误差信号

  • 网络ERROR;Error Signal;VERROR;SP-PV
误差信号误差信号
  1. 主要可分为三部分:建立了GPS误差信号模型;

    Three parts : Firstly establishment of GPS Error signal model ;

  2. 空间激光通信APT系统误差信号的特性分析

    Research of Characteristics of Error Signal in APT System of Space Laser Communication

  3. 分析了变参数PID控制器各个参数随着误差信号的变化趋势,得到它们的关系表达式。

    Analyzed the variation trend of the Variable parameters PID governor with System error , and received their expression .

  4. DT分割中误差信号的自适应DCT编码

    Coding of the residual signal in DT based segmentation using the shape adaptive DCT

  5. 分析了DVDRAM盘片预刻槽深度与循规误差信号受径向倾斜影响偏移量的关系。实验结果较好的验证了计算和结论。

    Finally relationship between groove depth and tracking error signal offset of DVD-RAM disc is analyzed .

  6. DVD光学头伺服误差信号分析

    Analysis of DVD Optic Head Server Signal

  7. 误差信号按经典意义通常不可微,其微分信号难以利用,这就限制了经典PID控制器的使用范围。

    In addition , reference input usually is non-differential . So its error signal usually is non-differential , which limits PID controller 's use .

  8. Lyapunov稳定性分析证明了船舶路径跟踪闭环系统的所有误差信号渐近稳定。

    Based on Lyapunov stability analysis the authors proved that all error signals of vessels path following closed-loop system asymptotically stable .

  9. 本文通过建立步长因子μ与误差信号之间的非线性函数关系,提出了一种新的变步长LMS(LeastMeanSquare)算法。

    By building a nonlinear function relationship between μ and the error signal , this paper presents a novel variable step size LMS ( Least Mean Square ) adaptive filtering algorithm .

  10. 在计及发电机角速度误差信号和机端电压误差信号的目标函数基础上,PID参数用ITAE法对以变量Δω设计的控制器进行优化,改善了机端电压的品质。

    The parameters of the controller is optimized using the ITAE function and the stability of generator terminal voltage is improved .

  11. 该非线性PID算法构造了增益参数关于误差信号的非线性拟合函数,算法能够同时保证响应速度快、超调量小以及自适应能力强的系统特性。

    The nonlinear function is given by the nonlinear PID algorithm , and the algorithm can guarantee the system have the property of the fast response , a little over shot and strong self adaptive .

  12. PTT等弹性纤维的弹性回复性能比较以动力学方程为基础,分析了不等弹性和阻尼不对称产生的误差信号;

    Comparative Study on Elasticity of PTT and Other Elastic Fibers Based on the dynamic equations , the anisoelasticity and unbalanced damping are analyzed .

  13. 针对标准BP算法的平台现象,构造了一种自适应放大的误差信号,通过修改激励函数的导数,使权值的修正过程不会因饱和区域而趋于停滞,并对其收敛性进行分析证明。

    For the platform phenomenon of standard back-propagation algorithm , an adaptive magnified error signal is constructed . The derivative of the activation function is modified to make the weight adjustment avoid falling into the saturation areas .

  14. 提出了一种基于模型参考的自适应PID控制器,通过引入一自适应误差信号,根据模型参考自适应控制原理的方法,推导了PID参数整定的自适应率。

    Based on model reference adaptive control principle , a new adaptive PID controller was dis - cussed . A simple self - tuning method of PID control parameters was proposed by introducing an adaptive error signal .

  15. 分析伺服误差信号表明,采用该技术锁定微型Nd∶YVO4激光频率,其稳定度可达到10-10(1s积分时间)。

    The analysing of error signal shows that it is possible to make laser frequency stability up to 10 - 10 at 1 s average time .

  16. 在此基础上,提出了一种针对误差信号函数和学习规则进行改进的BP改进算法,该改进算法具有改动幅度小,实现相对容易的特点。

    On the base of analysis of the standard back propagation algorithm , a BP improving algorithm which adjusts the error signal function and method of training is proposed . This improving algorithm has the advantages of slightly modify and easy implement .

  17. 讨论了自由空间光通信ATP系统中位置误差信号的提取,高噪声背景下微弱光信号的检测方法以及如何选择合适的光电探测器。

    In this paper , position error signal extraction , detection method of weak optical signal under hign noise background and how to select available detector in ATP system of Free Space Optical Communication are discussed .

  18. 本文介绍了DVD播放器循迹伺服的误差信号产生,控制原理及特性要求,以实际应用为目的全面探索了循迹伺服的参数调整方法,据此使DVD播放器产品达到了商品化。

    This paper introduced the production of error signal , principle and specification of DVD player tracking servo , researched the parameters adjustment completely with the purpose application in the commercializing of DVD product .

  19. 首先分析了并联有源滤波器误差信号的特点,并指出了传统PI控制应用于并联有源滤波器的不足是积分环节的作用具有周期性。

    This paper analyses the characteristics of the control error of shunt active power filter ( APF ), and points out that the integral part of PI is periodical , which is the demerit of using conventional PI control .

  20. 为了提高LMS自适应算法的性能,在对一类变步长LMS算法研究的基础上,提出了步长因子与误差信号之间的一种新的非线性函数关系,进一步改善了此类算法的性能。

    This paper discusses about a type of algorithms of variable step-size LMS adaptive filtering and presents another new non-linear functional relationship between the step-size and the error signal , which improves the algorithm performance .

  21. 将预失真器设计转化为硬件实现,给出了误差信号产生器、多项式发生器及记忆单元和射频信号处理等关键模块的详细介绍,数字部分的功能使用FPGA(?)口DSP平台实现。

    Implement the design into hardware and give a specific introduction of the key module , such as error signal generator , polynomial generator , the memory unit and RF signal processing . The digital parts are implemented with FPGA and DSP . 4 .

  22. 在分析模糊控制和PID控制结合方式的基础上,设计了一个二维模糊PID控制算法,该算法根据误差信号是否达到阈值来决定何时在模糊控制与PID控制之间切换。

    A Fuzzy-PID controller is designed based on the combination modes of Fuzzy control , and its PID control is analyzed in the paper . The algorithms can be automatically switched between Fuzzy control and PID control according to if the error is larger than the threshold .

  23. 提出了两种检测算法:算法1利用自适应滤波器误差信号的平均幅度,并结合误差信号和自适应滤波器输出信号的互相关系数来区分DT和EPC;

    Two detection algorithms are proposed . In algorithm 1 , adaptive filter error signal 's average amplitude is combined with cross-correlation coefficient between error signal and output signal of adaptive filter to distinguish EPC from DT .

  24. 该检波器数字信号处理系统以TI公司的高性能数字信号处理芯片为核心,辅以必要的电路,实现了对加速度信号的高精度检测和误差信号的补偿。

    An advanced quality digital signal processing ( DSP ) chip equipped with necessary circuits has been used in its digital signal processing system , a high accurate detection of the acceleration signal has been achieved and the environmental interference signal has been effectively compensated .

  25. 介绍由纯硬件电路实现基于CCD摄像的视觉跟踪误差信号的提取,能实时给出精度较高的跟踪误差电压信号(侧向偏差d2走向偏差tgθ)。

    This paper discusses the realization of error signal extraction for CCD-video-camera-imaging-based visual tracking via a hardware circuit , which is capable of providing tracking error voltage signals ( lateral deviation d2 and bearing deviation th θ) to a high accuracy .

  26. RAED算法对误差信号和输入向量均采用分数阶操作。

    RAED algorithm uses fractional order operation for error signal and input vector .

  27. 从误差信号峭度的性质和误差符号(SE)算法的特点出发,提出了基于符号-最小平均峭度穴Sign-LMK雪的自适应谱线增强算法。

    Based on the characteristic of error kurtosis and sign error , a novel algorithm of sign least mean kurtosis ( Sign-LMK ) based adaptive line enhancer is proposed .

  28. 将全数字锁相环应用到OFDM系统的定时跟踪中时,有两个重要的问题需要解决,即误差信号归一化的问题和锁相环在多径衰落信道条件下容易失锁的问题。

    When all digital phase-locked loop ( PLL ) is applied in OFDM systems , two problems must be solved . The first is how to normalize the error signal , and the second is how to avoid the phenomenon of out-of-lock in multipath fading channel .

  29. 对变步长自适应滤波算法进行了讨论,提出了一种新的变步长LMS算法。新算法用误差信号的自相关及均方误差的时域平均来调节自适应滤波算法的步长。

    Based on adaptive filtering algorithm with variable step size , this paper presents a new variable-step-size LMS algorithm , which uses the estimation of the autocorrelation about error signal and time-average of mean square error to adjust the step of adaptive algorithm .

  30. 对每一类脉冲系统,基于线性矩阵不等式,给出了从连续输入信号到连续误差信号,以及从离散输入信号到离散误差信号均具有有限L2或l2增益的充分条件。

    For each class of impulsive systems , based on linear matrix inequalities , sufficient conditions for robust stability and weighted limited L2 / l2 gain are developed from continuous-time input signal to continuous-time error signal and from discrete input signal to discrete error signal .