如果在叠加剖面上仍有较强的线性干扰，还要再做一次二维滤波。
The second-pass 2D filtering is necessary when quite strong linear noise still remains on stacked seismic section.
最小二乘法均衡滤波器是二维滤波器，其滤波窗口是一个面积单元。
The least square method equalization filter is a kind of 2D filter; its filtering window is surface area element.
对光栅的布拉格衍射条件以及偏振对二维滤波的影响进行了理论分析。
The Bragg's condition and effect of polarization on performances of the two-dimension filter are also discussed.
本文论述了两种消去多次波的处理方法。即相干加强方法和二维滤波方法。
This paper discusses the two methods for suppression of. multiple waves, namely, coherence emphasis method and two dimensional filtering method.
本文对原方法的主要改进点是把相位移法与频率域二维滤波结合在一起进行运算。
Improvement to the old method formulated in this paper mainly lies in the combination of phase displacement method with frequency two-dimensional filtering in making operation.
这种可视化处理过程，形象直观，便于理解和学习图像处理过程、二维滤波器系统特征。
It may modify one or more parameters to study the character and effects of 2-dimension filter system.
重点介绍了提高执行效率所采用的相移因子造表，变延拓步长，二维滤波等几种方法和试验结果。
The main points of this paper were- the table of the phase-shift factors, the variation of the continuation step length and the technique of the two-dimensional filtering.
中值滤波较通常的二维视速度滤波更能有效地突出波组特征，分离VSP波场的效果也较二维滤波优越。
Median filtering can highlight wave band better than 2-d velocity filtering does. It also causes a better VSP wave field separation.
此外，考虑到实际平台运动速度的波动，本文又提出通过空域插值获得等效阵元信号进行空时二维滤波的方法。
Moreover, interpolation in spatial domain is proposed to retrieve signal for space time processing in consideration of the vibration of platform motion.
针对PGPR回波中直达波的特性，尝试用二维滤波、模板滤波和水平高通滤波去除PGPR直达波并分析各个方法的利弊。
According to characteristic of direct wave in PGPR echo, 2d filtering, matrix filtering and horizontal high pass filtering are tried to remove direct wave in PGPR echo.
本文考虑二维FIR滤波器的约束最小二乘设计问题。
Constrained least-squares design of two-dimensional FIR filters is considered in this paper.
给出了一种二维fir数字滤波器的优化设计方法。
An optimized method for the design of two-dimensional FIR digital filters is proposed.
论文基于这一思想，从二维平滑函数出发，并根据尺度呈级数变化的特点，导出了一组多尺度小波滤波器。
According to the peculiarity that the scale exhibit progressional variety, this paper deduces a group of multiscale wavelet filter from two dimensions smooth function.
对于因雷达系统本身原因而产生的一些非周期不规则条纹噪声进行讨论，针对此类噪声提出一种二维频域区域滤波的算法。
We discuss the nonperiodic abnormal stripe noise due to the spaceborne SAR system itself, and present an area filtering method in two-dimensional frequency domain.
利用二维傅里叶变换进行方向滤波，较好地消除了南极地区影像上的条带噪声。
This paper presents a method that can remove streaking noise better by means of direction filtering based on two dimension Fourier transform.
本文叙述了二维光学微分处理的原理、滤波器的制作以及微分处理的实验结果。
The principle of a two-dimensional optical differentiation processing together with the preparation of filter and the experimental results of differentiation processing are given.
本文针对预警机雷达 ，提出了一种递推式空时二维自适应滤波器。
For AEW radar, a new space time adaptive filter with recursive algorithm has been proposed.
它包括二维匹配滤波预处理以增强血管的灰度，以及用灰度-梯度共生矩阵的最大熵阈值化方法。
Entropy thresholding method is an automatic technique for thresholding of digital images based on gray level-gradient co-occurrence matrix and the maximum entropy principle.
误差图像进行分形矢量量化编码时，使用设计的自适应二维维纳数字滤波器，对收缩的均值图像进行滤波后，可构造好的码书。
When coding the erroneous image by fractal vector quantization, a self-adaptive 2-d wiener digital filter to filtrate the contracted mean value image, which can result into a good quality codebook.
将一维信号的自适应冲激噪声滤波算法扩展到二维空间，并改进以应用到图像噪声滤波。
An impulse noise filter for 1d signal has been introduced and then extended for the image proceeding.
首先分析了红外小目标、噪声及其杂波特性，提出了用小窗口的二维中值滤波进行背景估计；
Firstly, a background estimation method based on small window and two dimension median filter is presented after detail analysis of the model of small infrared target, noise and clutter.
因此，作者将二维扇形滤波方法做了近一步的改善，引入了频率—波数域内带通切饼式滤波方法。
So the author improves the 2-d sector filtering method, introduces the bang-transit and cake-cut filtering method in frequency - wave count area.
为了提高合成孔径雷达(SAR)图像相干斑抑制能力，建立了二维双通道滤波器组多级结构的相干斑抑制模型。
In order to improve the capability of Synthetic Aperture Radar (SAR) speckle reduction, the speckle reduction model of a 2d two-channel filter bank multiscale structure is presented.
本之将二维递归数字滤波器的时域设计转化为二维线性移不变差分模型的辨识问题。
A new design method in time domain for two-dimensional recursive digital filters is established in this paper.
本文研究具有任意频响特性的二维fir数字滤波器的最小二乘设计问题。
In this paper, the least-square design problem of 2-d FIR digital filters with arbitrary frequency responses is studied.
本文是通过分析与计算机模拟，介绍一种用于向HDTV兼容过渡的系统制式的二维信号滤波设计。
This paper through analysis and computer simulation, introduces a design of 2-D digital filter used in a compatible HDTV system.
提出一种线性相位二维递归数字滤波器组的设计方法。
A design approach cf linear phase 2-d recursive digital filter Banks has been proposed in the paper.
针对地震信号随机干扰的特点，运用二维小波变换的理论，设计了相应的变换域去噪滤波器。
A filter is designed to attenuating noise in accordance with the characteristics of seismic signals having a random disturbance with the theory of the 2-d wavelet transform.
基于二维光子晶体波导与点缺陷微腔共振耦合原理，设计了一种利用共振微腔作为反射的6 -信道下载滤波器。
A 6-channel drop filter with resonant micro-cavity reflector is designed based on the resonant coupled theory between the 2d photonic crystal waveguide and the 2d photonic crystal micro-cavity.
基于二维光子晶体波导与点缺陷微腔共振耦合原理，设计了一种利用共振微腔作为反射的6 -信道下载滤波器。
A 6-channel drop filter with resonant micro-cavity reflector is designed based on the resonant coupled theory between the 2d photonic crystal waveguide and the 2d photonic crystal micro-cavity.
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