Use of Radial Velocity Measurements in Kalman Filter

径向 速度测量在Kalman 滤波中的应用

The observable degrees of the system states are the key indexes to check the convergence accuracy and velocity of designed Kalman filter .

系统状态的可观测度是检验所设计的Kalman 滤波器的收敛精度和 速度的重要指标。

CONCLUSION : For those non stochastic signals of certain physical explanation the curves of smoothed velocity and acceleration after smooth filter obtained after decomposition by the wavelet packet are more suitable for the state analysis of dynamic system .

结论：对于有明确物理意义的非随机信号，经小波包分解得到的各种平滑 滤波后的 速度曲线和加速度曲线，更适合用于进行动力学系统的状态分析；

The improved PID algorithm M method of velocity detecting ADC digital filter about current sampling and Phase-Exchanged procedures were compiled completely .

编写了改进型PID控制算法程序、M法 测速程序、ADC电流采样数字 滤波程序和电机换相程序。

The effects of superficial gas velocity filter media flow rate and dust content in gas on collection efficiency of the cross-flow moving granular bed filter were investigated experimentally and the effect of dust deposition in the granular bed was also discussed .

研究了气固错流移动颗粒床过滤器除尘效率与表观 过滤气 速、颗粒层移动速度、 过滤气体粉尘含量的关系，并进一步探讨了粉尘在颗粒层内的沉积对除尘效果的影响。

The effects of the parameters such as length travell and velocity of the filter 's trays etc.

讨论了水平真空带式 过滤机用于 过滤过程的放大时，真空 滤盘的长度、滤盘的行程、连 度等参数对生产能力和操作费用的影响。

A study on signals detected by angle velocity meter digital filter processing

角 速度计检测信号数字 滤波处理的研究

Under the assumption of that the temperature fluctuation is white noise the characteristics of time-frequency-domain of the thermocouple space filter and effects of thermocouple time constant on them are analysed . A simplified theoretical model of measuring flow velocity by using thermocouple spatial filter is developed .

在流体热噪声为白噪声的假设下，分析了热电偶空间滤波器的时间频域特性及热电偶时间常数对其影响，提出了热电偶空间 滤波器检测 流速的简化理论模型。

To detect moving point targets in low SNR a new detection method & Multistage Velocity Matching Algorithm is presented . In the algorithm target energy is accumulated by use of Velocity Matching Filter recursively .

针对低信噪比下运动点目标检测这一难题，提出了一种新算法&分段复合速度匹配法，该方法通过递推使用 速度匹配 滤波器有效地实现了目标的能量累加。

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 .

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。

Presents the determination of overspreading rate sectional wind velocity and terminal filter efficiency in unidirectional flow clean room design and the calculation and selection of pre-fliter .

介绍了单向流洁净室设计中满布率、断面 风速、末端 过滤器效率的确定以及预过滤器的效率计算和选择。

A new algorithm is developed to incorporate the radial velocity measurement into Kalman filter in the case of correlation between range and radial velocity measurement noises .

研究在距离和径向速度测量噪声统计相关的情形下把径向 速度测量引入Kalman 滤波的新方法。

At the condition of rated air velocity pre filter media can be used for1 to2 months .

在额定 风量使用条件下，可以正常使用1~2个月，即需更换 过滤棉；

The law of alumina depositing on the bag and HF adsorption by alumina layer are experimentally studied ; the relationship between dust layer thickness vertical distribution and the average filtration velocity dust content filter time and the length of filter bag are fit with equations .

实验研究了氧化铝在布袋上沉积、布袋过滤压降和沉积层吸附HF的规律；拟合了粉尘沉积层厚度分布与平均过滤 速度、粉尘含量、单位 过滤面积加料量及布袋长度的关系式。

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 .

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。

The experimental research for the relation of filtration interception coefficient with filtration velocity and diameter of filter material was made by use of double facter test about filtration velocity and diameter of filter material . The mathematic model under the certain condition was presented in the paper .

通过对滤速v和 滤层滤料粒径d进行双因素试验，研究了直接过滤时过滤截留系数与滤 速、 滤层粒径的关系，建立了一定条件下的数学模型。

At the same time the experiments and theory calculation of HEPA media leak indicate the effect of the leak size and infiltration velocity on the HEPA filter media efficiency .

同时，对高效滤料漏点的实验和理论计算说明了漏点大小、滤 速对高效 滤料效率的影响，并对如何发现高效滤料的漏点提出了建议。

In addition some tests on the function parameters such as the filtering velocity of the GAC filter the function pressure of the NF membrane and the using rate of the discharged water have been done to determine the optimal values .

另外，试验对处理系统中的炭 滤 器滤 速、纳滤膜工作压力以及浓水回流率等运行参数的确定作了探讨性的研究。

This method takes the matching error between the motion image and the velocity filter as the adaptability function .

把运动图象对 速度 滤波器的匹配误差作为遗传算法中的适应度函数。

Video Processing Method of Velocity Measurement Using Spatial Filter

空间 滤波 测速的视频方法

A series of experiments have been made to study on influence factors of kinetic degradation fluxion ( KDF ) medium for heavy metal ion removal such as filtering velocity thickness of the filter bed and detention time .

对KDF 滤料去除饮用水中微量重金属离子的影响因素进行了一系列的实验研究，分析了不同滤 速、柱高下的去除率及相互影响情况，讨论了停留时间对去除率的影响。

The filter velocity is quick the filter liquor is clarified and penicillin content is low .

过滤 速度快， 滤液澄清，效价低。

Emulation Analysis of Gas flow Velocity Distribution on Bag Filter with Six Rooms

六个室袋式 除尘 器系统 流场仿真分析

The purpose of this study was to explore the SINS / GPS position velocity mix mode Kalman filter data fusion techniques to improve the accuracy of vehicle navigation problem .

本论文研究目的是探讨SINS/GPS位置 速度组合模式下应用卡尔曼 滤波技术进行数据融合提高载体导航精度的问题。

But when measurement data influenced by outliers filtering convergence velocity becomes slow and the filter even diverges .

当测量值存在野值时， 滤波收敛 变慢甚至发散。

The same height of radial velocity is asymmetry the filter bag of radial velocity is the largest .

同一高度的径向 速度不相同、不对称， 滤袋处的径向速度最大。

By using the wheel speed signals and vehicle body acceleration signal the system state equations and measurement equations are implemented and the vehicle velocity is estimated by the Kalman Filter technology .

利用汽车轮速信号和车身加速度信号，建立了系统状态方程和测量方程，并用卡尔曼 滤波技术来估计 车速。

Ensure that the gas flow velocity of the bag filter is less than or equal to 1.2m/s in engineering applications the gas flow deviation of every filter bag cell is less than or equal to 10 % .

工程应用要求保证电改袋式除尘 器迎面气流 速度≤1.2m/s，各 滤袋单元处理气体流量分配偏差≤10%。

Aiming at the high filtration efficiency approaches the paper analyzed the effect of gas velocity and shape of channel on filter efficiency by numerical simulation .

该文以探讨高效的过滤途径为目的，通过数值模拟的方法，分析了不同的气流 速度和不同的通道形状对陶瓷 过滤器除尘效率的影响。