查询词典 lowpass

It has been p roved that the fiber2op t ic confocal senso r system behave as a linear sh ift invariance system, perfo rm s like a lowpass filter and has h igh axial reso lut ion.

结果表明，系统相当于一复振幅线平移不变系统，具有低通特性和层析特性。关键词：共焦显微成像；相干传递函数；光纤传感器；自聚焦透镜；光学检测

The frequency response transformation from a lowpass to a band pass filter is given, the change of the filter susceptance with frequency being taken into account.

给出了低通到带通的频响变换式，这个变换式考虑了滤波器电纳随频率改变。

Gaussian-smoothedfilter is a lowpass, and it controls the lilting effect by 0, and the bigger iT is, the better thefiltering effect becomes.

高斯平滑滤波是一个低通滤波器，它通过口来控制滤波效果，σ越大，滤除噪声的能力就越强。

The lag-orrelation analysis and correlation analysis after lowpass filter of dependable standard chronologies between upper-limit and low-limlt suggest that the tree growing at the upper-limit lags behind that at the low-limit in response to environment factors.

相关分析表明，生长在森林上限的树木对环境因子的响应滞后于森林下限，生长在最大降水高度附近的树木对环境因子响应的敏感性最低。

Defected ground structure ; defect parameters ; lowpass filter ; sharpness factor ; selectivity

缺陷地结构；缺陷参数；低通滤波器；陡峭因子；选择性

The effects of the noisy signal and speech formants for pitch detection are decreased by the 3-order lowpass elliptic filter.

针对直接从带噪语音中难以准确提取线性预测系数的问题，给出了一种基于谱减的带噪语音的线性预测系数提取方法。

First, it gests the bandwidth parameter and center frequency of Gabor filter based on human vision and the size of texture image, constructing the multichannel Gabor filters and extracting the Gabor multitemporal and multidirectional energy features of image in the time and frequency domain and implementing nonlinear transform and Gauss lowpass filtering in the feature space.

首先根据人类视觉特性选定Gabor滤波器的频率带宽参数，利用图像大小确定滤波器的中心频率，构造一组多通道的Gabor滤波器在时域和频域中提取图像多方向和多分辨率的Gabor能量特征，对特征空间进行非线性变换和Gauss滤波处理，最后通过Kmeans方法实现纹理图像的分割。

The digital users signals comprising in-phase component and quadrature component are converted to analog baseband signals by digital-to-analog converters 104 and 114, which are followed by lowpass filters 106 and 116 for removing harmonics at unwanted frequencies.

包括同相分量和正交分量的数字用户信号通过数模转换器104和114转换成模拟基带信号，在数模转换器104和114的后面具有低通滤波器106和116，低通滤波器106和116用于去除在不期望频率处的谐波。

Experimental results show that this algorithm has the good unperceptibility and the strong robustness for the JPEG compression, the spiced salt noise, Gauss lowpass filter, blur, sharpen, cropping and size transformation.

实验结果表明，该算法具有良好的不可感知性，对JPEG压缩、椒盐噪声、高斯低通滤波、模糊、锐化、剪切、尺寸变化等攻击有较强的稳健性。

This thesis presents a small-size and low-insertion-loss balanced diplexer module by using LTCC technique. This module comprises two diplexers, five bandpass filters, a lowpass filter, and two baluns.

在本论文中，利用高介电系数(33)及低损耗性的低温共烧陶瓷材料，设计小尺寸及低损耗的平衡式频率双工器模组。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。