空间滤波

基于MATLAB环境的阿贝-波特空间滤波实验仿真

Simulation of Abbe-Baud Spatial Filtering Experiment based on MATLAB

CDMA通信中空间滤波和波束赋形的性能

Performance of Spatial Filtering and Beamforming in CDMA Communications

用白光空间滤波系统检查IC掩模缺陷

Spotting IC Photomask Defects by Using White Light Spatial Filter Processor

基于特征子空间滤波的SAR窄带干扰抑制方法

Narrow Band Interference Suppression for SAR Using Eigen-Subspace Based Filtering

CCD器件空间滤波在微粒运动速度检测上的应用

The Application of CCD Spacial Filtering in the Detection of Particle Velocity

提出了一种利用MATLAB软件并通过计算机仿真光学空间滤波实验过程的新方法。

A novel method based on MATLAB to simulate the optical image filtering process with computer is presented .

提出一种全新的基于空间滤波理论的正则化方法，它不依赖于阻抗分布的先验估计，因此它比最大后验（MAP）正则化方法易于实现；

We developed a new regularization method based on the spatial filtering theory , which is independent on the estimation of impedance distribution .

根据脑电数据特征，提出了由CommonAverageReference（CAR）空间滤波预处理和传统锁相位计算两部分构成的脑电信号分析策略。

According to the characteristics of EEG , an analysis strategy including common average reference ( CAR ) spatial filtering and traditional phase locking value calculating was proposed .

本文介绍一种使用空间滤波的实时单一镜头白光信息处理系统来检查IC光刻掩模缺陷的方法。

A real-time one-lens white light information processing system is described in which spatial filtering is used to spot defects on IC photomasks .

这一新的Y·C分离方法较已有的方法性能优良，且避免了自适应空间滤波法〔1〕中画面活动检测的困难。

The new method behaves better in Y · C separation efficiency than the traditional ones . Moreover , it can avoid the trouble of motion-detection in the adaptive space filtering [ 1 ] .

修正MUSIC算法和空域滤波法相比，修正MUSIC算法计算量小，而空间滤波法去相关能力较强，但需要更大的计算量，并且需要先进行预估计。

Modified MUSIC algorithm has less compute and spatial filtering has stronger power of decorrelation coherent but need more compute and preliminary estimation , when Modified MUSIC algorithm is compared with spatial filtering algorithm .

Schlieren方法中的二维空间滤波效应

Effect of 2 D Spatial Filtering in Schlieren Methods

软件部分主要有FPGA信号采样、动态滤波、包络检波、对数压缩、非均匀校正；DSP完成图像的空间滤波、帧相关、灰阶映射和存储。

The software section performs signal sampling , dynamic filtering , envelope detection , logarithmic compression , and non-uniformity correction in the FPGA , and image interpolation , amplification , noise removal , storage in the DSP .

CDMA系统容量是干扰受限的，通过功率控制、多用户检测（时间滤波）和接收波束成形（空间滤波）三种方法的复合使用可以增加CDMA系统的容量。

CDMA systems are interference limited . Several methods through power control , multi-user detection ( temporal filtering ) and receiver beam-forming ( spatial filtering ) can increase the capacity of CDMA systems .

选择4f空间滤波系统，在一定参数下拍摄到了比较清晰的熔池反射变形激光条纹图像。

Select 4f spatial filtering system , under such circumstances , clear weld pool surface deformed laser stripe images are captured .

基于静态PPP技术解算了区域CORS的坐标时间序列，在区域空间滤波的基础上，分析了GPS基准站的周期特性和噪声特性。

Based on the static PPP , time series of regional CORS are solved . After regional spatial filtering , periodic and noise characteristics of GPS base stations are analyzed .

介绍了一种基于小波变换的SAR图像噪声消除方法，充分考虑噪声的统计特征，并把小波变换与空间滤波两者有机结合起来。

This paper introduce a method based on wavelet transform for removing the noise of the SAR image , with full consideration of the statistic characteristic of the speckle noise and combination of the wavelet transform with the spatial filter .

基于结构照明和匹配空间滤波的方法：首先通过结构照明，由CCD摄像机获取参考物体不同方位的输入图像序列，该图像序列通过变形条纹编码的方法携带了物体的三维信息；

In method based on structured light projection and MF : Firstly , by structured light illumination , the input images of reference object in all directions are acquired by CCD camera , which contained the 3-D information by means of the distorted fringe encoding ;

分析了4f相干光学成像系统的工作原理，并以此建立了空间滤波仿真算法，实现了低通、高通、带通和方向滤波仿真实验。

The 4f imaging system theory has been discussed in this paper , based on which we establish a spatial filtering simulation algorithm and achieve the low pass , high pass , band-pass filter simulation .

基于二维DOA估计问题，研究了阵列天线的空间滤波性能，提出了二维DOA估计的高分辨阵列（HRA）模型，使有限的阵元具有最佳的空间分辨力。

Based on the 2 D DOA estimation , the spatial filtering capability of the array antenna is studied . A high resolution array model ( HRA ) is proposed . The research results show that HRA has the highest spatial resolution .

该文分析了常见的窄带干扰（NBI）的特性，并提出了一种基于回波数据特征子空间滤波的干扰抑制方法。

This paper analyzes the characteristics of the common Narrow Band Interference ( NBI ) . A new approach for NBI suppression is proposed , which uses eigen-subspace based filtering on the echo data of SAR .

本文分析了60Co集装箱检测图像的特点，提出了集装箱图像的几种特殊处理方法。设计了各种常规的二维数字图像处理算法，包括灰度增强、伪彩色增强、空间滤波、边缘增强、几何处理等。

This paper analyzes the features of 60 Co container inspection image , the design of several special processing methods for container image and some normal processing methods for two dimensional digital image , including gray enhancement , pseudo enhancement , space filter , edge enhancement , geometry process , etc.

讨论了傅里叶变换的缺点及小波变换的定义和性质，分析了加窗傅里叶变换和小波变换的特点，用4f空间滤波系统实现了二维小波变换。

The shortcoming of Fourier transform , and the feature and definition of wavelet transform are discussed in detail . Then the characteristic of Gabor and wavelet transform has been analyzed respectively . Finally , the transformation of 2-dimensional wavelet is implemented with the 4f spatial filtering system .

详细分析了轨道地表穿透合成孔径雷达（Rail-GPSAR）所受到的各种干扰的特性，发现特征子空间滤波法能够有效地同时滤除射频干扰（RFI）和耦合杂波。

This paper analyses the characteristics of the clutter of a rail Ground Penetrating Synthetic Aperture Radar ( Rail-GPSAR ) . An approach for clutter suppression is proposed , which uses eigen-subspace based filtering to degrade both the Radio Frequency Interference ( RFI ) and the coupling clutter .

基于空间滤波测量气垫导轨上滑块的运行速度

Measuring velocity of glider on air track based on spatial filtering

光栅横向剪切干涉中的空间滤波及其应用

Spatial Filter in the Grating Lateral Shearing Interference and its Application

脑-机接口中基于ERS/ERD的自适应空间滤波算法

Adaptive Spatial Filter Based on ERD / ERS for Brain-Computer Interfaces

尺度空间滤波在局部放电脉冲提取中的应用

Application of scale space filtering technique in partial discharge pulse extraction

静电传感器空间滤波效应及频率响应特性

Spatial filtering effect and frequency response characteristics of electrodynamic sensor

空间滤波实验中光栅像频率变化的讨论

Discussion About Variations in Frequency of Grating Image in Spatial Filtering Experiment