查询词典 difference frequency

Main research results are as follows:The distribution of electromagnetic field in inductor goes sameness when imposing high frequency magnetic field and intermediate frequency magnetic field where the magnetic flux density is symmetry along the center of inductor height and in which the distance from the center of inductor is further, the magnetic flux density is stronger.

主要结论如下：感应器通入高频电流和中频电流两种情况下，感应器内部的磁场分布趋势相同，感应器内部的磁感应强度沿感应器高度中心对称，半径越大的位置，磁感应强度越强。

Stronger magnetic flux density could be obtained when imposing intermediate frequency magnetic field and the shape of melt surface rises higher when frequency of magnetic is 2.5kHz than 30kHz.

施加相同电源功率情况下感应器内通入中频电流时可以获得更大的磁感应强度。

Low frequency and intermediate frequency, two kind of pulse function design can better adapt various materials omni-directional welding.

低频和中频两种脉冲功能的设计能更好的适应各种材料的全方位焊接。

The noise of Trial pilots was mainly intermediate or high frequency, and that of Riveters was high frequency.

试飞车间的噪声为稳态噪声，主要是以中高频为主，铆工车间的噪声为非稳态噪声，主要是以高频为主。

The key content of the whole essay is that it analyses frequency modulation, intermediate frequency,

本文的核心内容主要是系统分析了中频，调频波，数字模拟转换，模拟数字转换。

Intermediate frequency linear frequency modulated signal has been widely used in radar,for it has precise measurement on target's speed and distance.

中文摘要： LFM信号是目前雷达中应用的主要信号形式，它具有很高的速度和距离分辨率。

Already used means of intermittent air feed at pneumatic nozzle to divide way of miscellaneous more successive air feed by experimental test and verify more energy-saving, and the frequency of intermittent air current is mixed occupy sky comparing to affect energy-saving result, existence is mixed to frequency occupy sky comparing to make energy-saving effect best.

已由实验验证将间歇供气方式应用于气动喷嘴除杂较连续供气方式更节能，并且间歇气流的频率和占空比影响节能效果，存在一对频率和占空比使节能效果最优。

Traditional frequency multiplier chain could obtain high stable and low phase noise signals, but it has complex circuit structure and needs to solve these problems of interstage circuit matching and filtering, which become prominent as the increase of operation frequency.

传统的倍频放大链路虽然能够获得高频率稳定度、低相噪的毫米波信号，但其电路结构复杂，降低了系统的稳定性；同时还需要解决级间匹配滤波的问题，这在毫米波频段高端变得更为突出。

Traditional frequency multiplier chain could obtain high stable and low phase noise signals, but it has complex circuit structure and needs to solve these problems of interstage circuit matching and filtering, which become prominent as the increase of operation frequency. Avalanche device is the important solid power device to generate millimeter wave signals.

传统的倍频放大链路虽然能够获得高频率稳定度、低相噪的毫米波信号，但其电路结构复杂，降低了系统的稳定性；同时还需(来源：A9bBb532C论文网www.abclunwen.com)要解决级间匹配滤波的问题，这在毫米波频段高端变得更为突出。

Time domain signal is transformed to the frequency domain signal by FFT. Dispersion curve is obtained from phase angle that is calculated by the frequency spectrum analysis. A compound dispersion curve is obtained from the dispersion curves intervale, and the representative dispersion curve is used to evaluate dimensions and quality of soil grouting body.

由FLAC所得不同点位的速度历时透过快速傅立叶转换后，得到频率域讯号，再经过频谱分析计算其相位角，得到其频散曲线，由不同间距的频散曲线集合成复合频散曲线，再绘制成一"代表性"频散曲线，以评估灌浆体品质及范围。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。