An innovative image enhancement technique of coherence cube based on coherent filtering is presented in this paper.
文章提出了一种新的基于相干滤波的相干体图像增强技术,通过对相干体进行相干噪声滤波处理来压制不需要的低相干带和随机噪声带来的干扰,从而使得在进行相干分析时可以使用较少的地震道和较短的分析时窗来获取高分辨率和高信噪比的断层信息。
The method in the on-line harmonics analysis is introduced briefly,setup the signal mathematic models in the on-line harmonics analysis including the adding noise and modulating noise,the paper states the specific harmonics analysis technical scheme based on the optimization correlative filter theory realized by digital-analog mixed multiplier.
介绍了基于数字模拟混合乘法器实现的最优相关滤波的谐波分析仪技术方案,通过电路原理分析,给出了谐波分析测量仪的具体实现方法,并做出结论。
To improve the measuring accuracy of the electrical equipment dielectric loss angle,this paper introduces the use of optimization correlative filter to get the basal frequency signal and the use of the short time Fourier transform(STFT) interpolation harmonic method to restrain the influence of the long frequency chart leak.
为提高电气设备介质损耗角的测量精度,利用最优相关滤波法提取基波信号,通过短时傅里叶变换(STFT)插值谐波方法,抑制长频谱泄露的影响。
Moire fringe multiplication of superimposed gratings in coherent filtering system
迭合栅云纹在相干滤波系统中的倍增
Digital Intermediate Frequency Quadrature Coherent Detection System Based on Polyphase Filtering
基于多相滤波的数字中频正交相干检波系统
Study of Iterative Filtering Algorithm for Speckle Noise of SAR Image;
SAR图像相干斑噪声迭代滤波算法研究
Speckle Reduction for Polarimetric SAR Images by Improved Lee Filter
极化SAR改进Lee滤波相干斑抑制研究
Investigations of the Quantum Interference in Multi-Level Atomic Systems and Interference Filter;
多能级原子中量子相干及干涉滤波器的研究
Research on Speckle Filtering Algorithms of SAR Image;
合成孔径雷达图像相干斑滤波算法研究
Study on the Adaptive Filter Based on Partial Time-domain Coherence Algorithm;
基于偏时域相干算法的自适应滤波研究
Calculation of Coherent Combination Based on Self-imaging Confocal resonator
自成像共焦腔相干合成空间滤波器设计
A Locally Adaptive Filter for Noise Filtering of InSAR Interferogram
一种局部自适应的干涉相位图滤波方法
The principal advantage over the dual filter coherent detection is a four-fold reduction in bandwidth.
与双滤波器相干检波相比的主要优点是带宽减少了四分之三.
The Speckle Reduction of SAR Based on Wavelet Transform and Median Filter
基于小波变换和中值滤波相结合的SAR图像相干斑的抑制
Research on Filtering and Phase Unwrapping Techniques of D-InSAR in Low-correlation Areas;
低相干区的干涉雷达数据处理中滤波与相位解缠方法技术研究
A uniform coherent light source, a filter and a receiving screen are designed in computer.
在计算机上模拟一个均匀相干光源、个滤波器和一个接收屏。
Applied Study of Filtering Method for Electronic Speckle Pattern Interferometry Fringes Patterns and Phase Patterns;
电子散斑干涉条纹图和相位图滤波方法的应用研究
Structure-Preserving Speckle Reduction of Using Nonlocal Means Filter
基于非局部均值滤波的结构保持相干斑噪声抑制方法
optical matched-filter imagecorrelator
光学匹配滤波像相关器
Power Filter and EMI-Filter Module and Its Application
电源滤波器和电磁干扰滤波模块及应用
A Filtering Method for Flying Around Satellite Autonomous Relative Navigation Based on Unscented Kalman Filter
基于Unscented滤波的伴飞卫星自主相对导航滤波器