1、

An Analytic estimative formula of FFT leakage error for non-integral period sampling is analyzed and derived and in the case of the input signal including fundamental wave and higher harmonics, a new calculating method of realizing the self-adaptive Integral period sampling with FFT iterative calculation is obtained.

分析推导了非整周期采样时FFT泄漏误差的解析估计公式,得出了在输入信号含基波和高次谐波分量的情况下,利用FFT迭代计算来实现自适应整周期采样的一种新算法。

互联网摘选

2、

Based on the fact that electric power is output from the HF terminal of the frequency converter, this paper analyzes the causes and harms of higher harmonics, as well as the reasons for the power cable oscillation radiation during transmission and their solutions.

根据变频系统高频输出电能特点,分析高次谐波产生原因和危害,并给出在电力电缆传输过程中产生振荡辐射的原因和解决方法。

互联网摘选

3、

Analysis of Higher Harmonics for FEL with a Novel Electrostatic Wiggler

静电摇摆器自由电子激光器的高次谐波分析

互联网摘选

4、

Compared with the Spherical Harmonics Model, Basic Parameters Model is not sensitive to distribution of observational data, the values of its coefficients vary indistinctly with the distribution of observational data and its modified precision is much higher.

与常用的球谐函数修正模型相比较,基本参数模型具有对观测资料分布不敏感、模型的系数随资料分布变化较小和修正精度较高优点。

互联网摘选

5、

With an applied field, higher order harmonics of the space charge field show oscillating attenuation versus time until to reach saturation state.

在外加电场作用下,空间电荷场各阶分量随时间呈振荡衰减,直到达到饱和。

互联网摘选

6、

Higher power factor means less harmonics pollution and better efficiency. And one important way to increase power factor is to do power factor correction.

大的功率因数意味着用电设备对电网造成的谐波污染小,用电效率高,而提高功率因数的重要途径就是对各种设备进行功率因数校正。

互联网摘选

7、

However, the gamma nonlinearity of DLP introduces specific higher-order harmonics, which perhaps leads to appearance of spectrum aliasing, and error of measurement.

由于DLP伽马非线性的存在,变形条纹中会出现高次谐波,可能导致频谱混叠,带来测量误差。

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈