The effect of amplitude and phase error on the performance of receiver is discussed in this paper, and a method of digital correction based on FIR filter is proposed.
本文仔细分析了幅相误差对接收机性能的影响,提出了基于FIR滤波的一种数字域校正的方法。
On the basis of hybrid error model and adopting diminution order method by filter, an adaptive control scheme of hybrid model has been designed for high order system following the low order model.
基于混合误差模型,采用滤波器降阶的方法,设计了一种高阶系统跟踪低阶参考模型的混合模型参考自适应控制方案。
Unscented Kalman filter(UKF) is a new nonlinear filtering method which does not linearize the equations thus avoiding the error due to the linearization.
不敏卡尔曼滤波(UKF)是一种新的非线性滤波的方法,它能减少线性化截断误差对系统定位精度的影响。
The method mentioned above is the Blltterworth approximate, which is applied to approximately analyze the filter error distributing.
这种分析滤波器误差分布近似的方法就是勃脱华兹近似。
Unified fixed point coordinate transformation (UFP-CT), and a novel zero steady-state error current control method for active power filter (APF) based on UFP-CT were proposed.
提出一种统一定点坐标变换和基于该变换的有源电力滤波器零稳态误差电流控制方法。
The Predictive Filter is an estimation method based on nonlinear system model, which determines the optimal model error using a one-step ahead control approach to provide accurate state estimations.
预测滤波器是一种基于非线性系统模型的滤波方法,它通过使输出一步前向预测误差最小来估计模型误差,具有较高的估计精度。
A method is advanced to avoid of filter diffusion by using residual error prediction.
提出一种基于预报残差方法来检测滤波发散问题。
The effect of the random growth error on the transmission performance of the double half-wave filter with flat-top response is studied, with the transmission matrix method.
采用传输矩阵的方法,研究了随机生长误差对双腔型平顶滤波器透射特性的影响。
Output error method (OEM) and equation error method (EEM) was desired for adaptive IIR filter design.
分别讨论输出误差法(OEM)和方程误差法(EEM)在设计自适应滤波器的应用。
Constituted the speed closed-loop system with the speed feedback, used the low pass filter method to reduce the error, so the overall system control performance is advanced.
利用计算出来的速度反馈构成了速度闭环系统,并采用低通滤波方法减小误差,同时应用了零矢量调制控制法减小转矩脉动,提高了整个系统的控制性能。
The DC drift and initial problems of pure integrator were overcome, and the magnitude and the phase error of one-order low pass filter eliminated by using a novel integration method.
利用改进的磁通积分算法,克服了纯积分器直流漂移和初始值问题,消除了一阶低通滤波器的幅值和相位偏差。
In practice, considering the error caused by data sampling, author has made use of program judgement method which belongs to digital filter method to make error signal be within allowable scope.
在实际工作时,考虑数据采集时所引起的误差,利用数字滤波中的程序判断法以控制误差信号在允许的范围之内。
In order to satisfy the need of testing the attitude and course of INS of measurement ship, the paper proposes a new method of using the Kalmen Filter to work out the attitude and course error.
针对测量船惯导系统水平及航向精度检测需求,提出了采用卡尔曼滤波技术解算惯导水平偏差的新方法。
Simulation result shows that the presented method reduces the error of actual filter, improves the accuracy and can amend filter's parameters on-line.
仿真结果表明,两种方法结合,可以有效地防止滤波器发散,缩小实际的滤波误差,提高滤波精度,实现滤波器参数的在线改进。
But the filter method avoids the error caused by truncated data and it can achieve the analysis of a fixed percentage bandwidth easily.
采用滤波法进行功率谱分析,不存在数据截断带来的误差,还可方便地用于等百分比带宽的谱分析。
The simulation results show that the improved particle filter method can increase the accuracy and reduce the position error. The method can meet the requirements of agriculture machinery navigation.
仿真结果表明,改进后粒子滤波方法,可有效提高精度,减小导航误差,可满足农用车辆与作业机械的导航要求。
And they are often distorted. First, a low passed filter is used to smooth the contour. And a polygon approximating method based on area error is used to approximate the contour.
鉴于这种情况,我们先使用低通滤波对轮廓曲线作光顺处理,随后再采用基于面积误差的多边形逼近法对曲线作逼近处理。
And they are often distorted. First, a low passed filter is used to smooth the contour. And a polygon approximating method based on area error is used to approximate the contour.
鉴于这种情况,我们先使用低通滤波对轮廓曲线作光顺处理,随后再采用基于面积误差的多边形逼近法对曲线作逼近处理。
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