resistance on the curing temperature illustrated that-codoped BST was capable of exhibiting the positive temperature coefficient effect at low frequency; nevertheless,it might display the negative temperature coefficient effect at other frequencies. The relationships between the resistance and applied voltage revealed that the resistance property of-codoped BST appeared at low frequencies, but its property of capacitive reactance might present at high frequency.

阻温特性曲线显示，在低频时它显示正温度系数效应，在其它频率则显示负温度系数效应电阻与电压关系显示，低频时它呈现电阻特性，而高频时则显示容抗特性。

Carrier wave and modulating wave with high frequency were used to control the exciting current and frequency respectively.

可用于波流共存场多向随机波浪传播变形的模拟和预报。9。利用载波和高频调幅波分别控制励磁电流(0~15 A)和励磁频率(50~1000 Hz)的大小。

Now the company's main business has: AC-DC, AC-AC, voltage converters, choke, inductor coil, filters, transformers, power transformers, all types of special transformers, the total frequency, high-frequency transformers and various types of switching power supply, etc.; and in the domestic set up a sound distribution network of electronic components.

现公司的主要经营项目有：AC-DC 、 AC-AC，电压转换器、扼流圈、电感线圈、滤波器、互感器、电源变压器、各类特种变压器，共频、高频变压器及各类开关电源等；并在国内建立了完善的电子元器件分销网络。

Application: Community antenna, video frequency, closed circuit television supervisory system, conduction system and unidirectional control system or the high-frequency machine connecting or internal wiring.

公共天线、视频射频、闭路电视监控系统、传导系统及单向控制系统或是高频率机器之接线或内部配线等。

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 coefficient of component variance for high-frequency increased (p＜0.05) and low-frequency decreased (p＜0.01) in hypertensive patients with SAS after one night CPAP treatment.

活动后正常对照组和单纯高血压组Lc明显增加(p＜0.01，p＜0.01)，而SAS合并高血压组Lc却下降(p＜0.05)。一夜CPAP治疗后，SAS合并高血压组休息状态时Hc增加(p＜0.05)，Lc明显下降(p＜0.01)。

If the time constant of integration circuit is properly set to improve high frequency restrain ratio to get accurate differential frequency signal.

在很多应用到频率差进行控制、处理的场合，若根据频率差计的原理，将其直接设计到一体化电路中

In this paper the high input voltagte high frequency dc convertor with high power is studied.

本文主要针对高频高输入电压大功率直流变换器进行了相应的研究。

The wires serve as the preferred conductor of CATV coaxial cable,RF cable,leak cable and other high-frequency cables,and ideally suited for most electrical conductor applications,war industry ,aviation,IC plugs,instruments plugs,motor,transformer loop,TV degaussing loop,defluxion loop,especial high conductor and high intension spring,line,shiele net and so on,the field is very wide.

在原有的应用领域同轴电缆、射频电缆、漏泄电缆等高频信号传输领域的基础上，向电力电缆、控制电缆、军工、航空、电子元件接插件、仪器仪表连接线、电机、变压器线圈、电声线圈、电视机消磁线圈和偏转线圈、特种高导电率高强度弹簧、绞线、射频屏蔽网等更广泛的应用领域扩展。

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！