This paper introduces the basic methods for designing the low-pass filter, taking Butterworth filter as an example.
文章以巴特沃思滤波器为例介绍低通滤波器的基本设计方法。
The experimental results show the algorithm is robust against common audio signal processing such as MP3 audio compression, low-pass filtering, etc.
实验表明本算法对通常的音频信号处理，如MP3音频压缩、低通滤波等具有较好的稳健性。
The modulator output is processed by a series of low-pass filters.
调制器输出由一系列低通滤波器处理。
Removing high frequency noise pulses by a low-pass filter and Schmitt-trigger.
用一低通滤波器和施密特触发器排除高频噪声脉冲。
This initial demodulator incorporates a digital mixer, DDFS and low-pass filter.
该解调器由数字混频器、数字频率合成器(DDFS)和低通滤波器构成。
The key of active power filter harmonic detection is the design of digital low-pass filter.
有源电力滤波器谐波检测中数字低通滤波器的设计是关键。
A novel method which combines fuzzy control with low-pass filter compensation was proposed.
提出了一种模糊控制和低通滤波器补偿相结合的控制方法。
A novel low-pass filter using defected microstrip structure (DMS) is proposed in this paper.
基于缺陷微带结构(DMS)提出了一种新颖的低通滤波器。
The one-step extrapolation procedure for low-pass signal was extended to the band-pass case.
拓展了带限信号一步外推算法，使之能够适用于带通信号的情况。
Multirate filter bands can be realized by cosine modulation of a linear-phase low-pass prototype filter.
多采样率滤波器组可以通过对线性相位低通原型滤波器进行余弦调制来实现。
This paper is to research and design the low-pass filter of the MEMS capacitive accelerometer sensor readout circuit.
本文研究设计了适于MEMS电容加速度传感器读出电路的低通滤波器。
The picture elements across a line are converted to the video signal and low-pass filtered with an electrical filter .
沿着一条直线的图象象素被转换成视频信号，然后由一个电子滤波器进行低通滤波。
Meanwhile, by polyphase factorization, it was proved that the low-pass filter satisfies perfect reconstruction condition.
同时借助多相位分解，证明了多通道低通滤波器满足完全重构条件。
On the other hand, due to the low-pass filters fixed, these algorithms fail to utilize the information of the image itself.
另外，由于内插滤波器是确定的，因而这些插值算法就缺乏利用图像本身信息的机制。
The modulator output is processed by a series of low-pass filters, the final one having default or user programmable coefficients.
调制器输出由一系列低通滤波器处理，最后一个滤波器具有默认的或用户可编程系数。
For the feature of the liver B-ultrasound image, we adopt the Gaussian low-pass filter and contrast-stretching transformation methods.
针对肝脏B超声图像的特点，本文在对图像进行预处理时采用了高斯低通滤波与灰度拉伸相结合的技术。
A method of implementing adaptive enhancement of variance on an image by a recursive low-pass filter is introduced mainly in this paper.
介绍了用递归低通滤波器方法来实现图象的方差自适应增强。
This paper presents a new fully integrated MOSFET-C current mode sixth-order low-pass filter with precise continuous time balanced structure.
本文提出了以运算放大器为基础的一种新型电流模式MOSFET-C全集成精确连续时间平衡结构六阶低通滤波器电路。
As an example, a 5th order elliptic low-pass filter with floating inductances is given. Experimental results are in good agreement with theory.
作为例子，本文给出了一个具有浮地电感的5阶椭圆低通滤波器，实验结果与理论相符。
For a low-pass filter, signals much longer than the time constant pass through unaltered while signals shorter than the time constant are filtered out.
对于低通滤波器，比时间常数更长的信号将会保持不变地通过，而比时间常数短的信号将会被滤掉。
In practical OFDM systems, virtual subcarriers are usually used to avoid the transmitted data being distorted by the low-pass filter on the transmitter side.
实际的OFDM系统通常会使用虚拟子载波，以此来避免发送信号受到发送端成形低通滤波器的影响。
The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.
磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。
Since the Rubidium clock drifts very slowly, an alternative navigation algorithm was designed for Rubidium clock constrained GPS using the adaptive low-pass filter.
由于铷钟的漂移非常缓慢，基于自适应低通滤波器，设计了一种导航算法用于铷钟约束的GPS。
Two examples that are IIR notch filter and IIR low-pass filter are given, the stability of filters and the effects of quantification of coefficient are also analyzed.
本文给出了IIR陷波滤波器和低通滤波器两个设计实例，对设计的滤波器都进行了稳定性分析和系数量化影响分析；
The traditional low-pass filter method can restrain the high frequency part and decrease noise but may destroy image detail, and other methods also have other defects.
传统的低通滤波方法将图像的高频部分滤除，虽然能达到降低噪声的效果，但会破坏图像的细节。
With this technique, the digital image convolution can be realized, therefore, the image low-pass filtering, image high-pass filtering, edge-enhancing could be realized.
采用这种技术，可以实现数字图像卷积运算，因此可以完成图像的低通滤波、高通滤波、强化边缘等处理。
More preferably is, that the means for realizing are arranged as a filter unit, selected from the group comprising low-pass filter units, coupled to the IGBT-based switch.
更优选的是，该实现装置被设置为滤波器单元，其选自包括低通滤波器单元的组，并且耦合到基于IGBT的开关。
Based on Legendre multinomial, a new kind of low-pass filter prototype is designed out after analyzing the design rule and inefficiency of some classical filter prototypes.
分析了几种经典的滤波器原型设计原理及其自身不足，基于勒让德多项式，给出了一种新的低通滤波器设计原型。
Furthermore, the effect of Combinatorial Nonperiodic Defected Ground structure (CNPDGS) on the characteristic of the low-pass filter formed by the CNPDGS structure is studied.
分析了在原有的低通滤波器的基础上加入了非周期缺陷接地结构后对滤波特性的影响。
Furthermore, the effect of Combinatorial Nonperiodic Defected Ground structure (CNPDGS) on the characteristic of the low-pass filter formed by the CNPDGS structure is studied.
分析了在原有的低通滤波器的基础上加入了非周期缺陷接地结构后对滤波特性的影响。
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