速度滤波

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 .

为了消除端点和假频影响，文中采用了双曲线速度滤波法和相似系数法。

Hyperbolic velocity filtering and similar coefficient method are introduced to remove the influences resulting from end-point effect and alias .

通过实例说明了用二维速度滤波方法可以消除VSR资料上的这种干扰波，处理后的VSP解编记录完全可同正常井中采集的VSP资料媲美。

From example given , it elucidates that such interference can be removed from VSP data by using 2-D Filtering method . The multiplexed record after being processed is as good as the VSP data normally collected from downhole .

为克服面波压制方法的缺点，使用联合滤波方法对面波进行压制，并提出了f-k滤波的参数选取改进算法-频率-视速度滤波方法。

Using the united methods to suppress surface waves , to overcome the disadvantages . In addition , a improvement F-K filter method velocity filtering method ( frequency - apparent velocity filter ) is proposed .

从阵列信号处理的角度对地震勘探中一些重要的信号处理方法进行了较为全面的总结，包括地震勘探中的阵列设计、常用的抗干扰技术，组合法、叠加法、速度滤波和反滤波等。

In light of array signal processing , the authors made a complete summarization on some key signal processing techniques in the fields of seismic exploration , including array design , the conventional anti-jamming technology , combination method , stacking method , velocity filtering and anti-filtering and so on .

根据仿真实验结果，得到了最优小波滤波方法，并研究了提升方案（LiftingScheme）对于计算速度及滤波效果的影响。

By the experiment results , the optimal wavelet method is obtained . Then , Lifting Scheme has been used to compare its effect on computing speed and denoising .

对位置和速度进行滤波的实时跟踪算法

A Real Time Tracking Algorithm with Position and Rate Measurements

遥感相机象移速度的滤波处理

Filtering Processing for Image Motion Speed of Remote Sensing Camera

基于星敏感器四元数的卫星角速度预测滤波算法

Star - Sensor - Quaternion based Predictive Filtering for Attitude Rate Estimator

实验仿真结果显示，该算法优化后的柔性形态滤波器性能得到较大改善，在收敛速度和滤波效果方面，其优化结果要优于简单的遗传算法。

Simulation experiments show that optimized soft morphological filters are highly improved and their optimal results are better in terms of convergence speed and filtering effectiveness than images processed using a simple genetic algorithm .

仿真研究结果表明，在测量噪声强度较小时，H∞滤波方法的显著特点是估计速度优于Kalman滤波，其估计精度略低于Kalman滤波。

Simulation shows that if measurement noise is small , the outstanding feature of H_ ∞ filter is superior to Kalman filtering in estimation speed , but its estimation accuracy is slightly lower than Kalman filter .

为了减小信道环境中阴影衰落的影响，实现了滤波过程，结合LTE系统级仿真平台对不同速度下的滤波参数进行确定。

To reduce the impact of the Shadow fading environment , the filter process is utilized . The filter parameters for the different speeds are determined by LTE system level simulation platform .

换言之，卡尔曼滤波对于噪声的不确定性是具有一定的鲁棒性的，并且就估计精度而言，其鲁棒性优于H∞滤波，但H∞滤波的估计速度优于卡尔曼滤波。

In other words , Kalman filter is of robust performance in respect to noise uncertainty , and Kalman filter is superior to H ∞ filter in terms of estimate accuracy , but H ∞ filter is superior to Kalman filter in terms of estimate speed .

压制叠前相干噪音的速度变换域滤波方法

Prestack coherent noise suppression via filtering in different velocity domains

提出利用自适应滤波技术对时变的振动速度信号进行滤波，提高速度反馈的主动阻尼控制算法的稳定性，实现悬臂梁振动的有效抑制。

It applied the adaptive filter to the vibration velocity signal , and efficiently improved the performances of the active constrained damping control .

与中值滤波相比，矢量中值滤波的最大特点是：在每个时窗位置处滤波后的输出是M个数据元素，因而运算速度是中值滤波的M倍。

Compared with MF , VMF has a major advantage : VMF is M times as fast as MF because VMF outputs M elements in each window .

这几种算法都有响应速度快、滤波精度高和工作量小等优点，适合于在低挡机上实现。

And as these algorithms have the advantages of fast respondence , high accuracy and less calculation amount , calculation can be done with a cheap microcomputer .

本文采用线性拟合方式周期性地计算和调整经验模型分类中的简化模型的参数。（2）提出了基于速度常量的滤波算法。

The RSSI-distance model in this paper calculates and adjusts parameters periodically . ( 2 ) A filtering algorithm which is based on constant velocity is proposed in this paper .

利用实际航路数据比较四种情况下的目标位置估计性能以及对目标速度的惯性滤波性能，分析了有色噪声近似等效白噪声的参数条件和减弱噪声相关性的方法。

Finally , the tracking performances in four noise conditions are compared via practical data , and parameter condition is analyzed in which the colored noise can be seen as white . Besides , inertial filter improves the estimate performance of the target velocity .

此方法具有处理速度快，滤波效果好，通用性高的特点，可应用于多种信号的实时处理.最优货币区和货币区的收益与成本分析是建立区域货币联盟可行性分析的两种理论。

The method has a high processing speed with high filtering efficiency , common currency for different kinds of signals in real-time processing . Optimum Currency Areas and Cost-Benefit Analysis are the main theories available for use as frameworks in feasibility studies of forming regional Common Currency Areas .

径向速度测量在Kalman滤波中的应用

Use of Radial Velocity Measurements in Kalman Filter

采用BP神经网络滤波的优点是：数据并行计算速度快，在滤波时不需要初始数据。

Adopting BP neural network has lots of advantages , such as fast speed in parallel calculating for the real-time data and no initial data is required for the filter .

该系统在可编程PID整定的基础上，提供了速度、加速度前馈滤波，以保证系统的静态精度和动态性能。

On the basis of the programmable PID tuning , a filter of speed and acceleration feedforward is provided to insure the static accuracy and dynamic performance of the system .

与标准的最小均方（LMS，least-mean-square）算法相比，该算法具有较快的收敛速度和较好的滤波性能。

In comparison with the standard least mean square ( LMS ) algorithm , the new algorithm is of faster convergence speed and better equalization performance .

研究在LFM信号波形下把径向速度测量引入Kalman滤波的新方法，分析了LFM信号波形下距离和径向速度测量的统计特性。

A new algorithm is developed to incorporate radial velocity measurement into a Kalman filter for the LFM signal waveform . An analysis is given about the statistical properties of the range and radial velocity measurements .

稳像火控中目标角速度测量误差及滤波方法

Target Angular Velocity Measuring Errors in the Image Stabilizing Fire Control System and the Eliminating Methods

该方法采用回波多普勒信号的功率、速度方差及其壁滤波之后的功率、速度方差共四个量作为判别参数。

Four discrimination parameters including the power and velocity variance before and after wall filtering were adopted in the method .

然而在实际工程中，因原始数据质量问题，自适应滤波同样存在收敛速度慢甚至于滤波发散问题。

But in project , adaptive filter may be converge slowly or even diverge because of the unacceptable quality of the original data .

针对组合导航中的滤波技术，本文在工程背景下，深入研究了位置、速度组合的卡尔曼滤波算法，并完成算法实现。

Due to its feasibility and convenience , Position-Velocity Integrated Kalman Filer is selected as the filter algorithm used in the project and successfully implemented .

叙述了卡尔曼滤波和有限记忆滤波算法，并给出对目标速度估计的惯性滤波算法。

Kalman filter and limited memory filter are described , and a new filter called inertial filter is given , to estimate the velocity of the target .