frequency component的例句大全

Detection of Initial Phase of Fundamental Frequency Component of a Periodic Signal Mixed with Stationary Noise

平稳噪声背景下周期信号基频初相位检测

The line noise is a primary low frequency component of self-noise in submarines.

线谱噪声主要集中在自噪声的低频段。

Finally, the seismic imped-ance inversion is performed with the constraint of different-scale frequency component to achieve the low-frequency impedance sec-tion, the middle/ high-frequeney impedance section, and the overall frequency impedance section synthesized by the former two sec-tions.

然后分别利用井的不同尺度的频率分量作为约束条件，进行了地震波阻抗反演，获得了低频波阻抗剖面、中高频波阻抗剖面以及由低频和中高频波阻抗剖面合成的全频波阻抗剖面。

Experimental study of low frequency component of intracranial pressure fluctuation during intracranial hypertension

颅高压状态下颅压波动低频成分的实验研究

The results show that recovery voltage of temporary fault contains the components of power frequency component and free component, while the recovery voltage of permanent fault only contains power frequency component.

研究表明单相瞬时性故障时的恢复电压由自由分量与工频分量叠加而成，而永久性故障时的恢复电压中只包含工频分量。

A Study on Transient Reactive Power Frequency Component of Non-sinusoidal Current Circuit

非正弦周期电流电路瞬时无功功率频率分量研究

among those, the high frequency feed-through cable forming from a section of unclosed copper cable and the equivalent fringing capacitance in the terminal is studied. it acts as the lpf, effectively eliminating the high frequency component in the feed-in signal.

高频扼流圈是一段未闭合的铜，和其终端等效的边缘电容形成一个低通滤波器，可以有效地滤除馈入信号中的高频成分。

On the basis of wavelet analysis a three-dimensional time-frequency pattern to characterize partial discharge ( PD) impulse signal is upbuilt which comprehensively shows three basic features of PD impulse signals: time component, frequency component and distribution of discharging energy.

根据小波理论建立了表征局部放电脉冲信号的三维时频谱图，该三维谱图综合反映了局放脉冲信号的3个基本特征：时间分量、频率分量和放电能量的分布。

In order to control the frequency component in the surge, the low-pass filter was used widely.

对于浪涌中的高频分量的控制, 广泛应用的是低通滤波器.

However, these methods can't suppress the frequency component in the surge.

但是这种方法难以抑制涌流中的高频分量.

Logarithmic Transformation to Joint Power Spectrum can enhance the intensity of high frequency component, improve the modulation degree, weigh down the zero-order diffraction, and increase the recognition efficiency of joint transform correlation system.

为增强联合功率谱的高频成分，改善其调制程度，可对功率谱进行对数变换，从而有效保留更多的高频成份，压低零级衍射光斑，提高联合变换相关器的识别能力。

quartz-crystal resonators is one of common electronic components which is a core and non-substitutable frequency component in electronic equipment because of its high precision and high stability.

石英晶体谐振器是常见的电子元件。由于其具有高精密、高稳定性等重要特点，是电子设备不可或缺的核心频率器件，是频率器件中是其它产品难以替代的。

Wavelet Extraction of Impact Vibration Frequency Component and Fault Analysis for a Twine Spool Aero-Engine

某双转子发动机冲击振动的分频小波提取与故障分析

The precisions of ratio rectifying method is very rough when it was applied to the case of low frequency component, of which the reason was that the contribution from negative frequency not taken into the model.

采用比值法校正低频成分的参数精度比较低，其原因是模型中忽略了负频率成分的贡献。

Research on the Radio Frequency Electronic Ballast and Magnetic Component

射频高强度气体放电灯电子镇流器及其磁元件的研究

High voltage silicon pile is the key component of the output circuits of color TV and color monitor, whose switch frequency is the direct restrictive factor of line scan.

高压硅堆是彩电和彩色显示器行输出电路中的关键器件，其开关速度的快慢直接限制了行扫描频率的高低。

The frequency corresponding to each tidal component often shows a deviation from its definition value.

潮汐谱峰对应的频率一般与其定义值有偏离，说明它们经常处在被扰动的状态。

Thus, an economical and effective way to solve this problem is to construct a repeater, and as the core component of the fiber optic repeater, the radio frequency optical module has a significant increase on demand.

建设直放站是解决信号覆盖问题的一个经济又有效的选择，因此作为光纤直放站核心部件的射频光模块的需求在大量增加。

Firstly, the low frequency sub-band of the original image is extracted through wavelet transform, and then the feature is extracted with independent component analysis, finally, face is recognized by Maximum Entropy Modeling.

首先利用小波变换，提原始图像的低频子图，然后利用独立分量分析（ICA）进行特征提取，最后采用最大熵模型进行分类识别。

The third, Multi-scale Independent Component Analysis ( MICA) basis images were created according to the frequency feature of texture image which extend the frequency describing ability of ICA basis images.

基于纹理基元的尺度&频率特性，提出一种多尺度独立成分分析（MICA）方法，扩展ICA纹理基元的频率描述能力；