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second-order filter
相关语句
  二阶滤波器
     Realization of a single-input and two- output second-order filter based on single CCII+
     基于单个CCII+实现的单输入二输出二阶滤波器
短句来源
     Multi-function current-mode second-order filter using single MOCCII
     单MOCCII多功能电流模式二阶滤波器
短句来源
     Synthesis of RC Active Second-Order Filter with Single Capacitor
     单电容有源RC二阶滤波器的综合
短句来源
     the result of this study shows that the filtering properties of the EKF are almost the same as those of the given second-order filter.
     结果表明,EKF和二阶滤波器相比,滤波性能基本相同。
短句来源
     Realization of Universal Active Current-Mode Second-Order Filter
     通用有源电流模式二阶滤波器实现
短句来源
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  二阶滤波
     Combining these networks with these topologies, 62 types of RC active second-order filter can be composited, 54 types of these circuits have not yet been published.
     将这些网络和拓扑相结合,能产生62个二阶滤波电路,其中的54个未见报导。
短句来源
     A nonlinear speed controller for permanent magnet synchronous motor based on adaptive backstepping control was designed, which uses second-order filter to smooth the speed reference.
     设计了一种基于自适应反步控制的永磁同步电动机非线性速度控制器,采用二阶滤波环节平滑速度指令。
短句来源
  “second-order filter”译为未确定词的双语例句
     The realization of acurrent-mode second-order filter using CCⅡ_+ is presented. The filter can generate second-order low-pass,high-pass,band-pass,filtering functions by using triple input single output(TISO) structure and low power CMOS CCⅡ_+.
     提出了用单个CCⅡ+实现电流模式双二阶滤波器,采用三输入单输出(TISO)结构,滤波器的有源部分用低电源低功耗的CMOS CCⅡ+实现。
短句来源
     Truncated Second-order Filter in Open Channel Flow Estimation
     用舍位二阶滤波计算明渠水流
短句来源
     THE IMPLEMENT OF A SECOND-ORDER FILTER WITH THE FEWEST OTA COMPONENTS
     最少元件二阶OTA滤波电路的设计
短句来源
     Furthermore, continuing the study of second-order feedback filter, we proposed a new intelligent method online tune the parameters of the second-order filter to treat by using the system error and the change rate of system error and compared itsperformance with that of the first-order-filter.
     接着对二阶形式的反馈滤波器的研究进一步深化,提出利用系统误差和误差变化率在线智能分段调节参数的方法来在线调节二阶反馈滤波器的参数,并与已有的智能型一阶反馈滤波器的调节方法进行比较,最后通过仿真对研究结果进行了验证。
短句来源
     Second-order filter sections are regarded as building blocks for various active and passive filters [4], and a Biquad Circuit with two energy-storage components can realize any 2nd-order filter [5]. The traditional design of this Biquad Circuit is to synthesize the network function from circuit com- ponents such as R, L, C, T, Op et al. in the complex number region.
     仅含两个储能元件的双二阶电路(Biquad Circuits)足以实现各种滤波器[5],本文把它们归纳为L—R—C、C—R—C及L—R—L三类,从降低敏感度S_x~p出发,使用四端口线性电阻网络G的直流参数对其进行了分析、设计。
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  second-order filter
We study self-modulation oscillations of a phase-locked loop with the second-order filter.
      
Self-modulation regimes of a phase-locked loop with the second-order filter
      
We study the dynamical regimes of a phase-locked loop with the second-order filter in the control circuit.
      
Nonlinear dynamics of phase-locked loop with the second-order filter
      
We study the dynamic regimes of a phase/frequency-locked loop with second-order filter.
      
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In this paper, using the theory of random vibration to analyze the lateral vibration of truss bridges under moving loads is studied. As to middle span (L<100m) truss bridges, the truss structure is regarded to be composed of hinged three dimensional panel elements, having five displacement parameters at the joints. The freight cars fitted with bogies and nonlinear spring systems are used in the analysis, and the irregularities of track (including the gage and elevation differences between two rails and lateral...

In this paper, using the theory of random vibration to analyze the lateral vibration of truss bridges under moving loads is studied. As to middle span (L<100m) truss bridges, the truss structure is regarded to be composed of hinged three dimensional panel elements, having five displacement parameters at the joints. The freight cars fitted with bogies and nonlinear spring systems are used in the analysis, and the irregularities of track (including the gage and elevation differences between two rails and lateral deviation of the center line) as well as the snake action between the wheels and rails are considered also. The simulation of random variables, second order filter and step hy step method are used to analyze the random vibration formulas. It is seen that the snake action is the main cause of lateral vibration while the irregularities of track is the minor cause. In the case of middle span bridges, the amplitude of lateral vibration increases with the increase of freight car velocity. The resu lts of analysis agree fairly well with the field test dats.

本文是应用随机振动理论分析桁架桥在列车通过时的横向振动。以中等跨度(L<100m)桁架桥为对象,桁架结构采用铰结空间节间单元,每一单元在节点处有五个变位自由度。车辆是采用有摇枕的非线性弹簧体系货车车厢。在计算中,考虑了轨道不平顺(包括轨距偏差、左右轨高程偏差及轨道中心横向偏差)以及轮轨间蛇行这两个引起横向振动的因素。采用模拟随机变量、两次滤波以及逐次推进法解随机振动方程。根据计算结果表明,蛇行是引起横向振动的主要因素,轨道不平顺则是次要的。对于中等跨度的桥梁,横向振动振幅将随着车速的增加而增大。计算结果与实测成果基本相符。

Second-order filter sections are regarded as building blocks for various active and passive filters [4], and a Biquad Circuit with two energy-storage components can realize any 2nd-order filter [5]. The traditional design of this Biquad Circuit is to synthesize the network function from circuit com- ponents such as R, L, C, T, Op et al. in the complex number region. In this paper, Biquad Circuits are classified as three categories: L-R-C, C-R-C and L-R-L. By using 7 D. C. four-port parameters...

Second-order filter sections are regarded as building blocks for various active and passive filters [4], and a Biquad Circuit with two energy-storage components can realize any 2nd-order filter [5]. The traditional design of this Biquad Circuit is to synthesize the network function from circuit com- ponents such as R, L, C, T, Op et al. in the complex number region. In this paper, Biquad Circuits are classified as three categories: L-R-C, C-R-C and L-R-L. By using 7 D. C. four-port parameters of linear and resistive four-port network G, the synthesis of the three categories of Biquad Circuits is converted into that of G, which is in real number region, simplifying the design. The sensitivity S_ω~p in a filter, especially in an active filter, is an impor- tant index. As mentioned in [1] and [2], the S_ω~p in Biquad Circuits is rela- tively small, but little has been reported about systematic design methods. In this paper, it is shown that the condition for minimum sensitivity is to make equal the two equivalent time-constants, τ_2 and τ_s, which are easy to com- pute and express with four-port parameters. The obtained design formulae for high-pass, low-pass, band-pass, band-stop and all-pass filters are not only optimum about ω and Q, but free from the difficulties involved in exploring widely for optimum. The method can also be used for analysis of certain four-port "Black Boxes" .

仅含两个储能元件的双二阶电路(Biquad Circuits)足以实现各种滤波器[5],本文把它们归纳为L—R—C、C—R—C及L—R—L三类,从降低敏感度S_x~p出发,使用四端口线性电阻网络G的直流参数对其进行了分析、设计。研究结果表明:传递函数H(S)和敏感度S_x~p可用G的7个直流四端口参数准确表示,同时把对H(s)的设计转化成对G的设计,而后者十分容易;当网络的两个等效时间常数相等时,S_x~p取得最小值。文中给出了高通、低通、带通、带阻及全通滤波器的最低敏感度设计公式、步骤,这不但是关于ω、Q的一种最优设计,还免除了广泛寻优的麻烦。此外,这种四端口法还可用于某些四端口“黑箱”的分析之中。

A new type of DM digital recursive filter which is implemented with improved DDA integrators and DDA sealers is presented. The first and second order filters implemented with DDA devices with second order residue retention and their cascading are discussed. Finally, the results are compared with those of the DM digital recursive filters with other structures. All results are verified by computer simulation.

本文提出一种新型增量调制(DM)递归数字滤波器,它采用改进的DDA积分器和DDA比例器实现。讨论了用二阶余数保留的DDA器件实现的一阶、二阶滤波器及其级联的情况,分析了各种情况的性能,并同其它结构递归型数字滤波器的性能作了比较。本文结果均由计算机模拟所证实。

 
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