A cheap builtin audio chip is likely to have some sort of low pass filter in its amp to avoid smoking itself though.
一个廉价的内置音频芯片可能有某种在放大器的低通滤波器,避免吸烟本身虽然。
The author's solution to this problem is to use a tuneable RF preamplifier which also acts as a low pass filter when tuning the low end of the 88-108 MHz band where most of the exotic channels lie.
作者的解决这个问题是使用可调谐射频前置放大器这也渠道作为一个低通滤波器调谐88-108兆赫时,低端的带异国情调的地方大部分的谎言。
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 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。
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 simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.
结果表明,低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。
Analog synthesis often use low-pass filter to remove electronic audio generator generated by high-frequency noise.
模拟合成器常常使用低通滤波器来去除电子音频发生器所产生的高频噪声。
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。
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。
If input sigmal is supwrimpsed with high-frequency noise use a low-pass filter in the input signal line.
若输入信号伴随高频干扰,应在线里用高频过滤器。
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。
It introduces the overall design of the system in chapter two, formed mostly with precondition of pulse, enlarge signal, Low-Pass Filter, AD Conversion, Serial Communication, waveform showing etc.
第二章介绍了系统的总体设计方案,它主要由脉搏信号预处理、信号放大、低通滤波、AD转换、串行通信、波形显示等几部分组成。
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。
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;
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。
Meanwhile the vortex shift waveform is obtained from the estimated mean frequency waveform using a suitable low-pass filter. Then the vortex shedding frequency and amplitude can be calculated.
用合适的滤波器可以从估计出的平均频率曲线中得到涡流的波形,并且计算表征涡流的涡流经过频率和幅度特征参数。
The algorithm adopts low pass filter to estimate the background and calculates the standard deviation to estimate the fluctuation of background to get the local adaptive detection threshold.
该算法以低通滤波算法估计背景中的低频成分,及图像局部方差估计背景起伏,来计算出局部自适应的目标检测判决门限。
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。
In the structured system, signals are proceeded by low-pass filter, Fourier Trans form, range analyzing and expert system based on Neural Network.
运用数字滤波、傅立叶变换,以及幅值分析和基于神经网络的专家系统等方法对信号进行监测和诊断。
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。
The DC drift and initial problems of pure integrator were overcome, and the magnitude and the phase error of one-order low pass filter eliminated by using a novel integration method.
利用改进的磁通积分算法,克服了纯积分器直流漂移和初始值问题,消除了一阶低通滤波器的幅值和相位偏差。
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。
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。
This paper makes to level with the Numbers' translation theory, since know that ideal digital low pass filter directly gets method and the principle of needed digital system.
本文提出用数字平移理论,从己知理想数字低通的系统直接得到所需数字系统的原理和方法。
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。
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。
To provide intelligent instruments with the cheap interface of the standard current sign, the RC low pass filter is used for producing a voltage signal which is proportion to PWM's duty rate from PWM.
为了给智能仪表提供廉价标准电流信号输出接口,可以使用RC低通滤波器,从PWM中分离出与占空比成正比的线性直流电压信号。
All control circuits are integrated (including power MOS) in the IC except the output low-pass filter, two optional operation modes: PWM and PFM are available.
该IC集成了除输出低通滤波器的所有控制电路(包括功率MOS),提供PWM和PF M两种模式供选择。
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。
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。
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