spectrum filtering的例句大全

After processed by narrow band com-plex filtering or narrow band recurrence filtering and Hilbert trans-formation, real signal is transformed into narrow band complex sig-nal, whose instantaneous spectrum is then used to solve for tensor impedance element.

本文通过对记录上的实信号做窄带复数滤波或窄带递归滤波和希尔伯特变换，转换成窄带复信号，再由复信号的瞬时谱求出张量阻抗元素。

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The time section with high resolution and S/ N ratio was obtained after the spectrum whitening and the inverse Q. filtering have been made.

采用谱白化、反Q滤波等手段进行资料处理，获得了分辨率和信噪比均较高的时间剖面。

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compared with the conventional direct-sequence spread-spectrum receiver, it occupies less hardware because no filter is needed for the input baseband signal and the filtering of the local pseudonoise code can be implemented by a lookup-table.

由于不需直接对输入基带信号进行滤波，而对本地扩频码的滤波又可以通过查表的方式实现，因此与传统的扩频接收机相比，占用的硬件资源大大减少。

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It points out the feasibility that use matched filtering to conduct the frequency-division of cosine transform of gravitational and magnetic anomaly by correlating and analyzing the relationship of amplitude spectrum between cosine transform and Fourier transform of signal;

通过对比分析信号的余弦变换和傅里叶变换振幅谱关系，指出利用匹配滤波对重磁异常的余弦变换谱进行分频是可行的；

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And in image processing of, using a digital filtering method to eliminate the spectrum representation of the diffraction and zero level as twin like.

并在图像处理方面，利用数字频谱滤波法消除了再现像中的零级衍射以及孪生像。

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Clearly any light filtering through the atmosphere will increasingly be in the red light spectrum.

很明显任何透过大气层的光线将越来越多的是红色光谱。

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Typhoon surge characteristics of the East China Sea coast are analysed using filtering and spectrum analysing methods, which indicates that the nonlinear coincidence effects between typhoon surge and astronomical tide are not only universal but also serious.

本文利用滤波、谱分析等方法分析与阐述了我国东海沿岸台风增水的基本特征。指出了它们与天文潮之间非线性耦合效应的普遍性与显著性。

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In this thesis, we study some speech enhancement methods based on short-time spectral magnitude of noisy speech, such as spectral magnitude subtraction~ power spectrum subtraction~ Wiener filtering-, maximum likelihood envelope estimation.

本论文研究了基于语音短时幅度谱估计的语音增强方法，主要包括振幅谱相减、功率谱相减、维纳滤波法、最大似然包络估计器。

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The method does not need filtering and can sample directly from the power spectrum density function of the irregularity of railway track and be appliable for stationary and nonstationary railway irregularities.

这种方法不需要进行滤波，直接对轨道不平顺的功率谱密度函数进行采样处理，对平稳的及非平稳的轨道不平顺均可应用。

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A New Noise Filtering Method of the SPR Optical Fiber Sensor Spectrum

一种光纤SPR传感器光谱降噪的新方法

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Space Spectrum and Filtering of Apertured Bessel Beam

加光阑的贝塞尔光束的空间频谱和滤波

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Based on the arc light spectrum theory, the auxiliary lighting source and composite filtering techniques were used to solve the negative factors such as poor resolution and radiation disturbance by weld pool.

依据弧光光谱理论，采用辅助光源及复合滤光技术，有效地解决了焊接区熔池成像的干扰和清晰度差等问题。

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The soil in a sediment basin near ground surface is soft. It has a remarkable amplification and filtering effects on earthquake wave and can change the characters of the amplitude and spectrum of ground motion wave significantly.

大型沉积盆地中，近地表土层比较松软，对地震波有明显的放大和滤波的作用，可以显著改变地震动的幅值和频谱特征。

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The spectrum character of binomial coefficient filtering

二项式系数滤波的谱特征

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This approach bases on the cross power spectrum estimation and phase compensation filtering.

该方案基于互功率谱的相位检测、相位补偿滤波两种算法.

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