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second order filter
相关语句
  二阶滤波
     The New Second Order Filter Network with Continuous Time Current Mode
     连续时间电流模式二阶滤波网络
短句来源
     A second order filter is used to smooth the speed reference signal,and the perfect non-overshooting speed tracking is achieved.
     采用二阶滤波环节平滑速度指令,实现了理想无超调的快速速度跟踪控制.
短句来源
  二阶滤波器
     REALIZATION OF CURRENT MODE SECOND ORDER FILTER USING CCⅡ+
     采用CCⅡ+实现电流模式二阶滤波器
短句来源
     A Novel Voltage Mode Second Order Filter Based on CCⅡ
     新颖的基于CCⅡ的电压模式二阶滤波器
短句来源
     Design of Active Low-Pass Second Order Filter
     有源低通二阶滤波器的设计
短句来源
     Design of Second Order Filter with High Input Impedance by Single CC Ⅱ
     单电流传输器高输入阻抗二阶滤波器的设计
短句来源
     A Current Mode Second Order Filter With Multifunctions
     电流模式多功能二阶滤波器
短句来源
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  “second order filter”译为未确定词的双语例句
     The simulation of random variables, second order filter and step hy step method are used to analyze the random vibration formulas.
     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。
短句来源
     It is proved that a new active filter can realize four kind of second order filter function by using a CCⅡ and seven passive element changing character of passive element in circuit(resistance, capacitance):high-pass,low-pass, band-pass,band-stop filter.
     提出仅使用一个CCⅡ器件和7 个无源元件的滤波器电路, 适当改变电路中无源元件的性质(电阻性或电容性),可以实现4 种二阶滤波功能:高通、低通、带通和带阻滤波。
短句来源
     We present the realization of current mode second order filter using CCⅡ . It will generate second order low pass,high pass,band pass,notch and all pass filtering functions at the z terminate through the connection of different N and single current conveyor(CCⅡ).
     提出了用单 CC 实现电流模式双二阶滤波器 ,通过将不同的网络 N与单 CC 连接 ,即能在电流传送器的输出端实现二阶低通、高通、带通、陷波和全通滤波函数 .
短句来源
     The PSPICE simulation frequency responses of the second order filter are also given.
     文章还给出了相应的 PSPICE仿真的频响结果
短句来源
     The PSPICE simulation's frequency responses of the second order filter are also given.
     还给出了相应的PSPICE仿真的频响结果。
短句来源
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  second order filter
As a design example, we have considered an ultra-low power second order filter working in audio frequency range, for hearing aids application, and using subthreshold MOS devices.
      
The second order filter control consists of a power MOSFET bridge circuit that is capable of driving the filter motor in either polarity.
      
The biquad is the second order filter structure and higher order filters can be built by cascading it.
      
The control force for the bending mode, ubi, is given by the following second order filter.
      
To achieve better selectivity, we designed and fabricated a 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....

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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