查询词典 band filter

By applying frequency analysis method to a standard active band-pass filter circuit,a formula to calculate characteristic frequencies is offered.

为了消除这些信号所产生的不良影响，人们最先想到的就是利用一个理想的带通滤波器，将这些干扰信号全部剔除。

Laminated capacitive coupling band pass filter was designed using LTCC technology.

采用低温共烧陶瓷技术设计电容耦合形式的带通滤波器。

We give a group of circular filter functions, use genetic algorithm to select the frequency band of larger divisibility value, and design the expression of chromosome and the solution of fitness.

给出了一组圆形滤波函数，并使用遗传算法来选择可分性较大的频段，设计了染色体的表示方式和适应度的求法。

In the algorithm of target pick-up, firstly, the disturbance is closed off by band block filter. Then, the star aim is distinguished from the background by automation threshold segmentation.

在目标提取算法中，先采用带阻滤波隔离干扰，再采用自动阈值分割区分星点目标与背景，通过聚类分析剔除虚假目标干扰后，采用质心算法计算星点目标的质心坐标。

If the system is narrow band system,the noise is color noise and matching filter cannot be used.

如果系统是窄带系统，噪声为色噪声，无法使用匹配滤波器，不能提高信噪比。

Combination of room acoustics characteristics of the different sub-band FIR filter length filtering, limited resources in a more rational distribution, saving resources and computation, and to some extent improve the convergence rate.

结合房间声学的特点，对各子带采用不同长度的FIR 滤波器进行滤波，将有限的资源进行更合理的分配，节省了资源和计算量，并在一定程度上提高了收敛速度。

This paper proposed to use elliptical Gabor filter with least redundancy to convolute with palmprint,sub-bands with 4 scales and 6 directions are obtained,calculate the average and deviation of every sub-band,48D texture feature is extracted,and normalize the 48D feature in the whole database,finally use distance of absolute value to measure the difference between two feature vector.The result shows the arithmetic proposed by this paper has a little high retrieval accuracy.

本文采用最小冗余度的椭圆Gabor滤波器组对掌纹图像滤波，得到4个尺度6个方向的子带，计算每个子带的均值与方差，得到48维的纹理特征，在整个数据库中对48维特征进行归一化，最后采用绝对值距离衡量不同特征向量间的差异。

It is concluded that one can use the IC trimming skills to correct the center frequency error of the band- pass filter that is due to the IC process variance, and then use a self-compensation bias circuit to ...

此一误差限制了本文所提出的滤波器使用范围，但在 Low -Q 滤波器应用上具有多方面的优点。根据本文所提出设计方法所设计的 GM-C 滤波器，具有。。。

At the same time, the thesis points out more calculated data and more accurate on fire localization results. It is beneficial to decrease fire localization error by increasing band width of FIR filter to solve the problem of insufficient sampling points at an early stage of fire.

本文还通过仿真结果指出在带通滤波器的基础上，计算点数越多，定位估计就越准确；在火灾前期，输入的采样点数不够多的情况下，适当加宽带通滤波器的频率上限，有助于减小火灾定位误差。

The background of sample images was removed by the Method of Maximum Classes Square Error in the red color band of the RGB image and noise was eliminated by median filter.

2通过对样本图像的分析对比，本研究使用R分量的最大方差自动取阈值分割算法消除背景，用中值滤波器快速算法去除图像中的噪声，改善图像质量。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。