This paper is dedicated to discuss the definition, measurement and control method of High Frequency leakage current.
本文旨在对于高频漏电流的界定、检测及控制方法进行探讨。
In the FFT based algorithm for octave CPB spectrum, the frequency leakage causes big calculation errors in each frequency band.
基于FFT的倍频程CP B谱实现算法中,由于FFT变换时频谱泄漏的影响,导致倍频程CP B谱许多频段出现较大的计算误差。
By these methods, the disturbance of the frequency leakage and the noise can be reduced and the accuracy of the harmonic analysis can be improved.
这些改进能够进一步降低泄漏和噪声干扰,提高谐波分析的准确性。
It is the result of stray capacitance, mutual inductance, and leakage resistance between channels and is generally given in decibels at a specific frequency.
串扰是通道之间的寄生电容、互感和漏阻引起的,通常被表示为指定频率下的分贝值。
Over half of those complaining of the problem experienced up to three episodes of involuntary leakage a month, but for around one in five the frequency of episodes exceeded more than three a week.
超过一半的女性抱怨她们每个月会有超过三次的尿失禁,只有大约五分之一出现的频率超过每周三次。
To estimate signal frequency and amplitude exactly under noisy circumstances, the excellent property of all-phase DFT restraining spectral leakage is mathematically proved.
为精确估计噪声环境中的信号频率和幅值,数学证明了全相位DFT优良的抑制频谱泄漏的性质。
An algorithm used to analyse the leakage current and the reference voltage simultaneously in frequency domain is also provided.
给出了一种能够同时对泄漏电流和参考电压进行频域分析的算法。
The endurance test is a rigorous test for the total performace of a tantalum electrolytic caparitor due to its low impedance, small leakage, high frequency charateristics and high reliability.
钽电解电容器具有阻抗低、漏电流小、高频特性好、可靠性高等特点,而耐久性试验是对电容器产品综合性能最严峻的考验。
Through discussing the samples of ac signal, the basic method to solve spectrum leakage is pointed out, which is to guarantee the same pace between signal frequency and sampling frequency.
通过对交流电信号采样的讨论,指出解决频谱泄漏的问题的基本方法是保证信号频率与采样频率同步。
The rotor bar resistance and slot leakage inductance considering frequency effect are gotten by mean of bar loss calculation and leakage magnetic field energy calculation.
通过直接计算导条损耗与漏磁场能量得出了计及频率影响时转子导条电阻与转子槽漏感。
In any event, the measured frequency response function will be affected by the window and leakage that does result.
无论如何,测得的频响函数必将受到窗函数和泄漏的影响。
The influence of current leakage from horizontal electric dipole on frequency electromagnetic sounding data was studied in this paper.
研究了频率域电磁测深中水平电偶源漏电对观测数据的影响。
To study the influence of rotary inertia on gear flowmeter natural frequency, keep damping and leakage coefficient as constant.
结果表明:与增大泄漏系数、阻尼系数相比,减小转动惯量可以明显的提高流量计的频率响应。
First, the reason for spectrum leakage and its influence to DFT used in frequency analysis is introduced.
首先简要分析了频谱泄漏的成因和其对频率分析中dft算法的影响。
When the leakage flowrate is small, the pressure curve in frequency domain loses its sensitivity first then that in time domain loses its sensitivity.
当泄漏量较小时,压力曲线在频域先于时域失去其对不同泄漏位置的敏感性。
This method adjusts sampling interval to trail after the power system frequency while harmonics analyzing, so that this method greatly reduces the spectrum leakage.
采用此算法可实时跟踪电网频率波动,极大地减小频谱泄漏提高谐波测量精度。
The frequency response diagram under different leakage conditions are analysis. The influence of different leakage conditions on the peak value in frequent response diagram is summarized.
通过对不同泄漏条件下的系统频域响应图进行对比分析,总结出不同泄漏条件对于频率响应图中最大峰值位置的影响。
In fact, the FFT spectrum is the convolution between read time series and window function in domain of frequency, the dominant frequency position influence on leakage should not be ignored.
由于实际信号和窗函数在频域为卷积关系,所以应该考虑实际频率在FFT谱上所处的位置。
Of which the leakage accident of toxic chemicals is a sudden high frequency pollution incident.
其中有毒化学品的泄漏事故是发生频率较高的一种突发性污染事故。
By the effect analysis of various special processing methods, a set of seismic prediction techniques of malignant leakage such as coherent analysis and frequency spectrum analysis are summarized.
通过多种特殊处理方法效果的分析,总结了一套较为有效的恶性井漏地震预测技术,如相干体分析、频谱分析等。
The gathering and controlling of high speed data of audio frequency by CPLD and the logic design of interface are introduced for underground water leakage detecting instrument.
介绍了在地下漏水探测仪中用CPLD实现高速音频数据采集控制及与单片机的接口逻辑设计。
The restrain method of DFT frequency spectrum leakage base on signal symmetry extension is proposed in this paper, experimental results show that this method is effective.
提出一种利用信号对称拓展技术抑制离散傅立叶变换频谱泄漏的方法,实验证明是一种有效的方法。
Repeaters have to be employed in metros to meet the coverage requirements because leakage cables and free Spaces are much more spoiled due to high frequency of 3g signal.
由于3g信号频率高,在地铁中的泄漏电缆损耗和空间损耗将大大增加,为了达到覆盖要求,必然要引入中继放大。
The time-frequency domain sampling characteristics of periodic signal, the truncation error and the spectrum leakage error caused by asynchronous sampling are discussed in detail.
讨论了周期信号取样的时域频域特性、非同步取样引起的截断误差和频谱泄漏误差。
The spectral leakage caused by the truncated signals results in frequency calculation error and slows frequency tracking. A Hanning windowed recursive DFT method is introduced.
但由于截断信号会产生频谱泄漏,使得相位和频率计算结果有一定误差,采用该方法跟踪频率,实时计算电网变化的频率速度较慢。
The function of planar power transformer in the suppression of leakage inductance and temperature rise of high frequency transformer is presented in this paper briefly.
本文简要分析了平面型变压器在抑制高频变压器中的漏感和温升中的作用。
The principle and methods to reduce the spectrum leakage by synchronizing the data sampling with the signal frequency was too given.
然后讨论了利用同步采样消除谱泄漏的原理与方法;
To overcome the leakage of CIR, the frequency guard bands are reduced by using the polynomial cancellation coding(PCC) training symbols.
使用多项式相消编码(PCC)训练符号进行信道估计,利用其频谱陡降的特点减少保护边带宽度,进而降低CIR泄漏。
At the same time, the channel estimation error, caused by the spectral leakage of DFT, can be reduced by canceling the auto-correlation error of the time-domain sequence of frequency-domain pilots.
同时,通过消除频域导频时域序列的自相关误差,能有效降低由DFT谱泄漏导致的信道估计误差。
At the same time, the channel estimation error, caused by the spectral leakage of DFT, can be reduced by canceling the auto-correlation error of the time-domain sequence of frequency-domain pilots.
同时,通过消除频域导频时域序列的自相关误差,能有效降低由DFT谱泄漏导致的信道估计误差。
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