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。
An example of extreme narrow band low pass filter is also given in detail.
给出了极窄带滤波器的具体实现方案。
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。
A pre-amp component, such as a band-pass filter (32), causes linear distortion.
放大器前的部件，诸如带通滤波器(32)，引起线性失真。
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。
Active band-pass filter is a important section of pulse width modulated rebalance loop.
有源带通滤波器是脉冲调宽再平衡回路的一个重要部分。
Thesis also discusses the temperature stability of DWDM thin film narrow band-pass filter.
论文还讨论了波分复用滤光片的温度稳定性问题。
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。
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 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。
RC low-pass circuit is the simplest low-pass filter, commonly known as passive low-pass filter.
RC低通电路是最简单的低通滤波器，一般称为无源低通滤波器。
In the paper, we also discuss the temperature stability of DWDM thin film narrow band-pass filter.
论文还讨论了波分复用滤光片的温度稳定性问题。
A method of signal condition that achieves programmable gain and low pass filter in data acquisition.
一种用于数据采集的程控信号调理方法，在单片机控制下实现程控增益、程控低通滤波。
According to the need of precision, 5 cascaded low pass filter approaching the analog Gaussian low pass filter.
根据精度要求，模拟高斯低通滤波器采用5阶低通滤波器来进行逼近。
Simulating low pass filter is adopted to reduce the spectrum alias and improve the speed of harmonic measurement.
采用模拟低通滤波器降低频谱混叠，提高谐波检测的实时性。
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。
Studies the resonator frequency temperature characteristic, then designs the middle-frequency tracking band pass filter.
研究了谐振子频率的温度特性并设计了频率跟踪带通滤波器。
This article has designed an elliptic low pass filter for the generation of base band signals in a wideband chirp source.
对宽带线性调频源中基带信号产生时所用的低通滤波器进行了设计。
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。
This paper lays emphasis on the designing of four-step band pass filter, and gives the details of design method and debug process.
重点介绍了四阶带通滤波器的设计方法，并给出设计思路和调试方法。
To reduce the construction size of narrow band pass filter, it is needed to look for the coating materials with high refractive index.
为了简化窄带光学滤波器的结构，需要寻求更高折射率的膜层材料。
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 uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector.
通过与大华无线电厂合作，研制了超高频传感器，其主要由天线、超高频放大器、高通滤波器、宽带检波器等组成。
A damping circuit is a type of low pass filter that reduces the electrometer's ac response so the low DC current can be measured accurately.
该衰减电路是一种降低静电计交流响应的低通滤波器，使我们可以准确地进行直流弱电流的测量。
A current mode high pass filter based on a differential circuit having simple and leap frog structure with excellent performance is proposed.
给出了一种结构简单、性能优良的微分电路，并提出了用该电路实现的电流模式跳耦结构高通滤波器。
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。
Based on the characteristic of the Wide-beam ultrasonic flowmeter, automatic gain control amplifier and the tracking band-pass filter are devised.
并根据宽波束超声波流量计的特点重点进行了自动增益控制放大器和跟踪带通滤波器的设计。
Based on the characteristic of the Wide-beam ultrasonic flowmeter, automatic gain control amplifier and the tracking band-pass filter are devised.
并根据宽波束超声波流量计的特点重点进行了自动增益控制放大器和跟踪带通滤波器的设计。
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