Study on a Calibration Method Based on Kallman Filter for Locking of Intramedullary Nail 基于卡尔曼滤波的髓内钉锁孔操作标定方法研究
Study on Broadband Multichannel Calibration Technique Based on the Self-adaptive Filter 基于自适应滤波的宽带多信道校准技术研究
Digital offset calibration, software filter technique and watchdog circuit are adopted to ensure stability and reliability. 使用数字校零、软件滤波和看门狗技术保证模块运行的稳定性和可靠性。
First the dynamic calibration of the force transducer was completed, then the dynamic mathematic model of measuring system was build. According to the mathematic model, compensated filter was designed and the compensation was verified by the computer simulation. 首先对测力传感器进行动态标定,建立测试系统的动态数学模型,然后根据数学模型设计补偿滤波器,并进行计算机补偿仿真验证。
Problems about the principle and method of the measurements, camera calibration, acquisition of images, filter and smooth of images is discussed at first when use a video-based analysis system to study human movement. 文中首先论述了摄像系统进行人体运动信息检测的原理、方法及相关的摄像机标定、数字图像的采集及数据平滑、多机同步等问题进行了全面的论述。
Precipitation Calibration by Using Kalman Filter to Determine the Coefficients of the Variational Equation 用卡尔曼滤波确定变分方法中的权重系数进行雨量校正
The system includes camera calibration, picture collection, filter of noise in working environment, image processing, position error calculation and adjusting. 这一完整的视觉伺服系统能够实现包括摄像机定标、图像采集、滤波、视觉特征提取以及偏差计算和调整等功能。
The digital calibration and filter, temperature compensation are achieved by software. 软件中采用了数字校准和数字滤波技术,并具有软件温度补偿功能。
On the basis of dynamic calibration, the application of the dynamic compensation digital filter technique will improve the dynamic characteristics, and thus its response time is shortened and the frequency band is broadened. 在对高频压力探针进行动态校准的基础上,利用动态补偿数字滤波器技术展宽高频压力探针的工作频带从而改善高频压力探针的动态特性,提高了高频压力探针的响应速度。
A method of dynamic calibration and performance improvement for sensor and test system is introduced. The algorithm for establishing the dynamic mathematic models and the design of compensation filter, and the results of simulation are given. 本文介绍了一种传感器和测试系统动态校准及其性能改进的方法,给出了建立数学模型的算法和动态补偿滤波器的设计方法,并给出了仿真结果。
In this paper, based on mathematical model of nose to nose calibration procedure, G N optimum filter of digital deconvolution, which is applied to nose to nose calibration procedure, is developed under the condition of minimal error power and minimal smoothing power. 本文根据nosetonose校准技术的数学模型,在误差功率和平滑功率最小的条件下,推导出适用于nosetonose校准技术的GN型数字反卷积最佳滤波器。
The experiment results show that wavelength calibration and good Gaussian peak-seek algorithm reduce the wavelength measurement error caused by wavelength nonlinearity of tunable filter and low scanning wavelength resolution. 实验结果表明,波长校准和选择好的寻峰算法分别减小了可调谐滤波器波长输出非线性性及波长扫描精度低带来的测量误差。
The concentration determination abilities of four multivariate calibration methods& classical least squares ( CLS), partial least squares ( PLS), kalman filter method ( KFM) and artificial neural network ( ANN) were compared in this paper. 本文对四种多变量校准方法经典最小二乘法(CLS),偏最小二乘法(PLS),卡尔曼滤波法(KFM)以及人工神经网络法(ANN)在多组分浓度分析方面的性能进行了比较。
The Calibration of Filter Paper Type Smokemeter and the Relation Between its Reading and the Whiteness of its Filter Paper 滤纸式烟度计的刻度方法及滤纸白度与烟度值的关系
A noticeable aspect in calibration of the radon-measuring equipment with two filter 双滤膜法测氡装置刻度中一个值得注意的问题
The embedded software adopts algorithm which is combined with measuring technique and computer technique so that the instrument is capable of self-adjusting to zero, calibration and digital filter. 内嵌的仪表软件采用的算法将测量技术和计算机技术结合起来,使仪表具有自动调零、校准、软件滤波等功能。
This paper proposes an error calibration strategy, using the two-step iterative parameter estimation algorithm to solve this problem, which is combining the non-linear parameters into linear parameter, estimating the states using Kalman filter and then getting the original parameter using Gauss-Newton iterative algorithm. 提出了两步回归迭代算法来解决此问题的思路,即把待估计的非线性参数组合成线性参数,用卡尔曼滤波进行状态估计后,通过Gauss-Newton法解得原非线性参数。
Analog optical colorimeter is used to calibrate correcting filter so as to make it meet luther condition. However, the calibration precision of the filter is influenced by many factors. 光学模拟测色仪采用校正滤色器使仪器满足卢瑟条件,校正滤色器的精度受多种因素的影响。
The principle of the two position alignment method and the calibration of gyro drifts were presented. Then, a lot of experiments were made, the modified Kalman filter algorithm was used in data processing. 重点介绍了双位置初始对准及陀螺测漂的基本原理,进行了大量的实验研究,并采用改良卡尔曼滤波算法进行实验数据的处理。
Suction calibration curve of homemade filter paper 国产滤纸吸力-含水量关系率定曲线的研究
The recovery rate, calibration curve, coefficient of variation of the filter paper method are compared with the direct analytical method. 文中对滤纸洗脱法的回收率、标准曲线、变异系数等均与直接分析法进行了比较。
Finally, the Zhang calibration method was used to get the parameters of binocular stereovision. Secondly, the color object recognition and tracking algorithm based on Kalman Filter was proposed. 对现有的摄像机标定算法做了研究,采用张氏标定法来实现双目立体视觉的参数标定。其次采用采用了一种基于卡尔曼滤波器的彩色目标识别与跟踪算法。
When designing the measurement equations of calibration filter, a method of zero-space amplification is proposed to improve the observability of filter states. 在对标定滤波器的量测方程进行设计时,采用零空间扩增法来改善滤波器中各个陀螺误差状态量的可观测性。
With this method wavelength calibration of Fabry-Perot tunable filter in the whole scanning range can be realized. We can readout the wavelength directly through the optical rotatory dispersion curve. 该方法可实现对法布里-珀罗可调谐滤波器整个扫描波长范围的全程标定,而且是利用旋光色散曲线直接读出波长数值。
A microwave calibration signal is generated by a down-converter in the third loop. ( 2) Active circuits design for the proposed frequency synthesizer is accomplished, including: three PLL and DDS circuit, an active loop filter circuit and power-supply circuit. 完成了锁相频率源有源电路各个功能单元模块的设计,包括:三个锁相环电路及其DDS电路、有源环路滤波器电路和电源电路等。
For the calibration of non-uniform sampling error, the method of fractional delay filter design is given. 对于时间相位误差的校准,给出了分数延时滤波器的设计方法。
A novel FBG vibration sensor demodulation system is designed through demodulation methods comparison. From the validity of calibration simplicity, reusability, and cost considerations, a special long period fiber grating is chosen as demodulation filter. 通过对光纤光栅振动传感解调方案的比较,从有效性、校准简便性、复用性以及成本上考虑,选择长周期光纤光栅作为解调滤波器,设计了光纤光栅振动传感解调系统。