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lowpass filters
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  低通滤波器
     The 6 order and 4 order Butterworth analog filters were transformed to digital high pass and low pass filters which were effectively realized by Apple-Ⅱ and MCS-51 series of microcomputer systems.
     以6阶和4阶Butterworth模拟滤波器变换为数字高通及低通滤波器,并在Apple—Ⅱ和MCS—51系列微机上得以实现。
短句来源
     Design and Simulation for Switched Capacitor Elliptic Low Pass Filters
     开关电容椭圆低通滤波器的设计与仿真
短句来源
     A Study about Influence of High and Low Pass Filters onDetecting Effect of Harmonics Detection Circuits
     高通和低通滤波器对谐波检测电路检测效果的影响研究
短句来源
     THE OPERATOR METHOD USED IN DESIGNING FIR LOW PASS FILTERS
     FIR 低通滤波器设计中的算子方法
短句来源
     The addition of low pass filters in backstepping design procedure allows the dynamic surface control method to be implemented without differentiating any model nonlinearities,which simplifies the design.
     由于在逆推设计过程中加入了低通滤波器使得该方法不用对模型非线性进行多次微分,因而设计方法简化。
短句来源
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  “lowpass filters”译为未确定词的双语例句
     Its passband frequencies ranged from 500 to 1000Hz and the critical stopband frequencies for high pass and low pass filters were 300 and 2000Hz, respectively. The decay of amplitude was lower than -25dB in stopband.
     数字滤波器通带频率500~1000Hz,其高通和低通阻带截止频率分别为300和2000Hz,阻带衰减大于25dB。
短句来源
     Circuit design of Chebyshev low pass filters realized by MAX293
     用MAX293实现切比雪夫低通滤波的电路设计
短句来源
     By using the method, we obtain highpass, bandpass and lowpass filters of all polar points and zeros of finite numbers.
     利用这种方法,我们得到了包括全极点和有限零点的高通、带通和低通梯型滤波器.
短句来源
     The transfer fuctions are decomposed into two lowpass filters which are synthesized with the OTA blocks in serial.
     该方法先分解传输函数为两个低通函数,然后用基于OTA的基本模块以级联方式实现低通函数。
短句来源
     A novel mixed mode filter based on a single operational transconductance amplifier(OTA)is presented in the paper By using this device, first order lowpass filters, first order highpass filters, second order lowpass filters and bandpass filters can be realized Each of these filters is constructed by only one OTA and 3~4 RC elements The sensitivities of these filters are analyzed Finally, results from experiments are given
     提出了一种新颖的单运算跨导放大器(OTA)的混合模式滤波器电路。 由该电路可实现一阶低通、一阶高通、二阶低通及二阶带通滤波器,所有滤波器仅由一个OTA及3~4个RC元件构成。
短句来源
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  相似匹配句对
     CAD of the Highpass and Lowpass Filters
     高低通滤波器的机助设计
短句来源
     Analysis and Design of Bandstop and Lowpass Microtrip Filters
     带阻及低通微带滤波器的分析与设计
短句来源
     Selection of Filters
     过滤器的选择
短句来源
     Wavelet filters
     小波滤波器组
短句来源
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  lowpass filters
These components include microstrip/suspended stripline and finline lowpass filters, capacitive-gap and inductive-iris-coupled bandpass filters, spurline bandstop filters, and finline diplexers.
      
Widebandpass filters have been fabricated using a combination of highpass and lowpass filters.
      
Third-order Chebychev and elliptic lowpass filters are described in this paper.
      
The major components are: a quadrature direct digital synthesizer, digital-to-analog converters and lowpass filters.
      
The channel filtering is realized by two identical 4th Order Butterworth lowpass filters built with the gm-C technique.
      
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A technique used to design infinite impulse response (IIR) digital filters from the squared magnitude function of a normal analog lowpass filter is presented in this paper. This technique has the following outstanding advantages: 1) Using this technigue, the minimum phase digital filter Can be obtained. 2) The technique has great flexibility of design. 3) It is simple in the designing step and convenient in the use. Using this technique, the author has designed ten digital filters, the...

A technique used to design infinite impulse response (IIR) digital filters from the squared magnitude function of a normal analog lowpass filter is presented in this paper. This technique has the following outstanding advantages: 1) Using this technigue, the minimum phase digital filter Can be obtained. 2) The technique has great flexibility of design. 3) It is simple in the designing step and convenient in the use. Using this technique, the author has designed ten digital filters, the ideal results have been obtained in all of these designs.

本文提出了一种从模拟低通原型滤波器的振幅平方函数设计“无限脉冲响应(IIR)”数字滤波器的方法.此方法具有如下突出优点:1.能获得最小相位数字滤波器;2.此方法具有很大的灵活性.滤波器设计人员可根据实际需要,既能方便地设计出其振幅响应与原参考模拟滤波器振幅响应十分拟合的数字滤波器,也能方便地设计出其振幅响应与原参考模拟滤波器只在通带拟合,而在过渡带和阻带则较之原参考模拟滤波器衰减快得多的数字滤波器;3.此方法能从模拟低通原型滤波器直接设计出相应类型的任何低通、高通、带通和带阻数字滤波器,而不需中间转换步骤,因而设计步骤简单,使用方便.作者用此方法设计了十个数字滤波器,全都获得了理想的结果,从而证明了文中提出的方法是正确的,令人满意的!

The fundamental principles and basic methods for the implementation of digital filters in software are summarized in this paper.Analysis and comparission between some elementary methods are made in detail, particularly emphasize on the description ofthe so-called "look-up table" implemention method by using machinelanguage. The circuit and program arc used for implemention a six-order recursive digital lowpass filter with a TP801 microprocessor, and the experiment results are also worked out in this...

The fundamental principles and basic methods for the implementation of digital filters in software are summarized in this paper.Analysis and comparission between some elementary methods are made in detail, particularly emphasize on the description ofthe so-called "look-up table" implemention method by using machinelanguage. The circuit and program arc used for implemention a six-order recursive digital lowpass filter with a TP801 microprocessor, and the experiment results are also worked out in this paper.

本文对数字滤波器软件实现的一般原理和基本方法进行了综述。对几种基本方法给予了详细的分析和比校。其中着重论述了使用机器语言的所谓“查表”实现方法。并给出了利用TP801微处理机实现一个六阶递归式数字低通滤波器的电路、程序和实验结果。

The transversal structure for DM digital filters based on digital differential analyzer (DDA) techniques is examined in detail. The formalas for performances of this structure are derived and compared with those of conventional digital filters. Finally, the results for a specific lowpass filter design example are presented. All results above are verified by extensive computer simulations.

本文详细考察了用数字微分分析器(DDA)构成的增量调制数字横向滤波器结构,导出了该滤波器性能的计算公式,并与常规数字滤波器进行了比较。最后,给出了对于一特殊低通滤波器设计的例子。上述结果皆为广泛的计算机模拟所证实。

 
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